When our project needs real power then normal adapter is not enough, sometimes battery drains fast and cheap adapters fail. Therefore, this 9V 2A to 3A Transistors Based Regulator Circuit is best solution, with strong output, smooth DC and long life performance. However, battery is not good for high current load, so we used transformer […]
Zener Controlled 9V Regulator Circuit with TIP41 Transistor
Every electronic project needs clean and stable power and without good voltage our circuit will not work properly, sometimes it restarts and sometimes it gets damaged. But AC mains voltage is high and unstable, therefore, we cannot use it directly, but for that first, we must convert it and then, we must control it. Many […]
CD4066 Analog Switch with 555 Timer Circuit
In my previous article for Switch Selectable Four Frequency Pulse Generator Circuit frequency selection was done using manual switches. However, in this circuit the manual switching method is replaced with electronic switching using the CD4066B quad bilateral switch which is controlled by a 555 timer for automatic operation. CD4066 is a quad bilateral switch IC […]
Switch Selectable Four Frequency Pulse Generator Circuit
This Switch Selectable Four Frequency Pulse Generator Circuit is simple astable oscillator circuit and it uses the famous 555 timer IC in astable mode. Frequency can be changed in four steps, by just pressing switch and by selecting the capacitor. Here, output is the square wave signal and it works in astable mode, so it […]
3A PWM Power Generator Circuit with IC 555 and LM350
This circuit is for a high power pulse generator which uses 555 timer IC as a pulse oscillator and IC LM350 regulator which gives high current output. IC 555 can handle high current up to 3A and gives small output current and IC LM350 provides output current upto 3A. Therefore, this 3A PWM Power Generator […]
1.25V to 25V Adjustable Power Supply Circuit with IC LM350
LM350 is adjustable voltage regulator IC, which gives output from 1.25V to 25V and it can supply current up to 3A. Because it can deliver more than 3A current, we must fix the LM350 on a big heat sink to remove heat properly. This 1.25V to 25V Adjustable Power Supply Circuit with IC LM350 converts […]