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Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 4/ 5/6/6.35mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 4/ 5/6/6.35mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 4/ 5/6/6.35mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 4/ 5/6/6.35mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 4/ 5/6/6.35mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 4/ 5/6/6.35mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 4/ 5/6/6.35mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 4/ 5/6/6.35mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 4/ 5/6/6.35mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

8W USB Input DC-DC 5V to 12V Converter Step Up Module Power Supply Boost Module
Description:
If the input voltage is 6 v power output can be reached around 9 to 10 w, if use the battery booster, the output power can be done about 6 to 7 w, considering the pressure drop loss problem, battery produces maximum continuous use power within 5 w!So as not to damage the battery!
Start Voltage: DC 1V
DC Input: DC 2V-6V
DC Output: DC 12V
Maximum Output: 8W
Maximum efficiency: 90%
Package included:
1 Pcs DC-DC 5V to 12V Converter Step Up Module

SOP16 SSOP16 TSSOP16 To DIP DIP16 0.65/1.27mm IC Adapter PCB Board
Description:
1.Name:TSSOP16 conversion board
2.Pin Space:0.65mm/1.27mm
3.Size:15.6*21mm
Package included:
20 Pcs SOP16 SSOP16 TSSOP16 To DIP DIP16 0.65/1.27mm IC Adapter PCB Board

95DB Alarm High-decibel 3-24V 12V Electronic Buzzer Beep Alarm Intermittent Continuous Beep For Uno SFM-27
 
 
 
Description:
Color: White
Quantity: 1 pc
Alarm Diameter: 29mm / 1.14"
Alarm Height: 15mm / 0.59”
2 Mounting Holes distance: 40mm / 1.57"
2 Wires length: 105mm / 4.13"
Rated Voltage: 12V
Operating Voltage: 3-24V
Rated Current(MAX): 20mA
Min Sound Output at 10 cm: 95 DB
Resonant Frequency: 3100±500
Operating Temperature: -20～ 80℃
Intermittent Sound
 
Package included:
1 Pcs Buzzer Alarm
 

 
LM1117 AMS1117 4.5-7V Turn 3.3V 5.0V 1.5V DC-DC Step Down Power Supply Module for Arduino Bluetooth Raspberry Pi
 
    
 
Description
AMS117-3.3 board :
 AMS1117-3.3 chip
 Input voltage range of 4.75V-12V
 Output: 3.3 V, 800 mA
AMS117-5.0 board :
 AMS1117-5.0 chip
 Input voltage range of 4.75V-12V
 Output: 5.0 V, 800 mA
 
Package Included
1 Pcs AMS1117 Module
 
 

 
LM1117 AMS1117 4.5-7V Turn 3.3V 5.0V 1.5V DC-DC Step Down Power Supply Module for Arduino Bluetooth Raspberry Pi
 
    
 
Description
AMS117-3.3 board :
 AMS1117-3.3 chip
 Input voltage range of 4.75V-12V
 Output: 3.3 V, 800 mA
AMS117-5.0 board :
 AMS1117-5.0 chip
 Input voltage range of 4.75V-12V
 Output: 5.0 V, 800 mA
 
Package Included
1 Pcs AMS1117 Module
 
 

DHT11 Temperature And Relative Humidity Sensor Module For Uno Digital Output 5V Doupont Cable
Description:
100% brand new and high quality
DHT11 sensor adopts
The module can detect surrounding environment of the humidity and temperature
High reliability and excellent long-term stability
output form digital output
has fixed bolt hole and easy installation
Cables are free for you
 
Specification:
Humidity measurement range: 20% ~90% RH
Humidity measurement error: ±5% RH
Temperature measurement range: 0~60
Temperature measurement error: ±2
Working voltage :5 V
Size: 28x12x8mm
 
Package includes:
1 Pcs DHT11 module
3 Pcs Dupont Cables

Wireless Transceiver NRF24L01 2.4GHz Antenna Module for Arduino Microcontroll Module PCB Antenna
 

 
 
