Single Row 40 Pin Male 2.54 Breakable Pin Header Connector Strip

LM1117/AMS1117 3.3V DC-DC Step down Power Supply Module (4.5-7 VIn, 3.3 VOut)

MICRO USB-B POWER SWITCH MODULE

One Key Matrix Membrane Switch Keypad Keyboard

IR Receiver & Flame Detection Module (KY-026)

Tactile Button Switch Module 6x6x5mm (KY-004)

1x4 (4 Key) Matrix Membrane Keypad

4 Channel LLC I2C/IIC Logic Level Converter Bi-Directional Module 5V to 3.3V (DIY Soldering Needed)

Speed Sensor/Tacho Sensor (Slot-Type Optocoupler)

5mm RGB LED Module (KY-016 FZ0455)

Capacitive Touch Switch Sensor Module (TTP223B)

1x4 Membrane Matrix Array No-Label Keypad

Passive Buzzer Module

KY-018 Light Detection Sensor Module (LDR Arduino)

650nm Red Laser Transmitter Module

JoyStick Module KY-023 (Arduino)

KY-012 Active Buzzer Module

KY-013 Analog Temperature Sensor Module (Arduino)

Mini Digital Stereo Audio Power Amplifier PAM8403 Module (3Watt Amp)

Rotary Encoder Module (KY-040)

WS2811/WS2812 RGB LED Module

Capacitive Touch Switch Button Self-Lock Module (11.5mm x 8mm)

IR Infrared Obstacle Avoidance Sensor Module

Water Level Sensor Module (Arduino)

LM393 Light Detection Sensor Module (4-pin LM393 LDR Digital & Analog)

Tilt Switch Sensor Module (KY-020)

LM393 Light Sensor Module

1-Key BLUE Membrane Button Switch

4x4 Matrix 16 Keys Button Keypad

MQ Gas Sensor Carrier Board

Serial Micro-SD Card Module

Tilt Switch Sensor Module

Shock Vibration Switch Module (KY-002)

DS1302 RTC Real Time Clock Module

Soil Moisture (Humidity) Sensor Module

4x4 Matrix (16 Key) Membrane Keypad

18650 Lithium Battery Charging Module (5V Micro USB 1A)

LM386 Audio Amplifier Module (200 Gain)

DS1307 RTC Real Time Clock Module

HX711 LOAD CELL SENSOR MODULE

Infrared (IR) Wireless Remote Control Module HX1838

1x2 Membrane Matrix Array Plus & Minus Keypad

24V Relay FTR-F4AK024T

Snow & Rain Detection Sensor Module

Digital Hall Magnetic Sensor Module (KY-035 3pin)

1x2 Membrane Matrix Array Up & Down Keypad

Percussion Knock Sensor Module (KY-031)

MT3608 DC-DC Boost Module 2A (Step Up Power Supply)

TCRT5000 Infrared Line Tracking & Tracing Sensor Module

Universal IR Infrared Sensor Receiver Module (KY-022)

Fingers-Heartbeat Sensor Module (KY-039)

TTL to RS485 Converter Module (Arduino)

Reed Sensor Module (MagSwitch)

4x3 Matrix (12 Key) Membrane Keypad

RECOM RFB 1W ISOLATED DC-DC CONVERTER (5V IN/OUT, 200MA)

KY-011 5mm Two Color LED (Red and Green) Module (Arduino)

1x2 Membrane Matrix Array Red & Yellow Keypad

SIGNAL AMPLIFIER OP-AMP MODULE (LM358)

5V 1-Channel H/L Trigger Optocoupler Relay Module

Laser Receiver Module

MOSFET Relay Module (0-24V Mosfet IRF520)

TTP223 Capacitive Touch Sensor Module

1-Channel Relay Module (5V Low-Level-Trigger )

Digital Power Amplifier Module (PAM8403, 2*3W, 2.5V-5V)

LCD Adapter Plate I2C (LCD1602)

SX1308 DC-DC Adjustable Step Up Power Booster Module (2-24V to 2-28V 1.2MHz 2A)

KY-034 Automatic 7 Color Colour Flashing LED Module (Arduino)

DC 0-25V Voltage Sensor Module (Voltmeter Arduino)

4x2 (8 Key) Matrix Keyboard Module

TTP224 4-Key Digital Capacitive Touch Keypad Module

KY-017 3pin Mercury Switch Module (Arduino Tilt-Sensor)

Digital & Analog Temperature Sensor Module (KY-028)

Microphone Audio & Sound Detection Sensor Module (KY-037)

MAX3232 Mini RS232 to TTL Converter (3-5V)

HC-SR501 Adjustable Pyroelectric Infrared (PIR) Motion Sensor Module

LM2596 Voltage Regulator Module (Buck Adjustable Step Down, Vin 3.5V - 40V, Vout 1.5V - 35V)

