Relay Module

It is an automatic switching module. When the battery is dead or there is a problem with the battery..

It is a multifunction delay relay module.LCD display, very clear, easy to use, powerful. It can be w..

This module can be used for light detection, brightness detection, with power indicator light (red) ..

This module can be used for light detection, brightness detection, with power indicator light (red) ..

Buy the new XH-M131 DC 12V Light Control Switch Photoresistor Relay Module. The Light Detection and ..

This product is an industrial 32-ch relay module controlled via RS485 bus, adopts Modbus RTU protoco..

Waveshare Industrial 6-ch Relay Module for Raspberry Pi Zero, RS485/CAN with Isolated Protections.Fe..

It is a Photosensitive Diode Relay Module. The light brightness detection, detection, through the po..

This is a PC817 8 Channel Optocoupler Isolation Board. The onboard with 8-Channel 817 are independen..

This is a PC817 4 Channel Optocoupler Isolation Board. Onboard with 4-Channel 817 are independent, s..

This is a PC817 2 Channel Optocoupler Isolation Board. Onboard with 4-Channel 817 are independent, s..

This NE555 Delay Monostable Switch Module item is a timer switch module, based on the NE555 chip, hi..

This NE555 Delay Monostable Switch Module item is a timer switch module, based on the NE555 chip, hi..

This NE555 Delay Monostable Switch Module Time Delay Switch is a timer switch module, based on NE555..

With optocoupler isolation, the control signal and the power of the controlled device are isolated, ..

It is a Humidity Sensitive Switch Relay Module. The module uses a high-quality HR202 humidity sensor..

With optocoupler isolation, the control signal and the power of the controlled device are isolated, ..

This WiFi relay module carries a ESP8266 WiFi module and micro controller. It will send the serial p..

Introducing DC 5V 1 Channel Relay Module Delay Timer Control Switch Board, a cutting-edge solution d..

The DC12V 24V Dual MOSFET LED Digital Time Delay Relay is a versatile circuit board designed for tim..

This is DC To AC SSR-25DA Solid State Relay Module 3-32VDC/24-380VAC 25A. A solid-state relay (SSR) ..

This is DC To AC SSR-10DA Solid State Relay Module 3-32VDC/24-380VAC 10A. A solid-state relay (SSR) ..

This is DC To AC SSR-100DA Solid State Relay Module 3-32VDC/24-380VAC 100A. A solid state relay (SSR..

This module is ideally suited to controlling larger voltages with the project. This is a single chan..

This DC 12V Switch Delay-Relay Module with Adjustable Delay Time 0~25 Second Signal Triggering Switc..