Description
NRF24L01
NRF24L01 is a work in the 2.4-2.5GHz worldwide ISM band single-chip transceiver, wireless transceiver, including: the frequency generator the enhanced SchockBurstTM mode controller power amplifier crystal amplifier modulator demodulator output power channel selection and protocol set by the SPI interface to set a very low current consumption, lower current consumption mode 12.3mA Power-down mode and standby mode when in transmit mode emission power 6dBm when current consumption is 9.0mA acceptance model.
Ball to open ISM band maximum 0dBm transmit power, license-exempt use. The open 100 meters!
Support six channels of data reception
(1) low operating voltage: 1.9 ~~ 3.6V low-voltage
(2) high-rate: 2Mbps, air transmission time is very short, greatly reducing the wireless transmission of collision phenomena (software settings 1Mbps or 2Mbps air transmission rate)
(3)Multi-frequency points: 125 frequency points, to meet the multi-point communications and frequency hopping communications needs
(4)ultra-compact: built-in 2.4GHz antenna compact 15x29mm (including antenna)
(5)Low power consumption: when in answer mode communication, fast air transmission and start-up time greatly reduces the current consumption.
(6)Low application cost: NRF24L01 integrates all RF protocol high-speed signal processing section, such as: automatically resend lost packets and automatically generate an acknowledge signal, etc. the nRF24L01 The SPI interface can take advantage of the microcontroller hardware SPI port or microcontroller I / O port to simulate the internal FIFO can be used with a variety of low-speed microprocessor interface, easy to use low-cost microcontroller.
(7)facilitate the development: the link layer is fully integrated in the module, very easy to develop. Automatic retransmission function, automatic detection and retransmission of lost packets, the retransmission time and the number of retransmission can be software-controlled automatic storage is not received the packet of the response signal auto-answer, after the receipt of a valid data, the module automatically sends the reply fixed frequency detection signals without any additional programming Carrier Detect - built-in hardware CRC error detection and point-to-multipoint communication address control packet transmission error counter and carrier detection can be used for frequency hopping set can also set up six to receive the channel address, can have a choice of open receive channel standard the pin Dip2.54MM spacing interfaces for embedded applications.
 
Package Included
1 Pcs NRF24L01 Antenna Module

Wireless Transceiver NRF24L01 2.4GHz Antenna Module for Arduino Microcontroll Module PCB Antenna
 

 
 
Description
NRF24L01
NRF24L01 is a work in the 2.4-2.5GHz worldwide ISM band single-chip transceiver, wireless transceiver, including: the frequency generator the enhanced SchockBurstTM mode controller power amplifier crystal amplifier modulator demodulator output power channel selection and protocol set by the SPI interface to set a very low current consumption, lower current consumption mode 12.3mA Power-down mode and standby mode when in transmit mode emission power 6dBm when current consumption is 9.0mA acceptance model.
Ball to open ISM band maximum 0dBm transmit power, license-exempt use. The open 100 meters!
Support six channels of data reception
(1) low operating voltage: 1.9 ~~ 3.6V low-voltage
(2) high-rate: 2Mbps, air transmission time is very short, greatly reducing the wireless transmission of collision phenomena (software settings 1Mbps or 2Mbps air transmission rate)
(3)Multi-frequency points: 125 frequency points, to meet the multi-point communications and frequency hopping communications needs
(4)ultra-compact: built-in 2.4GHz antenna compact 15x29mm (including antenna)
(5)Low power consumption: when in answer mode communication, fast air transmission and start-up time greatly reduces the current consumption.
(6)Low application cost: NRF24L01 integrates all RF protocol high-speed signal processing section, such as: automatically resend lost packets and automatically generate an acknowledge signal, etc. the nRF24L01 The SPI interface can take advantage of the microcontroller hardware SPI port or microcontroller I / O port to simulate the internal FIFO can be used with a variety of low-speed microprocessor interface, easy to use low-cost microcontroller.
(7)facilitate the development: the link layer is fully integrated in the module, very easy to develop. Automatic retransmission function, automatic detection and retransmission of lost packets, the retransmission time and the number of retransmission can be software-controlled automatic storage is not received the packet of the response signal auto-answer, after the receipt of a valid data, the module automatically sends the reply fixed frequency detection signals without any additional programming Carrier Detect - built-in hardware CRC error detection and point-to-multipoint communication address control packet transmission error counter and carrier detection can be used for frequency hopping set can also set up six to receive the channel address, can have a choice of open receive channel standard the pin Dip2.54MM spacing interfaces for embedded applications.
 
