How many relays can M5Stack support?

m5stack / m5-docs

The URL of M5Stack Official Documents:

http://docs.m5stack.com

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Closed rregin closed 4 years ago

rregin commented 4 years ago

I am planning to use M5stack to turn on/off devices remotely. Upto how much relays can I use? Thank you!

Gitshaoxiang commented 4 years ago

M5StickC provide 5 GPIO pin (in the header ext and grove port), so if don't use any extents unit , it can control 5 realy.

if use extents Unit , like EXT.IO Unit , it can control even more.