4 relay module online manufacture

3.3V 5V 12V 24V 2 Channel Relay Module High and low Level Trigger Dual Optocoupler Isolation Relay Module Product Description: The module adopts genuine quality relay, the maximum load of the normally open ... Read More

3.3V 5V 12V 24V 2 Channel Relay Module High and low Level Trigger Dual Optocoupler Isolation Relay Module power supply module Product Description: The module adopts genuine quality relay, the maximum load of ... Read More

Factory 5V Optocoupler IED Programming STEM Education DC 4 Channel Relay Module power supply module Product Description: It is 4 Channel Isolated 5V 10A Relay Module, A wide range of micro controllers can ... Read More

5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay power supply module Product Description: The relay coil drive voltage is 5V, and the input control level can also be within 5V. ... Read More

original One relay module, delay power off, disconnect, trigger delay, cycle timing circuit switch, with USB Product Description: One relay module, delay power off, disconnect, trigger delay, cycle timing ... Read More

Low Level Trigger DC 5V 2 channel Relay Module with Optocoupler power supply module Product Description: Relay contact capacity 250V10A. Relay output normally open, normally closed; Active low. 5V relay signal ... Read More

1 Channel 12V Relay Module With Optocoupler Low Level Trigger Expansion Board Product description: Module Size: 53x18x18.5mm Blue KF301 terminal, more convenient One normally open pin and a normally closed pin ... Read More

Products Description 5V 12V 24V 4-Channel Relay Module Shield for Arduno ARM PIC AVR DSP Electronic 5V 4 Channel Relay 4 road 5V Relay ModuleFeatures: * This relay module is 5V active low. * It is an 4-channel ... Read More

5V 12V low level trigger interface Board Shield For PIC AVR DSP ARM MCU One 1 Channel Relay Module power supply module Product Description: The module complies with international safety standards, control area ... Read More

12V 1 Way Relay Red PCB Board High and Low level Trigger With Optocoupler Isolation 1 Channel Relay Module power supply module Product Description: Size: 5cm*2.6cm*1.8cm(L*W*H) Pole Number: 1 Channel Operating ... Read More