Elektronikus összetevők

Features: 
The onboard two set power supply interface VCC5 5V power supply, VCC4 interface, 3.5--4.5V power supply, optional power on self starting (default) and control start.
The onboard SMA (default) and IPXmini antenna interface, SIM900A interface reserved reset.
The size of the module is 49*50, all the new and original device.
The computer can give early computer debugging USB module power supply, a very large amount of data under the condition of the recommended current more than 1A. Standby dozens of MA data can be set to provide dormancy, dormancy of 10MA low power. Support 2, mobile phone 3,4G card.
The serial port circuit: support for 3.3V single chip microcomputer. TTL serial port support
3.3 and 5V single chip microcomputer.
The SIM card circuit to increase the SMF05C ESD chip.
Antenna circuit: guarantee short and straight, so as to ensure the signal strength.
PCB display screen printing mark: each interface, convenient development two times, the SIM900/A hardware is completely follow the design when the design manual.
Two power supply interface: VCC5, 5V DC above 1A. Computer 5V power supply can be early computer USB. DC long data circuit over larger recommended 5V1A. VCC4, 3.5--4.5V power supply, ibid., suitable for lithium battery.
Control pin all leads.
A TTL level, compatible with 3.3V and 5V.
The two antenna interface, the default SMA straight head, connector for IPXmini antenna.
One way of speech interface, the way Mike interface.
The control interface of each pin description:
GND - GND
SIMR SIM900A RXD, TTL level, can not be directly connected to the 232 level
SIMT SIM900A TXD, TTL level, can not be directly connected to the 232 level
RST - SIM900A reset, active low
VCC_MCU when the SIM900A module and 5V TTL level communication, this pin is connected to DC 5V; when the level of communication of SIM900A and 3.3V TTL, this pin is connected to DC 3.3V.
VCC5----DC 5V input.
VCC4------DC3.5--4.5 input
 
Onboard Resources:
Serial port circuit(with protection)
Antenna interface circuit(SMA bend female port)
SIM card circuit(flip SIM slot)
4*3.5 fixture hole 4pcs
SIM900A serial port output terminal
 
Specifications:
Size:49mm x 47mm
Net Weight:28g
Weight: 38g 
 
Package Included:
1 x SIM900A V4.0 kit
1x Power Cable
1x Antenna
Before you use the RS232 level interface,please connect the four pins as the shown below.
 
You can connect the sim900 moule with the PC using a USB—RS232moudule as shown below.
You can connect the sim900 module with the PC using a USB—TTL moudule as shown below.
Plese notice that the power supply voltage should be 3.7-4.2V and it can provide 2A or more
 
 
 
 
 
 

Features: 
The onboard two set power supply interface VCC5 5V power supply, VCC4 interface, 3.5--4.5V power supply, optional power on self starting (default) and control start.
The onboard SMA (default) and IPXmini antenna interface, SIM900A interface reserved reset.
The size of the module is 49*50, all the new and original device.
The computer can give early computer debugging USB module power supply, a very large amount of data under the condition of the recommended current more than 1A. Standby dozens of MA data can be set to provide dormancy, dormancy of 10MA low power. Support 2, mobile phone 3,4G card.
The serial port circuit: support for 3.3V single chip microcomputer. TTL serial port support
3.3 and 5V single chip microcomputer.
The SIM card circuit to increase the SMF05C ESD chip.
Antenna circuit: guarantee short and straight, so as to ensure the signal strength.
PCB display screen printing mark: each interface, convenient development two times, the SIM900/A hardware is completely follow the design when the design manual.
Two power supply interface: VCC5, 5V DC above 1A. Computer 5V power supply can be early computer USB. DC long data circuit over larger recommended 5V1A. VCC4, 3.5--4.5V power supply, ibid., suitable for lithium battery.
Control pin all leads.
A TTL level, compatible with 3.3V and 5V.
The two antenna interface, the default SMA straight head, connector for IPXmini antenna.
One way of speech interface, the way Mike interface.
The control interface of each pin description:
GND - GND
SIMR SIM900A RXD, TTL level, can not be directly connected to the 232 level
SIMT SIM900A TXD, TTL level, can not be directly connected to the 232 level
RST - SIM900A reset, active low
VCC_MCU when the SIM900A module and 5V TTL level communication, this pin is connected to DC 5V; when the level of communication of SIM900A and 3.3V TTL, this pin is connected to DC 3.3V.
VCC5----DC 5V input.
VCC4------DC3.5--4.5 input
 
Onboard Resources:
Serial port circuit(with protection)
Antenna interface circuit(SMA bend female port)
SIM card circuit(flip SIM slot)
4*3.5 fixture hole 4pcs
SIM900A serial port output terminal
 
Specifications:
Size:49mm x 47mm
Net Weight:28g
Weight: 38g 
 
Package Included:
1 x SIM900A V4.0 kit
1x Power Cable
1x Antenna
Before you use the RS232 level interface,please connect the four pins as the shown below.
 
