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Discussions on the software and hardware for Atmel's STK standard.
By balf00
#160251
hi
haw to controll an hc-sr04 by one of the following atmel :
atmega328p and/or attiny2313 and/or at90s2313 ?

all the chip are 4mhz clocked by cerami resonator
so what is important haw to set correctly interrupt and timing parameter

thanks