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MAX7219 dot matrix module microcontroller module 4 in one display
 
MAX7219 Display Panel Dot Matrix Module Microcontroller 4 In One Display with 5P Line 4 in 1 Red Green for Arduino diy kit
 
 
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
Dimensions: 12.8X12.8X1.3cm/
Fixing screws with 64 holes with a diameter 3mm
Module with input and output interfaces, support for cascading multiple modules
Quality:1Set
The left side of the module to the input port, the right to an output port
When the control of a single module, simply input port connected to CPU
When a plurality of cascaded modules, input and output termination CPU, an input terminal of the second output end of the first module a module, the first two modules of the input terminal of the three termination modules, and so on...
51 microcontrollers, for example:
VCC 5V
GND GND
DIN P2.2
CS P2.1
CLK P2.0
Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.
And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

MAX7219 dot matrix module microcontroller module 4 in one display
 
MAX7219 Display Panel Dot Matrix Module Microcontroller 4 In One Display with 5P Line 4 in 1 Red Green for Arduino diy kit
 
 
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
Dimensions: 12.8X12.8X1.3cm/
Fixing screws with 64 holes with a diameter 3mm
Module with input and output interfaces, support for cascading multiple modules
Quality:1Set
The left side of the module to the input port, the right to an output port
When the control of a single module, simply input port connected to CPU
When a plurality of cascaded modules, input and output termination CPU, an input terminal of the second output end of the first module a module, the first two modules of the input terminal of the three termination modules, and so on...
51 microcontrollers, for example:
VCC 5V
GND GND
DIN P2.2
CS P2.1
CLK P2.0
Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.
And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

ATTINY85 module Black:
1. Support for the Arduino IDE 1.0 (OSX/Windows/Linux).
2. Power via USB or External Source or 7-16 v to 5 v (automatic selection).
3. The On - board, 150 ma 5 v Regulator.
4. Built - in USB and serial was debugging).
5. 6 I/O Pins (2 are informs the for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8 k Flash Memory (about 6 k after bootloader).
7. The I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. The ADC on 4 pins.
10. The Power LED and the Test/Status leds.
The Specs:
1. Support for the Arduino IDE 1.0 (OSX/Win/Linux).
2. Power via USB or External Source - 5v or 7-16v (automatic selection).
3. On-board 150ma 5V Regulator.
4. Built-in USB (and serial debugging).
5. 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8k Flash Memory (about 6k after bootloader).
7. I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. ADC on 4 pins.
 
 
ATTINY85 module Blue
1. Support for the Arduino IDE 1.0 (OSX/Win/Linux).
2. Power via USB or External Source - 5v or 7-16v (automatic selection).
3. On-board 150ma 5V Regulator.
4. Built-in USB (and serial debugging).
5. 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8k Flash Memory (about 6k after bootloader).
7. I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. ADC on 4 pins.
10. Power LED and Test/Status LED

ATTINY85 module Black:
1. Support for the Arduino IDE 1.0 (OSX/Windows/Linux).
2. Power via USB or External Source or 7-16 v to 5 v (automatic selection).
3. The On - board, 150 ma 5 v Regulator.
4. Built - in USB and serial was debugging).
5. 6 I/O Pins (2 are informs the for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8 k Flash Memory (about 6 k after bootloader).
7. The I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. The ADC on 4 pins.
10. The Power LED and the Test/Status leds.
The Specs:
1. Support for the Arduino IDE 1.0 (OSX/Win/Linux).
2. Power via USB or External Source - 5v or 7-16v (automatic selection).
3. On-board 150ma 5V Regulator.
4. Built-in USB (and serial debugging).
5. 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8k Flash Memory (about 6k after bootloader).
7. I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. ADC on 4 pins.
 