You can connect the sim900 moule with the PC using a USB—RS232moudule as shown below.
You can connect the sim900 module with the PC using a USB—TTL moudule as shown below.
Plese notice that the power supply voltage should be 3.7-4.2V and it can provide 2A or more
 
 
 
 
 
 

TXD: serial port, 3.3V TTL level.
 
RXD: serial receiver, 3.3V TTL level.
 
CTS: serial flow control is not supported.
 
RTS: serial flow control is not supported.
 
DC: simulation, burn the clock pin.
 
DD: simulation, data burning feet.
 
RST: Reset pin module requires low level of not less than 5ms be reset.
 
VCC: module power pins require 3.3V DC power supply current is not less than 100mA.
 
GND: Module common ground.
 
LED: module indicator output pin, high output, when connected in series with a resistor LED.
 
      Connection ago
 
      Host unrecorded machine address from light per 100ms;
 
      When the machine address from the host record, bright 900ms per second;
 
      Slave bright one second every two seconds.
 
      After connection, LED lit.
 
KEY: input pin, internal pull-down. The feet high, clear the record for the host address from the machine.
 
PIO: extension, used to set the module master-slave mode, the default internal pull-up resistor from the machine; 1K external pull-down resistor connected to the ground, as the host.
 
 
 
Currently only supports 9600bps communication, does not support the AT commands. Host, when the machine passthrough traffic from, there must be a certain time interval between packets. For example, the packet length is 500 bytes, then the transmission time interval between packets can be set to no less than 600ms. Otherwise, you might lose data.
 
 

Descarga de datos:Http://pan.baidu.com/s/1nvBSoT7
Descripción general del producto:
La nueva serie de sensores de temperatura y humedad SHT3X lleva la tecnología de sensores a un nuevo nivel. La serie SHT3X incluye la versión SHT30 de bajo costo, la versión estándar SHT31, la interfaz I2C y un amplio rango de voltaje de trabajo (2,4-5,5 v).
Parámetros técnicos:
1. Rango de medición de humedad: 0 ~ 100% RH
2. Precisión de la medición de la humedad: SHT30 ± 3% RH; SHT31 / - 2% RH; SHT35 / - 1.5% RH;
3. Rango de temperatura: -40 ~ 125 °
4. Precisión de la medición de la temperatura: SHT30, SHT31 ± 0,3 °, SHT35 ± 0,2 °
5. Voltaje de funcionamiento: 2,4 ~ 5,5vdc (amplio voltaje)
6. Salida de interfaz I2C
7. Tamaño: 17MM * 12MM
Imagen del producto:

Descarga de datos:Http://pan.baidu.com/s/1nvBSoT7
Descripción general del producto:
La nueva serie de sensores de temperatura y humedad SHT3X lleva la tecnología de sensores a un nuevo nivel. La serie SHT3X incluye la versión SHT30 de bajo costo, la versión estándar SHT31, la interfaz I2C y un amplio rango de voltaje de trabajo (2,4-5,5 v).
Parámetros técnicos:
1. Rango de medición de humedad: 0 ~ 100% RH
2. Precisión de la medición de la humedad: SHT30 ± 3% RH; SHT31 / - 2% RH; SHT35 / - 1.5% RH;
3. Rango de temperatura: -40 ~ 125 °
4. Precisión de la medición de la temperatura: SHT30, SHT31 ± 0,3 °, SHT35 ± 0,2 °
5. Voltaje de funcionamiento: 2,4 ~ 5,5vdc (amplio voltaje)
6. Salida de interfaz I2C
7. Tamaño: 17MM * 12MM
Imagen del producto:

