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+--- Wątek: GSM V4.2 extend outputs (/showthread.php?tid=2560)
GSM V4.2 extend outputs - kadlik70 - 10-06-2022
Hi, I have GSM Controller V4.2.
Is it possible to extend the outputs with a relay board?
Thank you for answer.
RE: GSM V4.2 extend outputs - Peter Xing - 11-20-2022
yes, I have it working. Just connect to i2c PCF8574 , then you get additional 4 relays.
first is for on board relay, 2-5 for those on i2c
outs=0,0,0,0,0 ok