This circuit was originally found in a Philips documentation from 1969. It is intended for sensing golf cart battery voltage. The circuit can be adapted for other types of battery vehicles.
This fiber optic receiver was obtained from a 1978 documentation. We can use any modern...
This circuit was found in a Popular Electronics documentation from the 90s. It is possible to switch...
This circuit was found in an old Motorola documentation from the 70s, as it uses one of its...