7-segment display driver (CB20551E)

We found this circuit in English documentation from 1996 for PCs. The circuit is for common cathode display.

No Break (CB4308E)
This project was originally made to feed small microcomputers of the time (1986). However, the basic...
Low Impedance Microphone Amplifier (CB4771E)
This interesting circuit that can use modern equivalent transistors like the BF245 and BC548 was...
Microchip Extends eXtreme Low Power PIC32MM Microcontroller Family
CHANDLER, Ariz., June 14, 2017 — New PIC32MM “GPM” microcontrollers (MCUs) are now available from...