Descarga de datos:Http://pan.baidu.com/s/1nvBSoT7
Descripción general del producto:
La nueva serie de sensores de temperatura y humedad SHT3X lleva la tecnología de sensores a un nuevo nivel. La serie SHT3X incluye la versión SHT30 de bajo costo, la versión estándar SHT31, la interfaz I2C y un amplio rango de voltaje de trabajo (2,4-5,5 v).
Parámetros técnicos:
1. Rango de medición de humedad: 0 ~ 100% RH
2. Precisión de la medición de la humedad: SHT30 ± 3% RH; SHT31 / - 2% RH; SHT35 / - 1.5% RH;
3. Rango de temperatura: -40 ~ 125 °
4. Precisión de la medición de la temperatura: SHT30, SHT31 ± 0,3 °, SHT35 ± 0,2 °
5. Voltaje de funcionamiento: 2,4 ~ 5,5vdc (amplio voltaje)
6. Salida de interfaz I2C
7. Tamaño: 17MM * 12MM
Imagen del producto:

 
New TB6612FNG WeMos D1 mini I2C Dual Motor Driver Shield Driver Module
 
 

 
 
 
 
 
 
 
 
100% brand new and high quality
Quantity:1pc
Weight:18 g
Color: as picture show
Max input 18V ,to measure Max current 90A .achieve control board monitor to the battery power and voltage.
The APM 2.5 Power Module is a simple way of providing your APM 2.5 with clean power from a LiPo battery as well as current consumption and battery voltage measurements, all through a 6-pos cable. The on-board switching regulator outputs 5.3V and a maximum of 2.25A from up to a 4S LiPo battery. The Power Module comes completely assembled with Deans connectors, and wrapped in shrink tubing for protection.
Note:The Power Module is only designed to power APM, a RC receiver and APM accessories (GPS, 3DR radio). It isnotdesigned to power servos. Use your aircraft\\\'s own ESC/BEC for that.and the board is white .
Specifications:
Max input voltage: 18V
Max current sensing: 90A -
Voltage and current measurement configured for 5V ADC
pos DF13Switching regulator outputs 5.3V and 2.25A max
6- cable plugs directly to APM 2.5\\\'s \\\'PM\\\' connector
Acknowledgements: diydronescommunity
 
Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
 

Please visit our forum for more information:
http://forum.mhetlive.com/topic/42/mh-et-live-microwave-sensor
Overview
The microwave motion sensor is a microwave moving object detector designed using Doppler radar principle. Unlike ordinary infrared detectors, microwave sensors detect the motion of an object by detecting microwaves reflected from the object. The detection object will not be limited to the human body, and there are many other things. The microwave sensor is not affected by the ambient temperature, has a long detection range and high sensitivity, and is widely used in industrial, transportation and civil devices such as vehicle speed, automatic doors, sensor lights, and parking sensors.
 
Because of the universality of microwave sensor detection objects, in actual life applications, it will be matched with another sensor for targeted detection. Such as microwave sensor infrared pyroelectric sensor, can effectively determine whether someone passed, will not be the sun, was disturbed by the color of clothing, will not respond to other objects.
characteristic
This detection method has the following advantages over other detection methods:
1. non-contact detection;
2. not affected by temperature, humidity, noise, airflow, dust, light, etc., suitable for harsh environments;
3. anti-radio frequency interference ability;
4.the output power is small, do not harm the body structure;
5. detection distance;
6. Support the detection of non-life objects
7. the direction of the microwave is very good, the speed is equal to the speed of light;
Product parameters
Working voltage : 5V±0.25V
Operating Current (CW): 50mA max., 30mA typical
size: R=30.6mm
Emission parameters:
 Detection distance: Used with adapter plate or reference circuit below, 2-16m continuously adjustable (minimum 2m, maximum 16m)
Helium emission frequency : 10.525 GHz
Frequency setting accuracy : 3MHz
Output power (minimum): 13dBm EIRP
harmonic emission: <-10dBm
Average current (5% DC) : 2mA typ.
Pulse width (Min.): 5uSec
Duty cycle (Min.): 1%
Receive parameters:
Sensitivity (10dB S/N ratio) 3Hz to 80Hz Bandwidth: -86dBm
10.3Hz to 80Hz Bandwidth Clutter 10uV
Antenna gain: 8dBi
Vertical 3dB beam width: 36 degrees
Water level 3dB Beam width: 72 degrees
Size Chart Pin Description

Warm prompt: Dear buyer, Our cheapest transportation services Economic category logistics (SunYou Economic Air Mail ,China Post Ordinary Small Packet Plus ) can be traced only befor it arrive your country,please choose Standard category logistics if you want a full tracking info.
 
