Edge trigger for ATTiny85
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Makefile
README.md
config.h
main.c

README.md

TinyTrigger

AVR firmware for the ATtiny85 to act as a simple pulse trigger. Can be configured at compile time to trigger on rising edge, falling edge or both and also to an active high or active low output pulse. Edit config.h to configure.

Uses interrupts and sleeps the uC except when a change is detected, so current draw is extremely small (few uA).

Originally meant to wake an ESP8266 on an external change, since the ESP8266 requires a brief low pulse to wake from deep sleep.