LED Flasher Unijunction (CB22144E)

The frequency of this circuit depends on the capacitor. The unijunction transistor can be the 2N2646.

Oscillator up to 50 MHz (CB23739E)
The frequency of this oscillator depends on the crystal used and the transistors. The circuit was...
IW SMG33MTS Modules for WiFi Arduino Shields
August 2017 - Mouser Electronics already has the Connect One Pico WiReach ™ SMTS Pico modules...
Fan Control II (CB15517E)
What differentiates the CIR8139 circuit is the use of two inverter ports to trigger the transistor that...