Recent content by pghislain

I have another view: A masse suspended is a two opposed and equal forces system: f = G - F Where f = 0 if it is imobile. So F = m * a and G = m * g; a = -g; Its a bit basic, I know! A force and an acceleration do'nt have to be associated to a movement. A force to exist must be...

Hi there, I have a simple question. OR gate between 2 output TTL signals can be done with diodes and simply join the signals toguether... ? Output TTL signals have a pull up resistor included: For one output: --------------- Output level 1) 5 V / -4 ma Output level 0) 0.7 V / -16ma...