232 results for "relay module"
Products
RCWL-0516 Microwave Doppler Radar Motion Sensor Module

RCWL-0516 Microwave Doppler Radar Motion Sensor Module

$5.99
AD8232 ECG Module - Heart Rate & ECG Monitoring Sensor Kit

AD8232 ECG Module - Heart Rate & ECG Monitoring Sensor Kit

$11.99
HM-10 Bluetooth 4.0 BLE CC2541 Master/Slave Module for Arduino

HM-10 Bluetooth 4.0 BLE CC2541 Master/Slave Module for Arduino

$7.99
INA219 I2C Bi-Directional Current & Power Monitoring Sensor Module with Soldering and Foam

INA219 I2C Bi-Directional Current & Power Monitoring Sensor Module with Soldering and Foam

$7.99
Super Starter Kit for Arduino Uno R3 with Tutorial

Super Starter Kit for Arduino Uno R3 with Tutorial

$34.99
MAX30102 Pre-Soldered Heart Rate & Pulse Oximeter Sensor Module

MAX30102 Pre-Soldered Heart Rate & Pulse Oximeter Sensor Module

$6.99
PAM8406 Pre-Soldered Stereo Class-D Audio Amplifier Module for Arduino, Raspberry Pi & ESP32

PAM8406 Pre-Soldered Stereo Class-D Audio Amplifier Module for Arduino, Raspberry Pi & ESP32

$7.99
Ra-02 SX1278 LoRa 433MHz Wireless Transceiver Module for Arduino, ESP32, STM32 & Raspberry Pi

Ra-02 SX1278 LoRa 433MHz Wireless Transceiver Module for Arduino, ESP32, STM32 & Raspberry Pi

$9.99
MAX7219 4-in-1 Dot Matrix Display Module (Red)

MAX7219 4-in-1 Dot Matrix Display Module (Red)

$7.99
CP2102 USB to TTL UART Serial Converter Module 6-Pin for Arduino, ESP32 & ESP8266

CP2102 USB to TTL UART Serial Converter Module 6-Pin for Arduino, ESP32 & ESP8266

$6.99
DHT11 Temperature & Humidity Sensor for Arduino & Raspberry Pi

DHT11 Temperature & Humidity Sensor for Arduino & Raspberry Pi

$6.00
NRF24L01+ 2.4GHz Wireless Transceiver Module SPI for Arduino & Raspberry Pi

NRF24L01+ 2.4GHz Wireless Transceiver Module SPI for Arduino & Raspberry Pi

$5.49
BMP280 Pre-Soldered Pressure & Temperature Sensor for Arduino & Raspberry Pi

BMP280 Pre-Soldered Pressure & Temperature Sensor for Arduino & Raspberry Pi

$7.00
XL4015 Adjustable DC-DC Step-Down Module 5A 75W with Digital Voltmeter Display

XL4015 Adjustable DC-DC Step-Down Module 5A 75W with Digital Voltmeter Display

$7.99
KY-018 Photoresistor Light Sensor Module for Arduino & ESP32

KY-018 Photoresistor Light Sensor Module for Arduino & ESP32

$5.99
CN3791 6V MPPT Solar Charger Module

CN3791 6V MPPT Solar Charger Module

$5.99
Pre-Soldered I2C Logic Level Converter 3.3V-5V Bi-Directional for Arduino, Raspberry Pi, ESP32 & Pico

Pre-Soldered I2C Logic Level Converter 3.3V-5V Bi-Directional for Arduino, Raspberry Pi, ESP32 & Pico

$6.25
Rain and Water Level Detection Sensor Module for Arduino, Raspberry Pi & ESP32

Rain and Water Level Detection Sensor Module for Arduino, Raspberry Pi & ESP32

$6.49
KY-023 Dual Axis PS2 Analog Joystick Module for Arduino & ESP32

KY-023 Dual Axis PS2 Analog Joystick Module for Arduino & ESP32

$4.99
MLX90614 Pre-Soldered IR Temperature Sensor Module for Arduino & Raspberry Pi

MLX90614 Pre-Soldered IR Temperature Sensor Module for Arduino & Raspberry Pi

$16.49
KY-006 Passive Piezo Buzzer Module for Arduino

KY-006 Passive Piezo Buzzer Module for Arduino

$5.99
ATtiny85 USB Development Board (Digispark) for Arduino Pre-Soldered

ATtiny85 USB Development Board (Digispark) for Arduino Pre-Soldered

$9.99
1S 3.7V 3A 2MOS BMS Li-ion 18650 Battery Protection Board

1S 3.7V 3A 2MOS BMS Li-ion 18650 Battery Protection Board

$3.99
MPU6050 Pre-Soldered IMU Accelerometer Sensor 2-Pack for Arduino

MPU6050 Pre-Soldered IMU Accelerometer Sensor 2-Pack for Arduino

$10.99
RCWL-0516 Microwave Doppler Radar Motion Sensor Module

RCWL-0516 Microwave Doppler Radar Motion Sensor Module

$5.99
AD8232 ECG Module - Heart Rate & ECG Monitoring Sensor Kit

AD8232 ECG Module - Heart Rate & ECG Monitoring Sensor Kit

$11.99
HM-10 Bluetooth 4.0 BLE CC2541 Master/Slave Module for Arduino

HM-10 Bluetooth 4.0 BLE CC2541 Master/Slave Module for Arduino

$7.99
INA219 I2C Bi-Directional Current & Power Monitoring Sensor Module with Soldering and Foam