 
 
HC-12 SI4463 wireless microcontroller serial, 433 long-range, 1000M with antenna for Bluetooth
 
PS: HC-11 can not be connected to communicate with the HC-12, they work independently, in pairs.
 
1: Supply voltage 3.2V ~ 5.5V. (If you want to work in the module launch state for a long time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode, to avoid heating module built LDO)
 
2: Default communication distance (open test): about 600m (adjustable to achieve the maximum communication distance of 1000m, the air baud rate 5000bps).
 
3: The default idle current: 16MA (modules in different operating current of the different operating modes).
 
4: Module Size: 27.8mm × 14.4mm × 4mm.
 
5: Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set)
 
6: The module supports software upgrades. (We provide customers with software upgrades)
 
7: The default factory settings: operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).
 
 
 
Here are several of the antenna connection can be selected.
 
 
 
 
As shown above, HC-12 module is used instead of the half-duplex communication physical connection to the left of the serial device sends data to the module, the module receives the left RXD port serial data, the data is automatically sent by way of radio waves into the air. The right of the module can automatically receive and restore the left side of the device was originally issued by the serial data from the TXD. From right to left is the same.
 
 
Product Features:
 
 
HC-12 module has three serial pass-through mode, using FU1, FU2 and FU3 said. When used, the various models are just to send and receive serial data, wireless transmission portion of the air tube. The default work under FU3 full mode, which automatically adjusts air baud serial port baud rate according to at low baud communication distances. Different modes can not exchange data, the user can select the optimal mode according to the actual situation.
 
When using generally do not limit the number of bytes to a continuous serial transmission module. However, in view of factors such as environmental disturbance, when a large amount of data sent continuously, there may be missing some bytes. So, the PC is best to have the response and retransmission mechanisms to avoid loss of information.
 
AT command set:
 
Module parameters, AT command set
AT command is used to set the parameters of the function module and switching modules need to exit the setting mode after setting to take effect. Meanwhile, modify the parameters and functions, power-down is not lost.
 
(1), enter the command mode of
The first entry mode - normal use (has the power) in the first 5-pin "SET" is set low;
The second mode of entry - power, 5th pin "SET" again first set low on power.
Both methods can make the module into AT command mode, release ("SET" pin is not connected low) to exit command mode. After the exit command mode, if you change the module function, the function will be cut to the appropriate state.
The second way is fixed in serial format 9600, N, 1 into the AT.
 
(2) Instructions
1. AT
Test instructions
Example:
Send module commands "AT", the module returns "OK".
 
2. AT Bxxxx
Change the serial port baud rate command. You can set the baud rate is 1200bps, 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps and 115200bps. The factory default is 9600bps.
Example:
Set the module serial port baud rate is 19200bps, please send module command "AT B19200", the module returns
"OK B19200".
 
3. AT Cxxx
Change the wireless communication channel, selectable from 001 to 127 (more than 100 radio channels after the communication distance not guaranteed). The default value is 001 radio channels, operating frequency is 433.4MHz. Step channel is 400KHz, the operating frequency of the channel 100 is 473.0 MHz.
 
Example:
Set module to channel 21, please send module command "AT C021", the module returns "OK C021".
After exiting the command mode, the module in the first 21 channels, operating frequency is 441.4 MHz.
Note: Because the wireless receiver module sensitivity HC-12 is relatively high, the baud rate is greater than when air 58000 bps, 5 must be shifted to the adjacent channel use. When the air baud rate is not greater than 58000 bps, if the short distance (10 meters) communication, but also need to stagger five adjacent channel use.
 
4. AT FUx
Change the module serial pass-through mode, there FU1, FU2 and FU3 three modes. Module default mode is FU3, two serial pass-through mode module must be set to the same communication. See detailed above, "wireless serial pass-through" part.
Example:
Send module commands "AT FU1", the module returns "AT OK".
 
6. AT Px
 
The default setting is 8, maximum transmit power, communication distances. Transmit power level is set to 1, the minimum transmission power. In general, the transmission power of each drop 6dB, communication distance will be reduced by half.
Example:
Send module commands "AT P 5", the module returns "OK P5". After exiting the command mode, the module transmit power is 11 dBm.
 
 

 
 
Red Toggle Switch Kit !
 