 
ATTINY85 module Blue
1. Support for the Arduino IDE 1.0 (OSX/Win/Linux).
2. Power via USB or External Source - 5v or 7-16v (automatic selection).
3. On-board 150ma 5V Regulator.
4. Built-in USB (and serial debugging).
5. 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8k Flash Memory (about 6k after bootloader).
7. I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. ADC on 4 pins.
10. Power LED and Test/Status LED

 
Description:
 
 
Module name :400W boost constant current module
Module properties: non-isolated step-up module (BOOST)
Input voltage: DC8.5V-50V
Input current: 15A (MAX) exceeds 8A please enhance heat dissipation
Quiescent current: 10mA (12V liter 20V, the output voltage, the higher the current will increase too quiet)
Output voltage: 10-60V continuously adjustable
Constant] range: 0.2-12A 
Temperature: -40 to 85 degrees (ambient temperature is too high, please enhance heat dissipation) 
Operating frequency: 150KHz
Conversion efficiency: up to 96%
Overcurrent protection: yes
Input reverse polarity protection: no
Installation: 4 2.55mm screw holes
Connection method: Connection Output
Module size: 67mm X48mm X 28mm (LxWxH)
Single module: 60 g
 
 
 
Applications:
 
 
1. DIY a power supply, 12V can input and output can 12-50V adjustable.
2. the power supply for your electronic device, according to your system can set the output voltage value. 
3. as the car power supply for your laptop, PDA or a variety of digital products supply. 
4. DIY a mobile notebook power supply: 12V coupled with high-capacity lithium battery pack, so you can go where light where books. 
5; solar panel regulator. 
6 to the battery, rechargeable lithium batteries.
7. driving high-power LED lights.

 ADXL335 three-axis accelerometer tilt angle module alternative MMA7260 GY-61

    Parameters:
The module name: 12A buck perfect version
The modular nature: non isolated buck module     
Input voltage: 4.5-30V input voltage should not exceed 30V!!!
Output voltage:1.25-30V continuous adjustable
Output current: 0-12A 100W to strengthen the heat up to 200W,
Working temperature: -40~ 85 degrees
Operating frequency: 300KHz
Conversion efficiency:maximum  95% (efficiency is related to the input, the output voltage, current, pressure difference)
Short circuit protection:have (current limiting 14A) please try not to short circuit
Over temperature protection:have (automatic shutdown output ultra temperature)
Input reverse connection protection: No, (such as the need to please series diodes in the input)
Installation: 4pcs 3mm screws
Connection: connecting terminal, without welding, V-IN input, V-OUT output, with the housing modules for welding line output
Module size: length 60mm width 51mm high 22mm
Scope of application:
This module can be applied to the field of the input voltage higher than the output voltage,    
such as battery, power transformer, DIY adjustable regulated power supply, 24V vehicle notebook
power, vehicle LED lamp with power supply, industrial equipment, buck, 12V to 3.3V, 12V to 5V,
24V to 5V, 24V to 12V etc.
 

 
2.8 inch OLED LCD module 
 
Note:
1 This OLED has Serial interface and Paralle interface (please chooes and remark when buying)
 
2 This OLED has 3.3V and 5V (please chooes and remark when buying)
 
2-11. Color depth: support 16 gray levels

 
2.8 inch OLED LCD module 
 
Note:
1 This OLED has Serial interface and Paralle interface (please chooes and remark when buying)
 
2 This OLED has 3.3V and 5V (please chooes and remark when buying)
 
2-11. Color depth: support 16 gray levels

 
2.8 inch OLED LCD module 
 
Note:
1 This OLED has Serial interface and Paralle interface (please chooes and remark when buying)
 
2 This OLED has 3.3V and 5V (please chooes and remark when buying)
 
2-11. Color depth: support 16 gray levels

Working voltage: 1.7V3.6V
Working temperature: -40 ℃ ~ 85 ℃
Communication interface: 12C (up to 3.4 MHz) and SPI (3 and 4 wires, up to 10 MHz)
Humidity, pressure and gas sensors can be enabled / disabled individually
The current consumption at 1 Hz humidity and temperature is 2.1 LA, the current consumption at 1 Hz pressure and temperature is 3.1 LA, and the current consumption at 1 Hz humidity, pressure and temperature is 3.7 LA
Gas sensor parameters: response time (33-63% ) <1s (for new sensors) power consumption in ultra-low power mode <0.1 mA output data processing direct indoor air quality (IAQ) index output humidity sensor parameters: response time (0 -83% ) ~ 8s
Accuracy tolerance ± 396r ..
Hysteresis ± 1.5% r.h.
Pin definition
vCC: Power supply is positive
GND: ground
SCL: 12C / SP1 clock line
SDA: 12C / SP! Data cable
sDO: SPI data cable
CS: SPI1 slave enable

