Low battery indicator 555 (CB9551E)

This circuit can operate with different voltages, depending on the zener used. We found it in a 90s American documentation.

Transistorized Voltmeter (CB21919E)
Found in an old Raytheon transistor manual, this 4-scale voltmeter has an accuracy that depends on the...
Low power current sensor (CB5382E)
This circuit was obtained from a 2005 Linear Technology application manual. The circuit is...
PIC32MM 32-Bit MCUs
August 2017 - The PIC32MM microcontrollers of the Microchip 32-Bit Family can be obtained from...