So what's the problem that causes you to only be able to use 25?
RE: Custom 28 Relay Controller Board for Raspberry Pi 3
You are viewing a single comment's thread from:
Custom 28 Relay Controller Board for Raspberry Pi 3
Authors get paid when people like you upvote their post.
If you enjoyed what you read here, create your account today and start earning FREE STEEM!
If you enjoyed what you read here, create your account today and start earning FREE STEEM!
When powering on/off the Pi the GPIO pins 2, 3, 14 change state temporary... switching on and off the relays on them.
Downvoting a post can decrease pending rewards and make it less visible. Common reasons:
Submit
I didn't understand it!?
Downvoting a post can decrease pending rewards and make it less visible. Common reasons:
Submit
OIC, the only solution for that is to invert the signal at the hardware level. Such an inverter can simply be built with a single transistor and two resistors, or you can use a chip with six of them, like a 74HC04 (powered with 3,3V).
Downvoting a post can decrease pending rewards and make it less visible. Common reasons:
Submit
ঈত
it is too much costly here in Bangladesh!!
Downvoting a post can decrease pending rewards and make it less visible. Common reasons:
Submit