4 relay module ผลิตออนไลน์

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 ... อ่านเพิ่มเติม

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 ... อ่านเพิ่มเติม

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 ... อ่านเพิ่มเติม

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 ... อ่านเพิ่มเติม

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. ... อ่านเพิ่มเติม

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 ... อ่านเพิ่มเติม

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 ... อ่านเพิ่มเติม

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 ... อ่านเพิ่มเติม

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 ... อ่านเพิ่มเติม

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 ... อ่านเพิ่มเติม