NTC 3950 Thermistors for 3D Printer Reprap Mend For 3D Printer Hot bed MK2a MK2b

200W 6~35V to 6~55V DC/DC Converter Boost Charger Power Converter Modules with Aluminum
Description:
1 , the input voltage : DC 6 ~ 35V
2 , the output voltage : DC 6 ~ 55V ( Note : This board is a booster plate , the output voltage can be greater than or equal to the input voltage )
3 , conversion efficiency : 97.6% ( input 32V output 45V / 3A when measured , the efficiency with input voltage and output voltage and current related )
4, the maximum input power : 200W ( 30V input voltage is greater than the maximum power is reached )
5, the maximum input current : 10A ( long hours , please leave a certain margin )
6, the maximum output current : 7A (Working long hours , please leave a certain margin )
7 , module size : 70x39x32 mm ( length x width x height )
packing content:
100% Brand New
10 x 200W Boost Converter
 
 

Working voltage: 1.7V3.6V
Working temperature: -40 ℃ ~ 85 ℃
Communication interface: 12C (up to 3.4 MHz) and SPI (3 and 4 wires, up to 10 MHz)
Humidity, pressure and gas sensors can be enabled / disabled individually
The current consumption at 1 Hz humidity and temperature is 2.1 LA, the current consumption at 1 Hz pressure and temperature is 3.1 LA, and the current consumption at 1 Hz humidity, pressure and temperature is 3.7 LA
Gas sensor parameters: response time (33-63% ) <1s (for new sensors) power consumption in ultra-low power mode <0.1 mA output data processing direct indoor air quality (IAQ) index output humidity sensor parameters: response time (0 -83% ) ~ 8s
Accuracy tolerance ± 396r ..
Hysteresis ± 1.5% r.h.
Pin definition
vCC: Power supply is positive
GND: ground
SCL: 12C / SP1 clock line
SDA: 12C / SP! Data cable
sDO: SPI data cable
CS: SPI1 slave enable

Description:
special IIC bus control, only occupies 2 IO
Contrast adjustable, controllable backlight lamp
Using 2004 high-quality LCD screen, blue white, clear display
IIC bus control, occupy only two IO port
The backlight can be controlled, by the jumper control, can also be controlled by a program
Screen display contrast adjustable
5V voltage supply, device address 0x27
Applicable to Ardui-no platform

Description:
special IIC bus control, only occupies 2 IO
Contrast adjustable, controllable backlight lamp
Using 2004 high-quality LCD screen, blue white, clear display
IIC bus control, occupy only two IO port
The backlight can be controlled, by the jumper control, can also be controlled by a program
Screen display contrast adjustable
5V voltage supply, device address 0x27
Applicable to Ardui-no platform

Description:
special IIC bus control, only occupies 2 IO
Contrast adjustable, controllable backlight lamp
Using 2004 high-quality LCD screen, blue white, clear display
IIC bus control, occupy only two IO port
The backlight can be controlled, by the jumper control, can also be controlled by a program
Screen display contrast adjustable
5V voltage supply, device address 0x27
Applicable to Ardui-no platform

Description:
special IIC bus control, only occupies 2 IO
Contrast adjustable, controllable backlight lamp
Using 2004 high-quality LCD screen, blue white, clear display
IIC bus control, occupy only two IO port
The backlight can be controlled, by the jumper control, can also be controlled by a program
Screen display contrast adjustable
5V voltage supply, device address 0x27
Applicable to Ardui-no platform

Description:
special IIC bus control, only occupies 2 IO
Contrast adjustable, controllable backlight lamp
Using 2004 high-quality LCD screen, blue white, clear display
IIC bus control, occupy only two IO port
The backlight can be controlled, by the jumper control, can also be controlled by a program
Screen display contrast adjustable
5V voltage supply, device address 0x27
Applicable to Ardui-no platform

Product Introduction:
1.Size: 4.1*1.6cm
2.Board Thickness:1.6mm
3.Operating Frequency:2.405-2.485GHz
4.Wireless Transmission Speed Rate:250Kbaud
5.Power Consumption:<20mA (receiving);<25mA (transmission)
Features:
1.Lead Out 8 IO Ports 
2.Debug Pin
3.Matching Firmware To Achieve Analyzer Function