Mini 5V Traffic Light LED Display Module

MQ-4 GAS SENSOR (METHANE & NATURAL GAS)

MQ-7 GAS SENSOR (CARBON MONOXIDE)

NE555 Adjustable Pulse Frequency Generator Module

1x4 Membrane Matrix Array Movie Keypad

5V USB -Output Charger (Step Up Power Module)

4-Digit 7-Segment Display Module (TM1637)

NRF24L01 Socket Adapter

2-Channel Relay Module (5V Low-Level-Trigger )

H201 RF Receiver Module + RF Transmitter Module (433MHZ)

Temperature Sensor Module (KY-001 3pin DS18B20)

TLP281 4-Channel Opto-isolator

USB - TTL SERIAL USART MODULE (PL2303/YP-01)

MQ-2 Smoke/Liquefied-Flammable Gas Sensor Module

Magic Light Cup Module (KY-027)

IR Infrared Receiver Module

15KV High Voltage Generator (Arc Ignition Inverter, Step Up Boost Coil)

Dot Matrix Display (No Driver)

3-Key Up-Down-OK Membrane Matrix Array Keypad 1x3

Infrared (IR) Transmitter Module

Ambient Light Sensor Module (TEMT6000)

Universal LiPo Charger (4.2V/7.4V 2A)

3x4 Membrane Matrix Array Numeric Keypad

10mm RGB LED Module

HY-SRF05 Ultrasonic Distance Measuring Sensor Module

RFID Proximity Card Kit (RFID Reader/Writer Module + RFID Keyring Tag + RFID Card)

Microphone Module

Voice & Sound Detection Module

1x8 Membrane Matrix Array PC/TV Keypad

2.4GHz Wireless Transceiver SMD Module (NRF24L01, onboard antenna, SMD pins)

Lilypad Buzzer Module

Digital Temperature And Relative Humidity Sensor Module (KY-015 3pin DHT11)

5V Relay (16A 250VAC, SMIH-05VDC-SL-C)

AC-DC 5V 800mA 110V/220V to DC 5V Power Supply Module (Buck Converter Step Down Board Transformer)

Transparent Arduino Uno Enclosure Box

20 Key Membrane Matrix Array Keypad 4x5

2-Channel Optocoupler 12V Relay Module (10A/250V AC; 10A/30V DC)

2.4GHz Wireless Transceiver Module (NRF24L01, onboard antenna)

CH340G USB to Serial module (5V, 3.3V)

HC-SR04 Ultrasonic Distance Measuring Sensor Module

Serial SD Card Module

ESP01 Serial WiFi Power Regulator Adapter (ESP8266 compatible)

MQ-3 Alcohol/Ethanol Sensor Module

MQ-7 Carbon Monoxide (CO) Gas Sensor Module

MQ-8 Hydrogen Gas Sensor Module

MQ-9 Combustible Gas (Carbon Monoxide, Methane and LPG) Sensor Module

1x5 Membrane Matrix Array Switch Keypad (Red/Yellow/Yellow/Yellow/Green)

12V Relay (10A 250VAC, SRD-12VDC-SL-C)

Metal & Human Body Touch Sensor Module (KY-036)

12V Relay (16A 250VAC, SMIH-12VDC-SL-C)

Blax JoyStick Module (Gaming Joystick)

BAROMETRIC PRESSURE SENSOR MODULE (BMP180)

2-CHANNEL RELAY MODULE (12V LOW-LEVEL-TRIGGER )

Proto Shield (Arduino Uno)

24V Relay (10A 250VAC, SRD-24VDC-SL-C)

1-Channel Solid State Relay (SSR) High Level Trigger

Five Direction (5D) Game Joystick Button Module

Serial Wireless WIFI Module (ESP8266 )

Big Button Module 5-Colour Set

5V 1A Ultra-small Li-ion Lithium Battery Charger Module (DD08CRMB)

Lilypad Temt6000 Light Sensor Module

CH340 USB to ESP8266 Wifi Module Adapter

801S Highly Sensitive Vibration Sensor

Dot Matrix Display Module (MAX7219)

NRF24L01 2.4GHz Wireless Transceiver Module

LM7805 5V Voltage Regulator Module

IR Infrared Obstacle Avoidance Sensor Module (KS)

4x4 Matrix (16 Key) Keypad

24V Relay (16A 250VAC, SMIH-24VDC-SL-C)

Keyestudio Digital Tilt Motion Sensor

4 Channel Remote (315Mhz) + Receiver Module (315Mhz)

Analog Capacitive Soil Moisture Sensor

FM Stereo Radio Module RDA5807M Wireless Module

4-Channel 12V Optocoupler Relay Module (10A/250V AC; 10A/30V DC; Negative Trigger)

