I'm making a pulse reader with Arduino, Atmega 328, Linux, and Photogate. doing: digitalRead(pin); I get 0 when interrupt photogate, 1 when I don't. %%%% Fotogate works well, without interruptions %%%%% doing: pulseIn(); I just can read pulses shorter than 2 s more or less (200000 micros). Any id…

pulseIn(), photogate, time measurement

MarkT March 13, 2012, 1:07am 5

Wherever your Arduino installation lives, look in ../hardware/arduino/core/arduino/wiring_pulse.c

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