This adjustable power supply circuit uses a surprising trick. The TDA2030 chip, normally used to crank up the volume for speakers can also be configured to act like a voltage regulator. With some clever circuit design, it can provide a stable DC voltage with adjustable output making it useful for powering electronics projects at different […]
Power Supply Circuits
220V AC to DC Voltage Converter Circuit
This 220V AC to DC voltage converter circuit is like a tiny adapter for your gadgets. Your wall outlets provide AC alternating current, but many electronics, like phones, laptops and LED lights, need DC direct current to work. This circuit acts like a translator, taking the strong AC current from the wall and converting it […]
How to Increase Voltage Output of 7812,7805 ICs
While it is great to know how to increase voltage output from a 7812 or 7805 chip, it is actually not recommended. These chips are designed to give a specific voltage 12V for 7812 and 5V for 7805. There are better solutions: If you need a different voltage, you can get a different voltage regulator […]
Simple Variable Power Supply Circuit using 7805 or 7812 ICs
Regular power adapters give a fixed amount of power. This circuit is like a trick adapter using chips like the 7805 or 7812 normally for 5V or 12V along with other bits like resistors and potentiometers. By adding these extras, the circuit can twist and turn the voltage output to a wider range letting you […]
Simple 3 Ampere Adjustable Power Supply Circuit using IC LM350
Imagine a super powered adjustable power adapter for your electronics projects. This circuit uses a special chip LM350 that acts like a strong and reliable power source. It can crank out up to 3 amps of juice and adjust the voltage anywhere from 1.25V to 25V. This makes it perfect for powering all sorts of […]
Simple DC to DC Adjustable Converter Circuit using IC TL497A
This DC to DC adjustable converter circuit with the TL497A chip is like a little helper that can adjust the voltage of your power source. It can take a lower voltage and give you a higher voltage just like a mini power adapter. The cool thing is, this circuit can be adjusted configured to work […]