5v 4 Channel Relay Module

₹199.00

Item name: 5v 4 ch relay board module w/optocoupler led durable for arduino, pic, arm, avr, dsp store category sign up now ! you may also like 5v 4 channel relay board module w/ optocoupler for arduino pic arm avr dsp mm004855 product description details: * this product is a 5v 4-channel relay interface board. * be able to control various appliances, and other equipments with large current. * it can be controlled directly by micro-controller (arduino, 8051, avr, pic, dsp, arm, arm, msp430, ttl l