Embed version of Mega 2560 CH340G/ATmega2560 - compatible with Arduino Mega 2560 board. Built on the Atmel ATmega2560 microcontroller and USB-UART interface chip CH340G.
Board have compact size 38x55mm. It is good solution, to make your final project on solder proto-board.
Board for functionality similar to the Arduino Mega 2560. It is embed board, but the same stable, and uses the original chips ATmega2560 (16 MHz).
The board used the chip CH340G as converter UART-USB. When you work in the frequency 12Mhz, giving a stable result of data exchange (need install drivers to computer).
Mega PRO (Embed) 2560 CH340G / ATmega2560 - connects to the computer via microUSB cable (used for almost all Android smartphones).
You can supply power to board through the MicroUSB connector or to power pinheaders. The voltage regulator (LDO) can deal with incoming voltage from 6V to 9V (peack 18V) DC. Output current for 5V - about 800mA, for 3.3V - about 800mA (Please note that the higher the input voltage the lower the outgoing current). That will provide a reliable power most of your initial projects.

 
Shipping Packing List:
1, Logic 24M 8CH logic analyzer host 1 set.
2, color DuPont line 10 lines (10 different colors) 10 root.
3, high-quality USB-MINI line (NOKIAs dedicated line) 1.
Product Size: 50mm X 28mm x 14mm
Product weight: 50g (including , USB cable and 10 DuPont line)
Introduction: (support the latest version of logic 1.1.15)
Sampling speed is high:24 MHz
Logic channel sampling speed of up to 24M / s time. The general application of about 10M, enough to cope with various occasions.
8 channels
Logic 8 input - can be collected at the same time. With signal analysis, such as I2C, UART and other sampling analysis.
10 billion samples
Logic can sample up to 10 billion samples, allowing you to capture even the most elusive events.
voltage range
From logic: 5V, accepts 5.25 V, has a standard CMOS threshold logic of 0.8V low. 2.0 V logic high. The input impedance is about 1 MΩ and also see more specifications (10 pF)
protection
Protection logic of the overvoltage protection conditions of the input resistance, and the buffer chip. Better protection of equipment for safe work.
Support the latest version: 1.1.15 version

LM2596 LM2596S DC-DC 4.5-40V adjustable step-down power Supply module 
 
Name : LM2596 DC-DC Buck module
Input voltage :4V ~ 35V
The output voltage : 1.23V ~ 30V
Output Current :3A( Max)
Conversion efficiency:92% ( MAX )
Output ripple: <30mV
Switching frequency: 150KHz
Working temperature: -forty Five~ 85
Size :43mm * 21mm * 14mm(Long*Width*Hight)
Features:
1. the range of input voltage: 3.2 V to 40 V dc (input voltage must be higher than to the output voltage of 1.5 V above. Can't booster)
2. the range of output voltage: 1.25 V dc to 35 V voltage adjustable, high efficiency (92% ) largest maximum output current is 3A.
 
Instructions:
1. Power (3-40V), power indicator light, the module is working properly.
 
2. Adjust the blue potentiometer knob (clockwise rotation generally boost,counter-clockwise rotationTurn down) and reach with a multimeter to monitor the output voltage required voltage.
 
Note:
 
  Current work long hours is recommended for use in less than 2.5A, while adding bulkHeat sink (10W output above),because it is the step-down module, in order to ensure stable output Set,please keep the minimum 1.5V
differential.

LM2596 LM2596S DC-DC 4.5-40V adjustable step-down power Supply module 
 
Name : LM2596 DC-DC Buck module
Input voltage :4V ~ 35V
The output voltage : 1.23V ~ 30V
Output Current :3A( Max)
Conversion efficiency:92% ( MAX )
Output ripple: <30mV
Switching frequency: 150KHz
Working temperature: -forty Five~ 85
Size :43mm * 21mm * 14mm(Long*Width*Hight)
Features:
1. the range of input voltage: 3.2 V to 40 V dc (input voltage must be higher than to the output voltage of 1.5 V above. Can't booster)
2. the range of output voltage: 1.25 V dc to 35 V voltage adjustable, high efficiency (92% ) largest maximum output current is 3A.
 
Instructions:
1. Power (3-40V), power indicator light, the module is working properly.
 
