SAINSMART 8 CHANNEL RELAY WIRING DIAGRAM

How to: Home Automation - connect 8 channel relay
Aug 24, 2013Raspberry Pi: 8 Channel Relay step-by-step with software examples for automation - Duration: 11:39. skiwithpete 809,985 views. 11:39. How to Get 220v From 110v - Duration: 14:48.
how to connect external power to an 8 channel relay
Jan 16, 2017how to connect external power to an 8 channel relay Jan 12, 2017, 07:30 pm I am doing this home automation project for school, and before I start I just can't totally figure out how to connect an external power supply to an 8 channel relay board.
16 Channel Relay Hook Up To Arduino Uno
Dec 13, 2015Re: 16 Channel Relay Hook Up To Arduino Uno. #6. the key to the schematic is the columns of blue opto-isolators. the relays you see, the blue cubes, have a coil and a set of contracts. the coil it isolated from the relay and is only in the same housing. the coil creates an electromagnet and that effect the contacts.
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