433Mhz Superheterodyne Wireless Receiver Module (315M RXB6)

48V Relay (10A 250VAC, SRD-48VDC-SL-C)

1x5 Membrane Matrix Array Controller Keypad

ADXL345 3-Axis Accelerometer Module

3-Axis High Precision Compass Magnometer Module (AK8975)

High-quality WT588D-16p Voice/Audio Module

Voice Recording & Playback Module ISD1820 with Microphones + Loudspeaker (8Ohm, 0.5Watt)

MQ-4 LPG Methane/Hydrogen Gas Sensor Module

RS232 Serial Port Module (MAX3232CSE)

24V 30A 1-Channel Relay Module with Optocoupler H/L Level Triger

Steam Sensor Module (DFRobot)

Ambient Light Sensitivity Sensor Module (Temt6000)

MP3 Player Module (DFPlayer Mini)

1-CHANNEL HIGH POWER RELAY MODULE (5V, 30A H/L-TRIGGER )

3-Axis Compass Magnetometer Module (GY-273 QMC5883L)

5V RGB LED Matrix (WS2812B 4x4 16-Bit)

120 Degree Pyroelectric Infrared PIR Sensor

Micro USB ATtiny ISP AVR (5V USBtinyISP)

TTP229 16-Key Digital Capacitive Switch Touch Sensor Module

Multi-functional Arduino Learning Shield

2.4GHz Long Distance Wireless Transceiver Module (NRF24L01, 1 Kilometer Range, 2Mb per second)

5 Way Flame/Heat Sensor Module

Digital Light Intensity Sensor Module (BH1750FVI)

DC Temperature Sensor Module (3.3V-12V NTC-10K +/-10% Thermistor)

Electret Microphone Amplifier GY-MAX4466 Module

HB100 Microwave Sensor Module (10.525GHz Doppler Radar Motion Detector)

Heart Rate Pulse Sensor

Double 10K Ohm Sliding Row Linear Potentiometer Mixer Module

4-CHANNEL RELAY MODULE (12V LOW-LEVEL-TRIGGER )

5A Single-Phase Micro Current Transformer Module (AC Active Output, ZMCT103C)

2-CHANNEL SOLID STATE RELAY (SSR)

All-in-One TM1638 8-Digit LED Display, 16-Key Keyboard, 8Bit (3 Wire) Module

Gamepad Joystick Keypad Arduino Shield

Nokia 5110 LCD Display Module (84x84 Resolution, 4-Lines of Characters)

DC-DC 10-32V To 12-35V 150W Step Up Booster

DC-DC 3.5V-30V To 4V-40V Step Up Power Supply Module LM2587 (80W Adjustable 5A Boost Converter Voltage Regulator)

Aluminum shell USB 2.0 to TTL UART 5PIN Module Serial Converter CP2102

Humidity, Water & Rain Detection Module

Atmega328P-AU SMD IC

DS3231 AT24C32 Precision Real Time Clock (RTC) Module

NodeMCU Lua WIFI ESP8266 Microcontroller

Solid State Relay DC-AC (25A; 3-32V DC; 220V AC; SSR)

UART 125Khz EM4100 RFID Key Card Module (RDM6300)

Wemos D1 Mini V3.0.0 (WIFI, IoT, ESP8266EX)

Ethernet LAN Network Port Module (ENC28J60)

High Precision Humidity Sensor (GY-213V-SI7021)

AC 2000W Controller - Module

4.0 Bluetooth Module (CC2540/CC2541 HM-10)

500g-10kg Thin Film Pressure/Force Sensor (RFP-602)

OV7670 300KP VGA Camera Module

Arduino Nano V3 (CH340)

WS2812 8 Bits 5050 RGB LED Ring Lamp Light Module

Arduino Pro Mini Atmega328 (3.3V)

Arduino Pro Mini Atmega328 (5V)

USBTiny ISP AVR Arduino Boatload Programmer

Arduino UNO R3

DC to DC 250W Constant Current Boost Step Up Module Power Supply (8.5-48V Input 10-50V Output)

HC05 Bluetooth Module (HC05 , 3.3V, 150mA)

1.3 inch 240x240 IPS LCD Screen ST7789 (SPI Communication, 3.3V, ST7789VW)

Laser Photoelectric Speed Sensor with Encoder (5V)

100W DC-DC Booster Step up Module (1 3-35V to 3.5~35V LTC187, With LED Voltmeter)

5kg Electronic Scale Sensor (Load Cell 5 to 10V, YZC-131)

FM Stereo Radio Module (5V, 76-108MHZ)

4-Channel Solid State Relay (SSR) High Level

LilyPad 328 Main Board (ATmega328P 16M)

