Police flasher with transistors
The entire connection is realized by means of three astable flip-flops. The middle flip-flop controls the transistors T1 and T2. It controls on which side […]
LED light bulb
A power supply with a serial capacitor is used to power the LED. The current flowing through the LED is limited by the reactance of […]
Amplifier 120W with LM4780
This is a high quality amplifier with LM4780 circuit from Texas Instruments. The whole construction does not hide any intrigue, and therefore it is suitable […]
Voltage stabilizer 78xx
In this article we will deal with stabilization using integrated circuits, in our case positive 78xx circuits. A stabilizer is a component that stabilizes the […]
Railway crossing signal lights with NE555
This simple railway crossing signal will be especially suitable for people interested in model trains, but will also find its use elsewhere. It is a […]