Open collector inputs plus digital IO expander for Raspberry PI
Designed by Jastrzab in Poland
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What is it? 8x open collector inputs, with buffering and reverse polarity protection all inputs are pulled to ground by 10K resistors which can be removed 8x digital IO via IO expander Why did you …
Read More…I had to work with high voltage signals with little bit of buffering and protection
It's cheap simple and durable
Technical specs:
40pin header not included
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