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 circuit sensor is an NTC with a resistance of the order of 2k. The SCR can be from the TIC...
The load current can be adjusted up to about 1 A. The transistor can be TIP32 or TIP42. The...
This oscillator with common general-purpose transistors appeared in Radio Electronics magazine in...