222 results for "relay module"
Products
MAX485 TTL to RS485 Converter Module for Arduino, ESP32, STM32 & Raspberry Pi

MAX485 TTL to RS485 Converter Module for Arduino, ESP32, STM32 & Raspberry Pi

$6.99
STM32F103C8T6 Blue Pill Pre-Soldered ARM Development Board Kit Pro USB V

STM32F103C8T6 Blue Pill Pre-Soldered ARM Development Board Kit Pro USB V

$8.99
Leonardo R3 ATmega32U4 Development Board for Arduino

Leonardo R3 ATmega32U4 Development Board for Arduino

$15.99
HLK-2410C Human Presence Radar Motion Detection Module (Pre-Soldered)

HLK-2410C Human Presence Radar Motion Detection Module (Pre-Soldered)

$11.99
MAX3421E Mini USB Host Shield 2.0 ADK Module for Arduino Pro Mini

MAX3421E Mini USB Host Shield 2.0 ADK Module for Arduino Pro Mini

$9.99
HC-12 433MHz Long-Range Wireless Serial Transceiver Module (SI4438) for Arduino, Raspberry Pi & ESP32

HC-12 433MHz Long-Range Wireless Serial Transceiver Module (SI4438) for Arduino, Raspberry Pi & ESP32

$12.99
P20/15 12V DC Electromagnet Solenoid Sucker 3KG

P20/15 12V DC Electromagnet Solenoid Sucker 3KG

$8.99
TTGO T-Internet-POE ESP32 Ethernet Development Board (LAN8720A)

TTGO T-Internet-POE ESP32 Ethernet Development Board (LAN8720A)

$39.99
JSN-SR04T Waterproof Ultrasonic Distance Sensor Module for Arduino, Raspberry Pi & ESP32

JSN-SR04T Waterproof Ultrasonic Distance Sensor Module for Arduino, Raspberry Pi & ESP32

$8.99
ESP8266 ESP-01 Serial WiFi Module 1MB Wireless Transceiver for IoT

ESP8266 ESP-01 Serial WiFi Module 1MB Wireless Transceiver for IoT

$5.49
LD1125H 24GHz mmWave Human Presence Radar Sensor Module (Pre-Soldered)

LD1125H 24GHz mmWave Human Presence Radar Sensor Module (Pre-Soldered)

$19.99
HLK-2410B Human Presence Radar Motion Detection Module (Pre-Soldered)

HLK-2410B Human Presence Radar Motion Detection Module (Pre-Soldered)

$8.99
ESP-WROOM-32 (ESP-32S) ESP32 Dev Board CP2102 USB-C Pre-Soldered

ESP-WROOM-32 (ESP-32S) ESP32 Dev Board CP2102 USB-C Pre-Soldered

$8.99
XL4015 Adjustable DC-DC Step-Down Module, 4-38V 5A, 96% High Efficiency

XL4015 Adjustable DC-DC Step-Down Module, 4-38V 5A, 96% High Efficiency

$6.99
SSD1306 0.96" I2C White OLED Display Module 4-Pin for Arduino, Raspberry Pi & ESP32

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

$6.89
ESP32-WROVER 4MB PSRAM WiFi & Bluetooth Module

ESP32-WROVER 4MB PSRAM WiFi & Bluetooth Module

$8.99
TB6612FNG Pre-Soldered Dual DC & Stepper Motor Driver Module for Arduino, Raspberry Pi & ESP32

TB6612FNG Pre-Soldered Dual DC & Stepper Motor Driver Module for Arduino, Raspberry Pi & ESP32

$5.99
PCF8574 I2C Serial Interface Adapter Module for 1602 & 2004 LCD Displays

PCF8574 I2C Serial Interface Adapter Module for 1602 & 2004 LCD Displays

$5.99
BH1750 Pre-Soldered Digital Light Sensor for Arduino & Raspberry Pi

BH1750 Pre-Soldered Digital Light Sensor for Arduino & Raspberry Pi

$6.98
MQ-135 Air Quality Hazardous Gas Sensor Module for Arduino

MQ-135 Air Quality Hazardous Gas Sensor Module for Arduino

$5.99
PZEM-004T AC Energy Meter & Power Monitor Module with Current Transformer

PZEM-004T AC Energy Meter & Power Monitor Module with Current Transformer

$14.99
Micro SD TF Card Adapter Reader Module SPI Interface for Arduino

Micro SD TF Card Adapter Reader Module SPI Interface for Arduino

$4.49
Soil Moisture Sensor Module with 5-Pin Dupont Cable for Arduino, Raspberry Pi & ESP32

Soil Moisture Sensor Module with 5-Pin Dupont Cable for Arduino, Raspberry Pi & ESP32

$4.99
MAX6675 Pre-Soldered Module with K-Type Thermocouple Sensor (Measures up to 1024 Degrees)

MAX6675 Pre-Soldered Module with K-Type Thermocouple Sensor (Measures up to 1024 Degrees)