Package Included
1 Pcs NRF24L01 Antenna Module

Wireless Transceiver NRF24L01 2.4GHz Antenna Module for Arduino Microcontroll Module PCB Antenna
 

 
 
Description
NRF24L01
NRF24L01 is a work in the 2.4-2.5GHz worldwide ISM band single-chip transceiver, wireless transceiver, including: the frequency generator the enhanced SchockBurstTM mode controller power amplifier crystal amplifier modulator demodulator output power channel selection and protocol set by the SPI interface to set a very low current consumption, lower current consumption mode 12.3mA Power-down mode and standby mode when in transmit mode emission power 6dBm when current consumption is 9.0mA acceptance model.
Ball to open ISM band maximum 0dBm transmit power, license-exempt use. The open 100 meters!
Support six channels of data reception
(1) low operating voltage: 1.9 ~~ 3.6V low-voltage
(2) high-rate: 2Mbps, air transmission time is very short, greatly reducing the wireless transmission of collision phenomena (software settings 1Mbps or 2Mbps air transmission rate)
(3)Multi-frequency points: 125 frequency points, to meet the multi-point communications and frequency hopping communications needs
(4)ultra-compact: built-in 2.4GHz antenna compact 15x29mm (including antenna)
(5)Low power consumption: when in answer mode communication, fast air transmission and start-up time greatly reduces the current consumption.
(6)Low application cost: NRF24L01 integrates all RF protocol high-speed signal processing section, such as: automatically resend lost packets and automatically generate an acknowledge signal, etc. the nRF24L01 The SPI interface can take advantage of the microcontroller hardware SPI port or microcontroller I / O port to simulate the internal FIFO can be used with a variety of low-speed microprocessor interface, easy to use low-cost microcontroller.
(7)facilitate the development: the link layer is fully integrated in the module, very easy to develop. Automatic retransmission function, automatic detection and retransmission of lost packets, the retransmission time and the number of retransmission can be software-controlled automatic storage is not received the packet of the response signal auto-answer, after the receipt of a valid data, the module automatically sends the reply fixed frequency detection signals without any additional programming Carrier Detect - built-in hardware CRC error detection and point-to-multipoint communication address control packet transmission error counter and carrier detection can be used for frequency hopping set can also set up six to receive the channel address, can have a choice of open receive channel standard the pin Dip2.54MM spacing interfaces for embedded applications.
 
Package Included
1 Pcs NRF24L01 Antenna Module

1 can not be normal delivery.
thanks for your cooperation!
 
2 Section 18650 lithium battery bracket, electric vehicle battery bracket, fixed combination bracket, 2 lithium battery bracket

 
Description:
18650 cylindrical battery holder, fire retardant pc pp gp materials 
 
Material:pc pp gp
Main Color:Black 
Size:42*22mm
Inner Dia:18.5mm
Net Weight:8g
 
Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is /-1-3 cm.
 
Package Include:
1 Pcs Battery Holder

MT8870 DTMF Voice decoding module phone module
Description:
1.on-board decoding chip MT8870 complex frequency
2.on-board voice input interface
3.onboard five LED indicators for easy viewing output state
4.the main chip pins basically have been drawn
5.PCB size: 26.5 (mm) x24.5 (mm)
Package Included
1 PCS MT8870 DTMF Voice decoding module