Blue 1.3" SPI Serial 128X64 OLED LCD LED Display Module (3V ~ 5V DC)

TCS3200 Color Recognition/Detector Module

8-Channel Relay Module (5V Low-Level-Trigger )

200W DC-DC Buck Step Up Boost Converter (7A, In 6-35V, Out 6-55V)

1.8 Inch TFT LCD Display & SD Card Module

ENC28J60 LAN/Ethernet Network Module (25MHZ)

Mini SIM800L GPRS GSM Module (MicroSIM)

VL53L0X Laser Ranging Time-of-Flight Sensor Module (CJMCU-531)

Waterproof Ultrasonic Range Finder Module (JSN + B02)

Pro Micro ATMEGA32U4-AU (5V, 16MHz, Leonardo)

ESP32-CAM WiFi + bluetooth Camera Module Development

4X4X4 Blue LED 3D Matrix Light Cube DIY Arduino Shield Kit

FSR402 Thin Film Force Sensitive Resistor (100g - 10Kg)

DC-DC Buck Converter Step Down Module (300W,10V-40V, 20A Constant Current )

AM2320B Digital Temperature and Humidity Sensor

HLK-RM04 Uart Serial Port to Ethernet Wi-Fi Wireless Network Module

Remote Audio Relay Kit (Phone Decoder)

HK-808 Fingerprint Module

3.5 inch 480x320 TFT 8080 LCD IPS Screen/Display Module (16 bit, EXCLUDES ILI9481 Driver)

3.5 Inch TFT LCD Color Screen Module (Ultra-HD 320 X 480 with SD Card Reader)

R61 Optical Fingerprint Reader Module (GC0328C)

R307 Optical Fingerprint Reader Module

GPRS GSM Module A9

2.4" Nextion TJC HMI Touch LCD Screen (Chinese Version)

STM32F205 Fingerprint Reader Module (UART ,TFS-9, TFS-D400)

Thermal Printer Module (5-9V, 3A, TTL)

2.4" Nextion HMI Intelligent Touch TFT LCD Display (English, NX3224T024)

1D CCD Barcode Scanner/Reader Module (TTL Protocol)

1D CCD Barcode Scanner/Reader Module (USB Protocol)

Raspberry PI 3 (Model B)

Photosensitive Sensor Module (Light Detector)

WS2812B RGB 5050 LED Module

2-Chanel Logic Level Converter (LLC/IIC I2C) Bi-Directional Module 5V to 3.3V (DIY Soldering Needed)

1-Channel H&L Level Trigger Optocoupler 5V Relay Module

LilyTiny (Miniature ATtiny85 Lilypad)

10K Sliding Potentiometer Module

GSM/GPRS 900/1800 MHz Short Message Service SMS Module DIY KIT M590E

DS18B20 Temperature Sensor Module with Waterproof 100CM Cabled Stainless Steel Probe

20KV High Voltage Generator ( DC 3.6-6V, 1.5A, Pulse Arc Igniter, Step Up Boost Module Coil Transformer)

LCD1602 Blue Screen LCD (2x16 Characters, WITHOUT IIC/I2C backplate adapter)

MINI LM386 Audio Amplifier Board (3V-12V Power Amplifier, DIY Kit)

5V 30A 1-Channel Relay Module with Optocoupler H/L Level Triger

LCD Screen & Keypad Arduino Shield (LCD1602)

Stereo Audio Amplifier Module(Dual Channel AMP AUX Amplifier Board Module DC 1.8-12V, TDA2822M 2.0)

LCD1602 Yellow Screen LCD (2x16 Characters, with I2C Backplate Soldered)

125KHz RFID Reader Module (5V, UART 3Pin, EM4100)

Serial Wifi Transceiver Module (Arduino)

LAN Ethernet Network Module (W5100)

WeMos D1 WiFi Wireless Development Board CH340 ESP8266

NEO-6M GPS Module

Universal LCD/LVDS Monitor & Screen Driver (5V, MT561-B)

CC1101 RF1101 Wireless Transceiver Module with SMA Antenna

DC 400W 15A Constant Current Power Supply & Step-Up Boost Converter (8.5V-50V to 10V-60V range)

Arduino UNO + WiFi R3 (32Mb memory, ATmega328P+ESP8266)

128 * 64 LCD Display Panel Screen Module (ST7565)

ARDUINO MEGA 2560 R3

GPRS + GSM + GPS Shield A7 (SMS, Voice Calls & GPS Location)

Coin Acceptor Slot Machine Module (12V)

Voice & Speech Recognition Module

1000W ZVS Low Voltage Induction Heater (12V-36V, 24V Recommended)

High Precision Laser Distance Range Finder Module (3.3V-5V, TTL)