2. Adjust the blue potentiometer knob (clockwise rotation generally boost,counter-clockwise rotationTurn down) and reach with a multimeter to monitor the output voltage required voltage.
 
Note:
 
  Current work long hours is recommended for use in less than 2.5A, while adding bulkHeat sink (10W output above),because it is the step-down module, in order to ensure stable output Set,please keep the minimum 1.5V
differential.

SX1276 ESP32 LoRa 868MHz/915MHz 0.96 Inch Blue OLED Display Bluetooth WIFI Lora Kit 32 Development Board

SX1276 ESP32 LoRa 868MHz/915MHz 0.96 Inch Blue OLED Display Bluetooth WIFI Lora Kit 32 Development Board

 
 
 
CJMCU CCS811-811 air quality monitoring Digital Internal gas sensor
 
the CJMCU-811 is an ultra-low-power digital gas sensor that integrates a sensor and a CCS801-bit MCU with an analog-digital converter (ADC) for detecting indoor air quality, including carbon monoxide (CO) and a wide range of Volatile Organic compounds (VOCs).
 
air quality sensor CCS811 characteristics:
 
 
Ultra-low power consumption can be used in battery powered equipment
 
high sensitivity, fast heating
 
Intelligent algorithm calculates TVOC / eCO2 values
 
I2C signal output, direct communication with the main system
 
 
 
the main characteristics of the air quality sensor CJMCU-811:
 
metal oxide (MOX) sensors to monitor indoor air quality
 
a-bit MCU is integrated to perform the 'first-level algorithm
 
adc built in for sensor readings and digitized conversions
 
I2C slave interface can be connected directly to the master control system
 
Reset / interrupt control

Introduction
 
Features
 
Beam Angle: 120˚
 
Precondition : JEDEC Level 2a
 
Dimension : 5.6 x 3.0 x 0.8 mm
 
ESD withstand Voltage : up to ± 5KV [HBM]
 
MODEL   NAME : SPBWH1532S1ZVCBIB
 
 Manufacturer  :   SAMSANG
 
 Package  Model:Loaded Quantity  10000PCS  Per  Reel
 
  Forward Current      (IF ): 180mA
 
  Pulse Forward  Curren t1     (IFp): 300mA
 
  Reverse  Current    (IR):uA
 
  Reverse Voltage   (VR):0.7-1.2V  (5mA)
 
  Power Dissipation  (PD): W
 
  Operatin  Tgemperature   (Topr):      - 40   85C °
 
Storage Temperature   (Tstg):  -40  -   120 C °
 
   Soldering Temperature     (Tsld):  Reflow Soldering:260 C °
for 10secs
 
Hand Soldering:350C °
 
for 3secs
 
  Junctio  Tnemperature   (Tj ):  C °
 
  Forward  Voltage   (VF):   2.7-3.2V  (65mA)
 
  Luminous Flux    (LM):     28.5-30.5LM  (65mA)  
 
  Wavelength    (nm) :  nm      (65 mA)
 Emissions-farbe Color of  Emission :  
 
  Color Correlated Temperature    (CCT):  K
 
  CRI  :   80°
 
  Viewing angle :  120°

Ethernet Shield  Nano UNO R3, work as ENC28J60 RJ45 Webserver
 
Description
 
100% Brand new
 
With this Ethernet Shield,  Nano board can be used to connect to internet
controller: Microchip's ENC28J60 ethernet  / HR911105A
works as server or client
comes with efficient library and examples
direct plug puzzle board, NO soldering needed

Parts NO.: DHT22/AM2302 Digital Temperature and Humidity Sensor
Package :
Quantity : 10 PCS PCS
 
AM2302 Product Overview
AM2302 digital temperature and humidity sensor is a calibrated digital output signal containing temperature and humidity sensor complex. It uses a dedicated digital modules collection technology and temperature and humidity sensor technology to ensure that products with high reliability and excellent long-term stability. Includes a capacitive sensor element and a sense of wet NTC temperature measurement devices, and with a high-performance 8-bit microcontroller connected. Therefore, the product has excellent quality, fast response, anti-interference ability, high cost and other advantages. Each AM2302 sensors are extremely accurate calibration of humidity calibration chamber. Calibration coefficients stored in the form of a program OTP memory, internal sensor detection signals in the process to call these calibration coefficients. Single-wire serial interface, the system integration becomes simpler and faster. Ultra-small size, low power consumption, signal transmission distance up to 20 meters or more, making all kinds of applications and even the most demanding applications is the best selection. Products for the 4-pin single row pin package. Easy connection, special packages can be provided according to user needs.
Applications
HVAC, dehumidifiers, testing and inspection equipment, consumer goods, automotive, automation, data loggers, appliances, humidifiers, medical, weather, and other relevant humidity detection control.

Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.
 
Tracking info of  China Post Ordinary Small Packet Plus can be check here: www.17track.net/en

Nova PM sensor SDS011
Outline
SDS011 detection principle using a laser , can be obtained in the air suspended particulate matter concentration of 0.3 to 10 microns , stable and reliable data ; built-in fan , digital output , high integration
Feature
l data accuracy : laser detection , stability , consistency, good ;
l Quick response : data update frequency of 1Hz;
l easy integration : serial output ( or IO port output can be customized ) , comes with fan ;
l High resolution : Minimum resolution particle diameter of 0.3 microns ;
l standard certification : products have passed CE / FCC / RoHS certification.
Scope
PM2.5 detector, purifier.
working principle
Laser scattering theory : When laser irradiation through the particle detection position will produce a weak scattering of light in a specific direction of the light scattering wave and particle diameter about , you can get different grain through the waveform classification statistics and conversion formula different size number concentration of particle diameter in real time , in accordance with the calibration methods with the official unit of uniform concentration .

Specification:
Brand new and high quality. 
chip board ENC28J60/SS. 
the board 25MHZ crystal. 
the network interface board HR911105A. 
3.3 V power supply pin. 
Size:5cm x 2cm x 1.5cm /1.92''x0.72'' 
Weight: 11g

 
Chip: MPU-9250 BMP280
Power supply: 3-5v (internal low dropout regulator)
Communication: standard IIC / SPI communications protocol
Chip built 16bit AD converter, 16-bit data output
Gyroscopes range: ± 250 500 1000 2000 ° / s
Acceleration range: ± 2 ± 4 ± 8 ± 16g
Magnetic field range: ± 4800uT
Pressure range: 300-1100hPa
Using Immersion Gold PCB, machine welding process to ensure quality
2.54mm pin pitch
Module size:(L*W)2.05* 1.43cm/0.81"*0.56"
 
    Package Included  
    10x   MPU9250 BMP280 10DOF Acceleration Gyroscope Compass Nine Shaft GY-91 Sensor
 
 

Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.
 
Tracking info of  China Post Ordinary Small Packet Plus can be check here: www.17track.net/en

The Specs:
1. Support for the Arduino IDE 1.0 (OSX/Windows/Linux).
2. Power via USB or External Source or 7-16 v to 5 v (automatic selection).
3. The On - board, 150 ma 5 v Regulator.
4. Built - in USB and serial was debugging).
5. 6 I/O Pins (2 are informs the for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8 k Flash Memory (about 6 k after bootloader).
7. The I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. The ADC on 4 pins.
10. The Power LED and the Test/Status leds.
The Specs:
1. Support for the Arduino IDE 1.0 (OSX/Win/Linux).
2. Power via USB or External Source - 5v or 7-16v (automatic selection).
3. On-board 150ma 5V Regulator.
4. Built-in USB (and serial debugging).
5. 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
6. 8k Flash Memory (about 6k after bootloader).
7. I2C and SPI (vis USI).
8. PWM on 3 pins (more possible with Software PWM).
9. ADC on 4 pins.
10. Power LED and Test/Status LED .

 
Description
ME-BME280 is a Breakout Board featuring a Bosch Sensortec ME280 Temperature, Humidity & Pressure Sensor. 
The board has selectable I2C address jumper (solder link GS2), I2C pull-up resistors, 7 pin header 2.54mm, and two mounting holes 3.5mm.
Default setting of the board; single power rail Vdd=Vdd_IO (solder link GS1), pull-ups resistors (R2, R3) 10k, protocol selector resistor 0ohm (R1), decoupling capacitors 0.1uF on both power supply pins Vdd & Vdd_IO.
If you connect board to both power rails VDD_IO 1.8V and VDD 3.3V be sure to remove the power rail jumper GS1!
 