INA219 I2C Bi-Directional Current & Power Monitoring Sensor Module with Soldering and Foam

$7.99
Super Starter Kit for Arduino Uno R3 with Tutorial

Super Starter Kit for Arduino Uno R3 with Tutorial

$34.99
MAX30102 Pre-Soldered Heart Rate & Pulse Oximeter Sensor Module

MAX30102 Pre-Soldered Heart Rate & Pulse Oximeter Sensor Module

$6.99
PAM8406 Pre-Soldered Stereo Class-D Audio Amplifier Module for Arduino, Raspberry Pi & ESP32

PAM8406 Pre-Soldered Stereo Class-D Audio Amplifier Module for Arduino, Raspberry Pi & ESP32

$7.99
Ra-02 SX1278 LoRa 433MHz Wireless Transceiver Module for Arduino, ESP32, STM32 & Raspberry Pi

Ra-02 SX1278 LoRa 433MHz Wireless Transceiver Module for Arduino, ESP32, STM32 & Raspberry Pi

$9.99
MAX7219 4-in-1 Dot Matrix Display Module (Red)

MAX7219 4-in-1 Dot Matrix Display Module (Red)

$7.99
CP2102 USB to TTL UART Serial Converter Module 6-Pin for Arduino, ESP32 & ESP8266

CP2102 USB to TTL UART Serial Converter Module 6-Pin for Arduino, ESP32 & ESP8266

$6.99
DHT11 Temperature & Humidity Sensor for Arduino & Raspberry Pi

DHT11 Temperature & Humidity Sensor for Arduino & Raspberry Pi

$6.00
NRF24L01+ 2.4GHz Wireless Transceiver Module SPI for Arduino & Raspberry Pi

NRF24L01+ 2.4GHz Wireless Transceiver Module SPI for Arduino & Raspberry Pi

$5.49
BMP280 Pre-Soldered Pressure & Temperature Sensor for Arduino & Raspberry Pi

BMP280 Pre-Soldered Pressure & Temperature Sensor for Arduino & Raspberry Pi

$7.00
XL4015 Adjustable DC-DC Step-Down Module 5A 75W with Digital Voltmeter Display

XL4015 Adjustable DC-DC Step-Down Module 5A 75W with Digital Voltmeter Display

$7.99
KY-018 Photoresistor Light Sensor Module for Arduino & ESP32

KY-018 Photoresistor Light Sensor Module for Arduino & ESP32

$5.99
CN3791 6V MPPT Solar Charger Module

CN3791 6V MPPT Solar Charger Module

$5.99
Pre-Soldered I2C Logic Level Converter 3.3V-5V Bi-Directional for Arduino, Raspberry Pi, ESP32 & Pico

Pre-Soldered I2C Logic Level Converter 3.3V-5V Bi-Directional for Arduino, Raspberry Pi, ESP32 & Pico

$6.25
Rain and Water Level Detection Sensor Module for Arduino, Raspberry Pi & ESP32

Rain and Water Level Detection Sensor Module for Arduino, Raspberry Pi & ESP32

$6.49
KY-023 Dual Axis PS2 Analog Joystick Module for Arduino & ESP32

KY-023 Dual Axis PS2 Analog Joystick Module for Arduino & ESP32

$4.99
MLX90614 Pre-Soldered IR Temperature Sensor Module for Arduino & Raspberry Pi

MLX90614 Pre-Soldered IR Temperature Sensor Module for Arduino & Raspberry Pi

$16.49
KY-006 Passive Piezo Buzzer Module for Arduino

KY-006 Passive Piezo Buzzer Module for Arduino

$5.99
ATtiny85 USB Development Board (Digispark) for Arduino Pre-Soldered

ATtiny85 USB Development Board (Digispark) for Arduino Pre-Soldered

$9.99
1S 3.7V 3A 2MOS BMS Li-ion 18650 Battery Protection Board

1S 3.7V 3A 2MOS BMS Li-ion 18650 Battery Protection Board

$3.99
MPU6050 Pre-Soldered IMU Accelerometer Sensor 2-Pack for Arduino

MPU6050 Pre-Soldered IMU Accelerometer Sensor 2-Pack for Arduino

$10.99