Suggested by General Electric in a 1967 publication, this circuit uses the D13T1, an uncommon SCR today. This component is triggered by the anode.
This interesting circuit is for controlling a small robot that searches for a light source. The...
This is the version of the previous circuit with shadow activation. The circuit can use relays from...
Other operational amplifiers series, such as the MC34072, MC34074, MC35071, MC35072, MC35074 d...