 
          Delivery list
                1P 2P 3P 4P 5P 6P 7p 8P 9p *5 PCS  ,Total 45pcs
 
 
 
 
 

Module Model: GY-906
 
 
 
Using a Chip: MLX90614
 
Power supply: 3-5v (internal low dropout regulator)
 
Communication: standard IIC communication protocol
 
 
Up for sale is a MELEXIS MLX90614ESF-BAA-000-TU-ND non-contact infrared thermometer for use with , or any microcontroller that can communicate with it through it's I2C interface. This sensor comes with a breakout board with all of the components needed for operation and two types of pins. They are unsoldered. Please indicate if you would like one or the other soldered. There are two solder jumpers for the I2C interface that may or may not need to be soldered depending on your application, but will not for most uses.
From the manufacturer:
 
Features and Benefits:
Small size, low cost
Mounted on a breakout board with two types of pins
10k Pull up resistors for the I2C interface with optional solder jumpers
Easy to integrate
Factory calibrated in wide temperature range:
-40 ... 125 ° C for sensor temperature and
-70 ... 380 ° C for object temperature.
High accuracy of 0.5 ° C over wide temperaturerange (0 ... 50 ° C for both Ta and To) High (medical) accuracy calibration
Measurement resolution of 0.02 ° C
Single and dual zone versions
SMBus compatible digital interface
Customizable PWM output for continuousreading
Simple adaptation for 8 ... 16V applications
Sleep mode for reduced power consumption
Different package options for applications andmeasurements versatility
Automotive grade
 
Applications Examples:
High precision non-contact temperaturemeasurements
Thermal Comfort sensor for Mobile AirConditioning control system
Temperature sensing element for residential, commercial and industrial building airconditioning Windshield defogging
Automotive blind angle detection
Industrial temperature control of moving parts
Temperature control in printers and copiers
Home appliances with temperature control
Healthcare
Livestock monitoring
Movement detection
Multiple zone temperature control - up to 127sensors can be read via common 2 wires
Thermal relay / alert
Body temperature measurement 
 
 
 
4.

Features:
1) high-accuracy voltage detection circuit;
2) terminal of the charger using high voltage device;
3) Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit);
4) MOS transistor can control the battery charge and discharge;
5) low standby current consumption.
 
Parameter:
 
 
 
BMS solder instruction:
B4  connected battery positive;
B3  the connect point between battery 1 and battery 2
B2  connect the point between battery2 and battery 3 
B1   connect the point between battery 3 and battery 4
B- connect to battery negative end 
b4  connection charge / discharge positive;
P-  connection charge / discharge negative
 
 
 

Product Description
The wireless charging and power supply development of small electronic products is designed with small size, easy to use, high efficiency and low price.
Mainly used in mobile electronic products such as: mobile phones, game consoles, fish tanks, MP3, MP4, adult products, digital cameras, electric razors, learning machines, medical, underwater products and other product applications.
Due to the use of contactless charging power supply, the product can be completely sealed, waterproof and dustproof; increase the service life of the product and make it more convenient to use.
 
5V1A  Parameter
1. Transmitter module size: 17mm*11mm*2.3mm
2. Transmitting and receiving coil size: outer diameter 40mm, thickness 1.8mm
3. Transmitter module working voltage: 5V~12V
4. Transmitter module operating current: automatically increase or decrease with the receiving load current
5. Receive module output current: 5V/1000mA
6. Transmitting distance: 1~20mm
7. If the small current works, the number of receiving coil turns can be increased to increase the transmission distance.
8. Connection method:
                                1 pin connected to the negative pole of the power supply;
                                2 pin connected to the positive pole of the power supply;
                                3 and 4 pin connected to external transmit coil.
 

Product Description
The wireless charging and power supply development of small electronic products is designed with small size, easy to use, high efficiency and low price.
Mainly used in mobile electronic products such as: mobile phones, game consoles, fish tanks, MP3, MP4, adult products, digital cameras, electric razors, learning machines, medical, underwater products and other product applications.
Due to the use of contactless charging power supply, the product can be completely sealed, waterproof and dustproof; increase the service life of the product and make it more convenient to use.
 
5V1A  Parameter
1. Transmitter module size: 17mm*11mm*2.3mm
2. Transmitting and receiving coil size: outer diameter 40mm, thickness 1.8mm
3. Transmitter module working voltage: 5V~12V
4. Transmitter module operating current: automatically increase or decrease with the receiving load current
5. Receive module output current: 5V/1000mA
6. Transmitting distance: 1~20mm
7. If the small current works, the number of receiving coil turns can be increased to increase the transmission distance.
8. Connection method:
                                1 pin connected to the negative pole of the power supply;
                                2 pin connected to the positive pole of the power supply;
                                3 and 4 pin connected to external transmit coil.
 