BME280 Features
- Package 2.5 mm x 2.5 mm x 0.93 mm metal lid LGA
- Digital interface I2C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
- Supply voltage VDD main supply voltage range: 1.71 V to 3.6 V
   VDDIO interface voltage range: 1.2 V to 3.6 V
- Current consumption 1.8 uA @ 1 Hz humidity and temperature
   2.8 uA @ 1 Hz pressure and temperature
   3.6 uA @ 1 Hz humidity, pressure and temperature
   0.1 uA in sleep mode
- Operating range -40… 85 C, 0…100 % rel. humidity, 300…1100 hPa- Humidity sensor and pressure sensor can be independently enabled/disabled
 
 
Bosch has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI!
 
This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuraccy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with  ±1 meter accuracy
 
The BME280 is the next-generation of sensors from Bosch, and is the upgrade to the BMP085/BMP180/BMP183 - with a low altitude noise of 0.25m and the same fast conversion time. It has the same specifications, but can use either I2C or SPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI.
 
 
 

 
Description
ME-BME280 is a Breakout Board featuring a Bosch Sensortec ME280 Temperature, Humidity & Pressure Sensor. 
The board has selectable I2C address jumper (solder link GS2), I2C pull-up resistors, 7 pin header 2.54mm, and two mounting holes 3.5mm.
Default setting of the board; single power rail Vdd=Vdd_IO (solder link GS1), pull-ups resistors (R2, R3) 10k, protocol selector resistor 0ohm (R1), decoupling capacitors 0.1uF on both power supply pins Vdd & Vdd_IO.
If you connect board to both power rails VDD_IO 1.8V and VDD 3.3V be sure to remove the power rail jumper GS1!
 
BME280 Features
- Package 2.5 mm x 2.5 mm x 0.93 mm metal lid LGA
- Digital interface I2C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
- Supply voltage VDD main supply voltage range: 1.71 V to 3.6 V
   VDDIO interface voltage range: 1.2 V to 3.6 V
- Current consumption 1.8 uA @ 1 Hz humidity and temperature
   2.8 uA @ 1 Hz pressure and temperature
   3.6 uA @ 1 Hz humidity, pressure and temperature
   0.1 uA in sleep mode
- Operating range -40… 85 C, 0…100 % rel. humidity, 300…1100 hPa- Humidity sensor and pressure sensor can be independently enabled/disabled
 
 
Bosch has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI!
 
This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuraccy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with  ±1 meter accuracy
 
The BME280 is the next-generation of sensors from Bosch, and is the upgrade to the BMP085/BMP180/BMP183 - with a low altitude noise of 0.25m and the same fast conversion time. It has the same specifications, but can use either I2C or SPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI.
 
 
 

30A ESC Brushless Motor Speed Controller

Features:
 
Condition: New
20 Digital input / output ports:TX, RX, D2 ~ D13, A0~A5
8 analog inputs ports:A0 ~ A7
1 pairs of TTL level serial transceiver ports RX / TX
6 PWM ports: D3, D5, D6, D9, D10, D11
Main ChipAtmel Atmega328P-AU
Support Serial Download
Support external power supply 3.8-12V DC
Support 12V or less than 12V battery power supply
16MHz clock frequency
Size: 33.8mm x 18mm
Color and more details are shown as pictures
PLS NOTE that due to lighting effects, monitor's brightness/ contrass settings ect,
there could be some slight differences in the color tone of the pictures and the actual item!
 
 
Package Included :
10 x PRO MINI

Product parameters:
 
Humidity measurement range: 0% to 99.9% (0°C-50°C range)
Humidity measurement error: ±2%
Temperature measurement range: -40 ° C ~ 80 ° C
Temperature measurement error: ±0.5°C max ±1°C
Resolution: 16 bits
Sampling period: 2s
Working voltage: 3V--5.5V

Product parameters:
 
Humidity measurement range: 0% to 99.9% (0°C-50°C range)
Humidity measurement error: ±2%
Temperature measurement range: -40 ° C ~ 80 ° C
Temperature measurement error: ±0.5°C max ±1°C
Resolution: 16 bits
Sampling period: 2s
Working voltage: 3V--5.5V