 
8 channel WS2812 5050 RGB LED lights built-in full color-driven development board
Description:
Intelligent reverse connect protection, the power supply reverse connection does not damage the IC.
The control circuit and the LED share the only power source.
Control circuit and RGB chip are integrated in a package of 5050 components, form a complete control of pixel
 point.
Built-in signal reshaping circuit, after wave reshaping to the next driver, ensure wave-form distortion not
 accumulate.
Built-in electric reset circuit and power lost reset circuit.
Each pixel of the three primary color can achieve 256 brightness display, completed 16777216 color full color
 display, and scan frequency not less than 400Hz/s.
Cascading port transmission signal by single line.
Any two point the distance more than 5m transmission signal without any increase circuit.
When the refresh rate is 30fps, cascade number are not less than1024 points.
Send data at speeds of 800Kbps.
The color of the light were highly consistent, cost-effective..
Applications:
Full-color module, Full color soft lights a lamp strip.
LED decorative lighting, Indoor/outdoor LED video irregular screen.
Package Included:
1 X WS2812 5050 RGB LED Module

SW-420 Normally Closed Alarm Vibration Sensor Module Vibration Switch
Description:
Use：
For a variety of vibration triggering action, reported theft alarm, intelligent car, earthquake alarm, motorcycle alarm and so on.
Compared with the constant-open vibration sensor module, this module has a longer vibration trigger, which can drive the relay module
Module Features:
1, the use of the company produced SW-420 constant-closed vibration sensor,.
2, the comparator output, the signal is clean, the waveform is good, the drive ability is strong, surpasses 15mA
3. Working voltage 3.3v-5v
4, Output form: Digital switching output (0 and 1)
5. Fixed bolt hole for easy installation
6, small board PCB size: 3.2cm x 1.4cm
7. Using wide voltage LM393 comparator
Module Usage Instructions:
1, the product does not vibrate, the vibration switch is closed conduction state, output low level, green LED light;
2, product vibration, vibration switch instantaneous disconnect, output output high level, green indicator is not bright;
3, the output can be directly connected with the Single-chip computer, through the single-chip computer to detect high-low level, so as to detect whether the environment has a vibration, alarm effect
Package includes:
1 Pcs  SW-420 Normally Closed Alarm Vibration Sensor Module

 
KY-032 4pin IR Infrared Obstacle Avoidance Sensor Module Diy Smart Car Robot KY032
 

 
Description:
Working voltage: DC 3.3V-5V
Working current: 20mA
Working temperature: -10degree 50degree
Detection distance : 2-40cm
IO interface: 4 line (-/ /S/EN)
Output signal: TTL Level
Adjusting mode: Multi resistance regulation
Effective angle: 35°
Size: 4.5x1.1cm(approx)
 
Package Included:
1 Pcs  IR Infrared Obstacle Avoidance Sensor Module
 

LM358 100 times gain Signal amplification amplifier Operational Amplifier Module
 
Description:
Brand new with high quality
1 onboard LM358 chip
2 100 gain of circuit design
3 onboard 10K adjustable resistance, you can adjust the magnification
4 on-board power indicator
5 the chip has been drawn primarily pin can be directly input and output signals
6 Operating Voltage: 5 ~ 12V
7 board size: 32.7 (mm) x13.3 (mm)
 
Packaging list：
1 Pcs LM358 100 times gain Signal amplification amplifier

 
ESC Power Distribution Board for APM/CC3D/MWC Multiwii/KK MultiCopter Quadcopter
 
Description:
High quality material, fashionable and durable. 
Material: Glass Fiber 
Color: As the Picture Show 
The Pitch of the Edge: 4.5cm/1.77" (Approx.) 
Compatible with MK KK flight control installment pitch of holes. 
Compatible with MK KK flight control system. 
Can Connect 1-8 ESC 
 
Package included:
1 Pcs Distributing Board of ESC
 

 
 
IR Infrared 4 Wire Flame Detection Sensor Module IR Flame Sensor Module Detector Smartsense for Uno
 