 

Description:
 
 
PAJ7620U2 gesture recognition sensor. It can recognize 9 gestures including move up, move down, move left, move right, move forward, move backward,circle-clockwise, circle-counter clockwise, and wave. These gestures information can be simply accessed via the I2C bus. The PAJ7620U2 also offers built-in proximity detection for the purpose of sensing object approaching or departing. The PAJ7620U2 is designed with great flexibility in power-saving mechanism.The PAJ7620U2 is designed to operate from 2.8V to 3.3V over -40°C to 85°C and the pull-up voltage for the I2C bus and interrupt line is from 1.8V to 3.3V.
 
 
Feature
 
 
Typical supply voltage is 2.8V to 3.3V and I/O voltage is 1.8V~3.3V
Nine gesture recognition (Up / Down / Left / Right / Push / Pull / CW / CCW / Wave)
Gesture speed is 60°/s to 600°/s in Normal Mode and 60°/s to 1200°/s in Gaming Mode
Ambient light immunity: < 100k Lux
Built-in proximity detection
Flexible power saving scheme
I2C interface up to 400 kbit/s, Pull-up voltage from 1.8V to 3.3V
Ambient light noise cancellation
 
 
Application
 
PAD Phone
Tablet Personal Computer
Automobile Application
 
 

 
 
Switch Remote Control Module IR Remote Control Power Button Module for Raspberry Pi 2/3 Model B Pi Zero

Features:
Battery protection(Over charge or Over discharge)
Micro USB port Input
Type-A USB Output
0.5A current charging
1 switch control USB output
5~8V Input Voltage
3V & 1A Output
5V & 2A Output
LED indicate(Green means full,Red means charging)
3V output port x3
5V output port x3
Be careful of " " and "-", You should follow the direction of " ""-" on the PCB.
If you put wrong direction, charging chip will be destroyed.
This product does not include 18650 battery
Size: 9.8x2.9cm/3.86x1.14inch
Quantity: 1 Set
1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
 
 

Features:
Battery protection(Over charge or Over discharge)
Micro USB port Input
Type-A USB Output
0.5A current charging
1 switch control USB output
5~8V Input Voltage
3V & 1A Output
5V & 2A Output
LED indicate(Green means full,Red means charging)
3V output port x3
5V output port x3
Be careful of " " and "-", You should follow the direction of " ""-" on the PCB.
If you put wrong direction, charging chip will be destroyed.
This product does not include 18650 battery
Size: 9.8x2.9cm/3.86x1.14inch
Quantity: 1 Set
1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
 
 

Features:
Battery protection(Over charge or Over discharge)
Micro USB port Input
Type-A USB Output
0.5A current charging
1 switch control USB output
5~8V Input Voltage
3V & 1A Output
5V & 2A Output
LED indicate(Green means full,Red means charging)
3V output port x3
5V output port x3
Be careful of " " and "-", You should follow the direction of " ""-" on the PCB.
If you put wrong direction, charging chip will be destroyed.
This product does not include 18650 battery
Size: 9.8x2.9cm/3.86x1.14inch
Quantity: 1 Set
1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
 
 

Features:
Battery protection(Over charge or Over discharge)
Micro USB port Input
Type-A USB Output
0.5A current charging
1 switch control USB output
5~8V Input Voltage
3V & 1A Output
5V & 2A Output
LED indicate(Green means full,Red means charging)
3V output port x3
5V output port x3
Be careful of " " and "-", You should follow the direction of " ""-" on the PCB.
If you put wrong direction, charging chip will be destroyed.
This product does not include 18650 battery
Size: 9.8x2.9cm/3.86x1.14inch
Quantity: 1 Set
1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
 
 

Features:
Battery protection(Over charge or Over discharge)
Micro USB port Input
Type-A USB Output
0.5A current charging
1 switch control USB output
5~8V Input Voltage
3V & 1A Output
5V & 2A Output
LED indicate(Green means full,Red means charging)
3V output port x3
5V output port x3
Be careful of " " and "-", You should follow the direction of " ""-" on the PCB.
If you put wrong direction, charging chip will be destroyed.
This product does not include 18650 battery
Size: 9.8x2.9cm/3.86x1.14inch
Quantity: 1 Set
1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
 
