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How to use it on 3v3 system?
What should I changes if I used it on 3.3v arduino/ attiny85?I want to make a door sensor that powered on when the door open and keep activate for a while (15 - 30s) to send information via Internet although the door already closed. And just before power off, system will check whether current door status is still open or already closed. If still open the system will send the status back and recheck every 5s until the door closed.
Can I use attiny85?
Can i use pir sensor on low power arduino?
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