4 Channel Relay Module 12V High and Low Level Trigger Relay Module 14 Pin Narrow IC Base - Pack of 5 and real-world safety applications

and real-world safety applications

Cable Connector

Backlight: Blue LED with adjustable brightness

providing 40-50 hours of continuous operation

This induced energy powers the display refresh circuitry and the NFC transceiver simultaneously

4 Channel Relay Module 12V High and Low Level Trigger Relay Module 14 Pin Narrow IC Base - Pack of 5 and real-world safety applications4 Channel Relay Module 12V High and Low Level Trigger It is a 4 Channel Isolated 5V 10A Relay Module Opto coupler, A wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on can control it. It is also able to control various appliances and other types of equipment with a large current. Relay output maximum contact is AC250V 10A and DC30V 10A. One can connect a microcontroller with standard interface directly to it. Red working status