 

Features:
Battery protection(Over charge or Over discharge)
Micro USB port Input
Type-A USB Output
0.5A current charging
1 switch control USB output
5~8V Input Voltage
3V & 1A Output
5V & 2A Output
LED indicate(Green means full,Red means charging)
3V output port x3
5V output port x3
Be careful of " " and "-", You should follow the direction of " ""-" on the PCB.
If you put wrong direction, charging chip will be destroyed.
This product does not include 18650 battery
Size: 9.8x2.9cm/3.86x1.14inch
Quantity: 1 Set
1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
 
 

ESP8266 5V WiFi 2 CHANNEL RELAY MODULE Things smart home remote control switch phone APP

IIC/I2C 2004 5V LCD LCD module Yellow and green screen provides library files
 
 

13.56mHz PN532 compatible raspberry pie / NFC card reader module
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

100% brand new and high quality
Material: Electrical components
Color: See pictures
Product parameters:
Output power: 500mW (drive headphones), 3W (drive speakers)
Frequency range: 50Hz-18KHz
Receiving frequency:
Close campus radio 87.0MHz-108.0MHz, open campus radio 76.0MHz-108.0MHz
Equivalent noise: 30dB
Supply voltage: 3.0V-5.0V
Supply Current: maximum volume 400mA, minimum volume under 50mA (for reference only)
Channel: speaker (mono), headphone (stereo)
 
 
Product Features:
1: the use of advanced digital audio signal processing (DSP) technology and FM modulation phase-locked           loop (PLL) to make sound more realistic, more stable performance, long working hours without frequency           offset.
2: LCD display is more intuitive and accurate, with very low power consumption and minimal noise interference.
3: with automatic station search and store radio features, easy to operate and use.
4: Built-in 30 digital volume adjustment, the key operation can be easily completed.
5: automatic power-down data memory before the power failure.
6: speaker / headphone output automatic switching
7: supports serial AT commands.
8: quartz crystal frequency stabilization, the temperature change is no longer transmitting frequency drift.
9: Auto search for full-band signal has a frequency band and store memories.
10: You can set the threshold processing DSP digital squelch, no signal automatically muted, away from the            traditional FM radio irritability rustle (requires the user to open the static noise function module).

8232 AD8232 Ecg physiological measurement Ecg Physiological Measurement Heart Pulse Ecg Monitor Sensor Module
Application:
- Fitness and sports heart rate monitoring
- Portable ECG
- Remote health monitor
- Game peripheral equipment
- Bioelectricity signal collection
Specification:
- AD8232 adopts double poles high-pass filter to eliminate the motion artifacts and electrode half cell potential
- AD8232 adopts an operational amplifier that is without using constraint to build a three pole low pass filter, eliminating extra noises
- Rated temp range : 0----70degree
- Working temp range: -40-----85degree
 
 
 
 
 
22.5 5

 
CJMCU - KZQ WS2812 5050 full-color RGB LED driving lights The adjustable controller
 
Plug and play, electricity can be used immediately. Without electronics.
 
The controller input voltage range: 5-12 v
 
Note: this module provides no data

Model:VK-162   
Hot! Wholesale GPS engine board /Module with Antenna USB interface G-Mouse LUY VK-162 Replace GlobalSat BU-353S4 Skylab SKM55 
 
 
 

CJMCU-8223 Nrf51822 LIS3DH Bluetooth Module
Bluetooth Acceleration Module
Note: No specific technical information and technical support. No basis please consider buying. Please study it yourself.
Send 2.4G linear antenna 1 row pin
CJMCU-8223 module is a powerful multi-protocol module
Solution for ULP wireless applications. An ARM
Cortex M0 CPU and 256 flash 16kB RAM memory.
Integrated an ultra-low power accelerometer, LIS3DH, which is
A high performance three axes linear accelerometer with with digital
I2C / SPI serial interface standard output.
User defined outside 2.4Ghz antenna leaves the biggest
Flexibility to the customer for matching different application, like
High power long distance and short distance application
APPLICATIONS
• Wearables
• Beacons
• Appcessories
• Computer peripherals
• Proximity and security alert tags
• Sports- and fitness sensors
• Healthcare and lifestyle sensors
• Game controllers for computers
• Toys and Electronic games
• Domestic / Industrial control and data-acquisition
• Intelligent household appliances
• CE remote controls for TV, STB and media systems