 
Description:
One can detect a flame or in a 760 nanometer wavelength of ~ 1100 nm range of the light, lighter flame test distance of 80cm, for the greater flame , the farther the distance test
The detection angle of 60 degrees or so , particularly sensitive to the flame spectrum
Sensitivity adjustable ( shown in blue digital potentiometer adjustment )
The comparator output signal clean, good waveform , driving ability , more than 15mA
With adjustable precision potentiometer sensitivity adjustment
The working voltage of 3.3V-5V
The output format : digital switching outputs ( 0 and 1 )
A fixed bolt holes for easy installation
Small plates PCB Size : 3.2cm x 1.4cm
Using a wide voltage LM393 comparator
 
Package Included:
1 Pcs 4pin Flame Sensor Module
 

TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch Barrier Line Track Module for Arduino Diode Triode Board 3.3v
 
 
Description
The electricity meter pulse data sampling
Fax machine, shredder paper detection
Obstacle detection
Black and white line detection
 
Module features:
Using infrared reflection sensors TCRT5000
Test reflection distance: 1mm to 25mm
Clean and 3, the comparator output, signal waveform,
driving ability is strong, for more than 15 ma.
With many adjustable precision potentiometer to adjust sensitivity
The working voltage of 3.3V to 5V
Output form: digital switch output (0 and 1)
Has a fixed bolt hole, convenient installation
Small board PCB size: 3.2cm x 1.4cm
The LM393, use of wide voltage comparator
Size:3.1x1.3cm(approx)
 
Module functions is introduced:
TCRT5000 sensor of infrared emission diode constantly launch infrared,
the infrared ray is emitted when the intensity of reflected back has not been reflected or but is not big enough,
the light activated triode has been in the off state,
the output end of the module at this time for the high level,
indicating diode has been put out state;
detected objects appear within the scope of testing,
infrared light is reflected back and strength is enough big,
light activated triode saturation,
at this time the output of the module for the low level, instructs the diode lights.
 
Package Included
1 Pcs TCRT5000 Obstacle Avoidance Infrared Track Sensor Module

 
 
MAX3232 RS232 To TTL Serial Port Converter Module DB9 Connector MAX232
 

 
Description:
This product is widely used in radio modifications , cell phone Flash , XBO X360 Flash detection , GPS , car , DVD Flash , HDD repair , set-top box upgrade .
 
Can be used to download MCU types :
STC single - chip microcomputer
STM32 microcontroller
NX P microcontroller
Renesas MCU
NE C MCU
Communications IC : MAX3232
Working voltage : 3.3V-5.5V
Interface : T X RX VCC GND
 
Package Included:
1 Pcs  RS232 To TTL Converter Module
 

EC5 RC Connector Female Male Bullet Gold Connector plug For RC Lipo Battery
 
Description:
Capable of 120 continuous amps w/ 10 awg wire
5MM bullet connectors
Ergonomically pleasing and easy to grip
Protected to avoid shorting and reverse polarity
Superior technology suited to today's advanced applications
Designed with convenience and reliability in mind
 
Parallel EC5
End A: 4.0 Golden connector. Wire: 12AWG Silicone Wire. L=100mm
End B:EC5 Female. Wire: 14AWG Silicone Wire. L=150mm
 
Package included:
1 Pairs EC5 Device Connector Plug
 

KY-039 Finger Heartbeat Detection Sensor Module For Arduino
Description
This project uses bright infrared (IR) LED and a phototransistor to detect the pulse of the finger, a red LED flashes with each pulse.
Pulse monitor works as follows: The LED is the light side of the finger, and phototransistor on the other side of the finger, phototransistor used to obtain the flux emitted, when the blood pressure pulse by the finger when the resistance of the phototransistor will be slight changed.
We chose a very high resistance resistor R1, because most of the light through the finger is absorbed,it is desirable phototransistor sensitive enough.Resistance can be selected by experiment to get the best results.
The most important is to keep the shield stray light into the phototransistor. For home lighting that is particularly important because the lights at home mostly based 50HZ or 60HZ fluctuate, so faint heartbeat will add considerable noise.
Package Included
1 Pcs Finger Measuring Heartbeat Sensor Module