Description:
MAXIM MAX6675 is an American company with a cold junction compensation, linearity correction, thermocouple break detection ADC Serial K-type thermocouple, its temperature resolution capability is 0. 25 Degree, cold junction compensation range - 20 ~ 80 Degree, wide operating voltage range 3. 0 ~ 5. 5V
 
 
Operating voltage: 3. 0 ~ 5. 5V
Internal integrated cold junction compensation circuit;
With a simple three serial interface;
Temperature signal can be converted into 12-bit digital
 
 
 
 
Temperature resolution of: 0. 25 Degree;
 
Cold junction compensation range: - 20 ~ 80 Degree,
Embedded thermocouple break detection circuitry.
Using SPI 3 wire communication
K-type temperature probe
Type K temperature range 0-800 degrees
 
 
Package Included:
 MAX6675 Thermocouple Temperature Sensor

Description:
MAXIM MAX6675 is an American company with a cold junction compensation, linearity correction, thermocouple break detection ADC Serial K-type thermocouple, its temperature resolution capability is 0. 25 Degree, cold junction compensation range - 20 ~ 80 Degree, wide operating voltage range 3. 0 ~ 5. 5V
 
 
Operating voltage: 3. 0 ~ 5. 5V
Internal integrated cold junction compensation circuit;
With a simple three serial interface;
Temperature signal can be converted into 12-bit digital
 
 
 
 
Temperature resolution of: 0. 25 Degree;
 
Cold junction compensation range: - 20 ~ 80 Degree,
Embedded thermocouple break detection circuitry.
Using SPI 3 wire communication
K-type temperature probe
Type K temperature range 0-800 degrees
 
 
Package Included:
 MAX6675 Thermocouple Temperature Sensor

 
Bluetooth MP3 Decoding Board Module w/ SD Card Slot / USB 2.0 Port / FM / Remote
 
 
 
- Color: Black white
- Display Mode: Single cycle and repeat all switch, it is repeat all as opening
- Menu Language: English
- Display Size: 1.5"
- Memory Card Type: SD
- Max Extended Capacity: 8GB
- Audio Formats: MP3 / WMA
- Tuner Bands: FM
- FM Frequency: 85~108MHz
- Other Connections: 1 x USB 2.0 / 1 x SD card slot
- Power Supply: 12V
- Voltage: 7~12V
- The interval between installation hold: 90mm
- Supports external signal switch directly
- Supports Bluetooth 3.0 EDR
- Supports USB / SD card / Bluetooth / FM / Line auto switch
- Built-in MP3 / WMA song decoding chip
- Supports play from USB / SD card / MMC card
- Supports USB / SD card switch PREV / next / fast forward / fast reverse / volume adjustment / play / pause / single cycle / mute / shut off / direct Selection song
- Supports Bluetooth PREV / next / fast forward / fast reverse / volume adjustment / play / pause / single cycle / mute / shut off
- Supports FAT 16 / FAT 32; Supports MP1 layer / MP2 Layer / MP3 Layer
- Supports 32~320Kbps MP3
- Supports power cut memory function: Remember the song and the volume before power cut
- Working voltage: 12V; Current: 800mA~1A
- Including panel decoder remote control 2-pin plug wire with reverse voltage protection 3-pin audio plug wire
- Packing List:
- 10 x MP3 decoding board
- 10 x Remote control (1 x CR2025 battery, included)
Dimensions: 4.21 in x 1.54 in x 1.02 in (10.7 cm x 3.9 cm x 2.6 cm)
Weight: 0.78 oz (22 g)
 
 
can not use the router power!Can not use the charger power supply!Can be between 7 v and 12 v power supply in the family use, must be full wave rectifier, greater than 2200 uf capacitor filter to decode board after use.If take power in the power amplifier board, please note that if it is a dual power supply, power amplifier board can not meet in any power on all the way to decoding of double power supply circuit board power supply.Also can damage decoding board!Please separate to decode board power supply vehicle modified power requirement: decoding board power suggested in CDS circuit board through regulated power supply (not in the CD machine behind the terminal), decoding board can be stable job, also can avoid the common interference.Please don't pick up on the cigarette lighter or battery, vulnerable to automobile throttle size change caused by voltage change, and damage the decoder board.