5v 4 Channel SSR G3MB-202P Solid State Relay Module For Arduino
Package Included:
1 X 4 Channel 5V Solid State Relay Module
 
 
 
 
 
 
 

4

Description:
Material: stainless steel
Core: ceramic
Voltage: 12V/24V
Power: 30W/40W
Diameter: 6mm
Length: 20mm
Wire Length: 100cm

Specification:
Operating range: 10 meters (MAX), without signal disturbance and no direction limit.
Transmit power: 5db Max
Operation voltage: 3.3V
Operation current:<50mA
Charging current:<300mA
Sleep current:<1mA
Weight(grams): 110g
Size: 146*97*19mm(L*W*H)
Power by 2*AAA battery (not include)
System Requirements:
Windows 2000 / Windows XP / Windows 7 / Windows Vista / Windows Vista / Windows Linux(Debian-3.1,Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested)
Package Included:
1 x 2.4G Wireless mini Keyboard with Touchpad for PC Google Andriod TV Box
1 x USB Receiver
1 x User Manual
 

 AD8302

Features:
11 digital input/output pins
Interrupt/pwm/I2C/one-wire
1 analog input(3.2V max input)
16M bytes(128M bit) Flash
External antenna connector
Built-in ceramic antenna
New CP2104 USB-TO-UART IC
Same size as D1 mini, but more light

Warm prompt: Dear buyer, Our cheapest transportation services Economic category logistics (SunYou Economic Air Mail ,China Post Ordinary Small Packet Plus ) can be traced only befor it arrive your country,please choose Standard category logistics if you want a full tracking info.
D2-1 diy kit Intelligent tracking the car kit 
 
not include the battery
not include the battery
not include the battery
 
 
 
 
 
3

Description:
This product is a new digital LED countdown display 12v delay module module. It can be widely with various control switch places.
Products can set the delay time, can press "set" buttons. After setting up, power-up setting value is previous setting delay time as we set last time (power-down memory function)
Products are precision delay, error 0.01% per second, a delay of 0-999 seconds , LED changes per seconds
LED digital display, normally open trigger delay 12V relay module, triggered by an external signal
modules are high level trigger, counting time 0-999 seconds
The wide range of products can be used in many fields
products are working low-power mode, press the left button to turn off the digital display or begin to show
Voltage: Voltage DC 12V
Size: 63.6mm × 33.1mm
Current: Standby time about about 50ma 12ma relay
Load: AC 500W or DC 100W
Package includes:
DC12V Delay Timer Control Switch Module x 1

100PCS 2 Pin Screw Terminal Block Connector 5mm Pitch
 
 
 

Features: 
 
Accurate Gain Measurement Scaling (30 mV/dB)
 
Typical Nonlinearity < 0.5 dB
 
Accurate Phase Measurement Scaling (10 mV/Degree)
 
Typical Nonlinearity < 1 Degree
 
Measurement/Controller/Level Comparator Modes
 
Operates from Supply Voltages of 2.7 V-5.5 V
 
Stable 1.8 V Reference Voltage Output
 
Small Signal Envelope Bandwidth from DC to 30 MHz
 
APPLICATIONS
 
RF/IF PA Linearization
 
Precise RF Power Control
 
Remote System Monitoring and Diagnostics
 
Return Loss/VSWR Measurements
 
Log Ratio Function for AC Signals 
 
 
 
Package Included :
 
   1  x  AD8302 Amplitude Phase RF Detector Module IF 2.7GHz Phase Detection forArduino

 
1pcs OV2640 camera module Module 2 million pixel electronic integrated with jpeg compression new big promotion

Strong launch of new products: GT-38 wireless single chip microcomputer serial port module
not all wireless modules are called GT-38! The performance is stable and the distance is long, and the small module has a large energy!
Supported voltage range: 3-5.5V
data Network disk Download: https://pan.baidu.com/s/15y_81h4pC_UznCTQxTbjjg
if you need to purchase a USB to serial port module, click the link to purchase: https://item.taobao.com/item.htm? spm=a1z38n.10677092.0.0.11891deb8aqXr6&id=18127859919
by default, spring-loaded antenna is sent (welding by yourself). If you need an external IPX interface antenna, click the link to buy it separately: https://item.taobao.com/item.htm? spm=a1z38n.10677092.0.0.11891debUmZk42&id=572037607582
 
Test data:

 
 
Water flow sensor flowmeter Hall flow sensor Water control 1-30L/min 2.0MPa YF-S201