Mini Jack 3MM High Sensitivity Microphone Sensor Module Microfono Amplifier Module DIY For Smartphone Microphone Voice Sound Sensor Module

Description
This is microphone voice sound sensor module for Arduino
Model: KY-038
Adopt LM393 main chip
Electric condenser microphone
Features Single channel signal output
Low level output signal used for sound control light
Great module for sound alarm system
Working voltage: For DC 4-6V
Interface definition:
AO: analog output sensor
GND: ground
VCC: Power supply input range: 3V-24V.
DO: Digital Output (comparator output)
Two red LED indication: POWER and SENSOR. POWER: Power is off. SENSOR:
When the microphone senses sound reaches a certain value, this LED light.
Package Included
1 Pcs Voice Sound Sensor Module

 
3.5mm Jack Audio Cable Jack 3.5 Mm Male To Male Audio Aux Cable for Samsung S10 Car Headphone Speaker Wire Line Aux CordSpeaker
 
 
Description
1.100% brand new and high quality
2.Enable you enjoy your music conveniently
3.Easy to use, just plug and play
4.Gold-plated connectors provide superior for protection against corrosion.
5.Compatible with nearly all cell phones, MP3, for iPhone, for iPod, PC, speaker that with 3.5mm audio jack.
Specification:
Length:1.5m(3ft)
Interface: 3.5mm male to 3.5mm male
Color: black
 
Package Included
1 Pcs 3.5mm Male to Male Stereo Audio Cable

 
Micro SD Storage Expansion Board Micro SD TF Card Memory Shield Module SPI for Arduino Promotion
 
 
Description
Support Micro SD Card, Micro SDHC card (high-speed card)
The level conversion circuit board that can interface level is 5V or 3.3V
Communication interface is a standard SPI interface
Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground,
VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin;
3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply;
Level conversion circuit: Micro SD card into the direction of signals into 3.3V, MicroSD card toward the direction of the control interface MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal;
Micro SD card connector: yes since the bomb deck for easy card insertion and removal.
Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm, easy to install positioning, to achieve inter-module combination;
Specifications:
Power supply:4.5V - 5.5V, 3.3V voltage regulator circuit board
Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm
Control Interface: GND, VCC, MISO, MOSI, SCK, CS
 
Package Included
1 Pcs SD / TF Card Module
 

 
Micro SD Storage Expansion Board Micro SD TF Card Memory Shield Module SPI for Arduino Promotion
 
 
Description
Support Micro SD Card, Micro SDHC card (high-speed card)
The level conversion circuit board that can interface level is 5V or 3.3V
Communication interface is a standard SPI interface
Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground,
VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin;
3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply;
Level conversion circuit: Micro SD card into the direction of signals into 3.3V, MicroSD card toward the direction of the control interface MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal;
Micro SD card connector: yes since the bomb deck for easy card insertion and removal.
Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm, easy to install positioning, to achieve inter-module combination;
Specifications:
Power supply:4.5V - 5.5V, 3.3V voltage regulator circuit board
Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm
Control Interface: GND, VCC, MISO, MOSI, SCK, CS
 
Package Included
1 Pcs SD / TF Card Module
 

 
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM for Uno Relay
Description:
1.the new 5V Relay Module
2.can be used as microcontroller development board module can be used as home appliance control
3.5 V-12V to TTL control signal
4.the control signal DC or AC, 220V AC load can be controlled.
5.there is a normally open and one normally closed contact
6.a power indicator light
7.a control indicator, pull off, disconnect does not shine
8.transistor drive to increase the relay coil control pins high impedance.
9.the control pin has a pull-down circuit to prevent malfunction relay vacant
 
Package included:
1 Pcs 1 Channel Relay Module

48:1 Plastic DC Drive Gear Motor wheel Tyre Tire For Smart Robot Car wheels 
Description:
1 this Drive Gear Motor reduction ratio is 1:48.
2 rotate speed:125RPM
3 no load current (6 v) : 70 ma
4 torque size (6 v) : 5500mg*cm
5 size(LxWxH): 70.50 mm x 27.00 mm x 23.00 mm
6 working voltage: 3-6 v
 
