222 results for "relay module"
Products

CP2102 USB to TTL UART Serial Converter Module 6-Pin for Arduino, ESP32 & ESP8266
$6.99

PN532 NFC RFID Reader Writer Module V3 13.56MHz
$11.99

TTP223B Pre-Soldered Capacitive Touch Switch Sensor Module
$4.50

TCA9548A Pre-Soldered 1-to-8 I2C 8-Channel Multiplexer Module
$9.99

HMC5883L GY-273 Pre-Soldered 3-Axis Magnetometer Compass Module for Arduino, Raspberry Pi & ESP32
$7.99

RC522 RFID Reader Writer Module 13.56MHz SPI Kit for Arduino, Raspberry Pi & ESP32
$7.50

APDS-9960 RGB Gesture, Proximity & Color Sensor Module for Arduino, Raspberry Pi & ESP32
$8.99

DS3231 AT24C32 Precision RTC I2C Module with CR2032 Battery
$5.99

ESP32 38-Pin GPIO Expansion Breakout Board for ESP32 Development Boards
$4.99

L298N Motor Driver Board for Arduino & Raspberry Pi DC and Stepper Motors
$6.90

MQ-7 Carbon Monoxide (CO) Gas Sensor Module for Arduino, Raspberry Pi & ESP32
$6.99

GUVA-S12SD UV Light Intensity Sensor Module for Arduino & ESP32
$8.99

TM1637 Pre-Soldered 4-Bit Red LED Display Module & Clock
$5.99

HC-05 6-Pin Bluetooth Module, No Button
$10.49

LCD1602 16x2 LCD Display Module for Arduino & Raspberry Pi
$7.99

MH-Z19C NDIR Infrared CO2 Sensor Module for Arduino, Raspberry Pi & ESP32
$28.99

10K Slide Potentiometer Module for Arduino & ESP32
$5.99

RC522 RFID Reader Writer Module 13.56MHz for Arduino
$3.99

1S 3.7V 3A 2MOS BMS Li-ion 18650 Battery Protection Board
$3.99

HX1838 Infrared IR Remote Control Module Kit with Battery
$4.99

IR Infrared Obstacle Avoidance Sensor Module for Arduino & ESP32
$5.75

SSD1306 0.96" Blue I2C OLED Display Module 4-Pin for Arduino, Raspberry Pi & ESP32
$6.89

Pre-Soldered I2C Logic Level Converter 3.3V-5V Bi-Directional for Arduino, Raspberry Pi, ESP32 & Pico
$6.25

433MHz RF Wireless Transmitter & Receiver Link Kit for Arduino
$5.99

CP2102 USB to TTL UART Serial Converter Module 6-Pin for Arduino, ESP32 & ESP8266
$6.99

PN532 NFC RFID Reader Writer Module V3 13.56MHz
$11.99

TTP223B Pre-Soldered Capacitive Touch Switch Sensor Module
$4.50

TCA9548A Pre-Soldered 1-to-8 I2C 8-Channel Multiplexer Module
$9.99

HMC5883L GY-273 Pre-Soldered 3-Axis Magnetometer Compass Module for Arduino, Raspberry Pi & ESP32
$7.99

RC522 RFID Reader Writer Module 13.56MHz SPI Kit for Arduino, Raspberry Pi & ESP32
$7.50

APDS-9960 RGB Gesture, Proximity & Color Sensor Module for Arduino, Raspberry Pi & ESP32
$8.99

DS3231 AT24C32 Precision RTC I2C Module with CR2032 Battery
$5.99

ESP32 38-Pin GPIO Expansion Breakout Board for ESP32 Development Boards
$4.99

L298N Motor Driver Board for Arduino & Raspberry Pi DC and Stepper Motors
$6.90

MQ-7 Carbon Monoxide (CO) Gas Sensor Module for Arduino, Raspberry Pi & ESP32
$6.99

GUVA-S12SD UV Light Intensity Sensor Module for Arduino & ESP32
$8.99

TM1637 Pre-Soldered 4-Bit Red LED Display Module & Clock
$5.99

HC-05 6-Pin Bluetooth Module, No Button
$10.49

LCD1602 16x2 LCD Display Module for Arduino & Raspberry Pi
$7.99

MH-Z19C NDIR Infrared CO2 Sensor Module for Arduino, Raspberry Pi & ESP32
$28.99

10K Slide Potentiometer Module for Arduino & ESP32
$5.99

RC522 RFID Reader Writer Module 13.56MHz for Arduino
$3.99

1S 3.7V 3A 2MOS BMS Li-ion 18650 Battery Protection Board
$3.99

HX1838 Infrared IR Remote Control Module Kit with Battery
$4.99

IR Infrared Obstacle Avoidance Sensor Module for Arduino & ESP32
$5.75

SSD1306 0.96" Blue I2C OLED Display Module 4-Pin for Arduino, Raspberry Pi & ESP32
$6.89

Pre-Soldered I2C Logic Level Converter 3.3V-5V Bi-Directional for Arduino, Raspberry Pi, ESP32 & Pico
$6.25

433MHz RF Wireless Transmitter & Receiver Link Kit for Arduino
$5.99