$7.49
MAX485 TTL to RS485 Converter Module for Arduino, ESP32, STM32 & Raspberry Pi

MAX485 TTL to RS485 Converter Module for Arduino, ESP32, STM32 & Raspberry Pi

$6.99
STM32F103C8T6 Blue Pill Pre-Soldered ARM Development Board Kit Pro USB V

STM32F103C8T6 Blue Pill Pre-Soldered ARM Development Board Kit Pro USB V

$8.99
Leonardo R3 ATmega32U4 Development Board for Arduino

Leonardo R3 ATmega32U4 Development Board for Arduino

$15.99
HLK-2410C Human Presence Radar Motion Detection Module (Pre-Soldered)

HLK-2410C Human Presence Radar Motion Detection Module (Pre-Soldered)

$11.99
MAX3421E Mini USB Host Shield 2.0 ADK Module for Arduino Pro Mini

MAX3421E Mini USB Host Shield 2.0 ADK Module for Arduino Pro Mini

$9.99
HC-12 433MHz Long-Range Wireless Serial Transceiver Module (SI4438) for Arduino, Raspberry Pi & ESP32

HC-12 433MHz Long-Range Wireless Serial Transceiver Module (SI4438) for Arduino, Raspberry Pi & ESP32

$12.99
P20/15 12V DC Electromagnet Solenoid Sucker 3KG

P20/15 12V DC Electromagnet Solenoid Sucker 3KG

$8.99
TTGO T-Internet-POE ESP32 Ethernet Development Board (LAN8720A)

TTGO T-Internet-POE ESP32 Ethernet Development Board (LAN8720A)

$39.99
JSN-SR04T Waterproof Ultrasonic Distance Sensor Module for Arduino, Raspberry Pi & ESP32

JSN-SR04T Waterproof Ultrasonic Distance Sensor Module for Arduino, Raspberry Pi & ESP32

$8.99
ESP8266 ESP-01 Serial WiFi Module 1MB Wireless Transceiver for IoT

ESP8266 ESP-01 Serial WiFi Module 1MB Wireless Transceiver for IoT

$5.49
LD1125H 24GHz mmWave Human Presence Radar Sensor Module (Pre-Soldered)

LD1125H 24GHz mmWave Human Presence Radar Sensor Module (Pre-Soldered)

$19.99
HLK-2410B Human Presence Radar Motion Detection Module (Pre-Soldered)

HLK-2410B Human Presence Radar Motion Detection Module (Pre-Soldered)

$8.99
ESP-WROOM-32 (ESP-32S) ESP32 Dev Board CP2102 USB-C Pre-Soldered

ESP-WROOM-32 (ESP-32S) ESP32 Dev Board CP2102 USB-C Pre-Soldered

$8.99
XL4015 Adjustable DC-DC Step-Down Module, 4-38V 5A, 96% High Efficiency

XL4015 Adjustable DC-DC Step-Down Module, 4-38V 5A, 96% High Efficiency

$6.99
SSD1306 0.96" I2C White OLED Display Module 4-Pin for Arduino, Raspberry Pi & ESP32

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

$6.89
ESP32-WROVER 4MB PSRAM WiFi & Bluetooth Module

ESP32-WROVER 4MB PSRAM WiFi & Bluetooth Module

$8.99
TB6612FNG Pre-Soldered Dual DC & Stepper Motor Driver Module for Arduino, Raspberry Pi & ESP32

TB6612FNG Pre-Soldered Dual DC & Stepper Motor Driver Module for Arduino, Raspberry Pi & ESP32

$5.99
PCF8574 I2C Serial Interface Adapter Module for 1602 & 2004 LCD Displays

PCF8574 I2C Serial Interface Adapter Module for 1602 & 2004 LCD Displays

$5.99
BH1750 Pre-Soldered Digital Light Sensor for Arduino & Raspberry Pi

BH1750 Pre-Soldered Digital Light Sensor for Arduino & Raspberry Pi

$6.98
MQ-135 Air Quality Hazardous Gas Sensor Module for Arduino

MQ-135 Air Quality Hazardous Gas Sensor Module for Arduino

$5.99
PZEM-004T AC Energy Meter & Power Monitor Module with Current Transformer

PZEM-004T AC Energy Meter & Power Monitor Module with Current Transformer

$14.99
Micro SD TF Card Adapter Reader Module SPI Interface for Arduino

Micro SD TF Card Adapter Reader Module SPI Interface for Arduino

$4.49
Soil Moisture Sensor Module with 5-Pin Dupont Cable for Arduino, Raspberry Pi & ESP32

Soil Moisture Sensor Module with 5-Pin Dupont Cable for Arduino, Raspberry Pi & ESP32

$4.99
MAX6675 Pre-Soldered Module with K-Type Thermocouple Sensor (Measures up to 1024 Degrees)

MAX6675 Pre-Soldered Module with K-Type Thermocouple Sensor (Measures up to 1024 Degrees)

$7.49