Package Include:
1 Pcs Gear Motor
1 Pcs Tires

 
WS2812 WS2811 RGB 5050 LED Breakout module for Arduino

Features:
100% Brand new and high quality!
This is a breakout board for the built in WS2812 RGB LED.
The WS2812 is actually an RGB LED with a WS2811 built right into the LED!
All the necessary pins are broken out to 0.1" spaced headers for easy bread-boarding.
Several of these breakouts can be chained together to form a display or an addressable string.
Specifications:
Color: red
Size: 1.7*1.2cm
Package includes:
1 Pcs WS2812 RGB 5050 LED Breakout module For arduino
 
 
 

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 6/6.35/8/9.5/10mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 6/6.35/8/9.5/10mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 6/6.35/8/9.5/10mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 6/6.35/8/9.5/10mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 6/6.35/8/9.5/10mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 6/6.35/8/9.5/10mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 6/6.35/8/9.5/10mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

Hot sale 4pcs D19L25 CNC Motor Jaw Shaft Coupler Flexible Coupling OD 19x25mm wholesale Dropshipping 6/6.35/8/9.5/10mm
Description:
Please note:Picture just as a reference.the actual delivered goods shall prevail!
Please check which Size and the Quantity  you need . 
OD:19mm Length:25mm flexible coupling
 
Package included:
1 Pcs OD:19mm Length :25mm flexible coupling

1 can not be normal delivery.
thanks for your cooperation!
 
1 Section 18650 lithium battery bracket, electric vehicle battery bracket, fixed combination bracket, 1 lithium battery bracket
 
Description:
18650 cylindrical battery holder, fire retardant pc pp gp materials 
 
Material:pc pp gp
Main Color:Black 
Size:22*22mm
Inner Dia:18.5mm
Net Weight:4g
 
Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is /-1-3 cm.
 
Package Include:
1 Pcs Battery Holder

DRV8833 2Channel DC Motor Driver Module Board 1.5A 3V-10V
Description:
1. Size:18.5*16mm
2. Input voltage:3V-10V
3. Single H-Bridge output current:1.5A(It can drive two DC motor)
4. Overcurrent protection:YES
5. Short circuit protection:YES
6. Undervoltage lockout:YES
7. Overheating protection:YES
8. With a low-power sleep mode
 
Feature:
1. ULT PIN:mode set.Low level is sleep mode
2. OUT1,OUT2:1-channel H-bridge controlled by IN1/IN2
3. OUT3,OUT4:2-channel H-bridge controlled by IN3/IN4
4. EEP PIN:Output protection.Default no need to connect.
5. VCC:3-10V
6. GND
 
Application:
1. DC motor which drive current is less then 1.5A
2. 4-wire step motor
 
Package Includes:
1 Pcs DRV8833 2Channel DC Motor Driver Module

Thermostat 10C-240C KSD9700 250V 5A 40C 50C 60C 65C 70C 75C Bimetal Disc Temperature Switch N/C Thermal Protector Degree Centigrade
 
    
 
Description
Part No: KSD9700
Temperature: 40/50/60/65/70/75/80/85/90/95/100/105 Degree Celsius
N.O./N.C.: (N.C.) Normally Closed
5A250V temperature switch thermostat Thermal Protector
 
Product application
Be applicable to all kinds of home appliances and electronics products. Such as Electric Motors, Fluorescent Ballasts, Battery Chargers, Transformers, Solenoids, Heating pads, OA-Machines ETC.
 
The metals outer shell type the product outer shell take an electricity, should add to insulate a coat.
 
Package Included
1 Pcs KSD9700 250V 5A Thermostat

 
USB-02 MINI USB Turn DIP Female Head Socket MINI Sop To Dip Has Welding Adapter Plate

 
11MM Mouse Encoder Wheel Encoder Repair Parts Switch

Description:
5 million long mechanical life
Size: 1.8x0.9cm/0.71x0.35inch
 
Note:
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
 
Package Included:
10 Pcs Mouse Encoder