NPN and PNP transistor tester (CB22146E)

This simple transistor tester was found in old English documentation. Suitable for general purpose transistors.

Audio Compressor (CB18114E)
The integrated circuit of this project is not very common. The circuit is from 2003. This circuit is...
Two-LED Flasher 1 (CB20422E)
This is a variation of the two previous circuits but controlling two LEDs. The brightness of the...
DC Motor Control TC78H611FNG (CB19666E)
Toshiba's TCH8H611FNG integrated circuit makes it possible to control stepper motors up to 0.8 A...