Step up converter circuit using TDA2822
No light! because of a low voltage battery. How do you increase the voltage up? You can do many ways. And, I recommend a simple step-up converter circuit using TDA2822.
10 Comments
May 23, 2019
DC Boost converter circuit, 3.7V-5V to 12V-13.8V
DC Boost Converter circuit 3-5V to 12V-13.8V
I like the 12V LED. But I have only 3V of batteries. So, No light. When using this circuit, I can get light of the LED at 100 mA. And, an adjustable output voltage.
May 21, 2019
TDA2030 transistor amp circuit with PCB
Relatively easy to build up to 30W Amp OTL by TDA2030 transistor is packed into this project.the power dissipation of 20W at 8 ohm or 30W at load 4 ohm
May 18, 2019
Variable power supply using LM317
This is First Variable DC Power Supply 1.2V to 30V 1A using LM317. using a few parts and build easy with PCB layout and can fine adjust voltage output.
May 12, 2019
Digital voltmeter circuit diagram using ICL7107 / 7106 with PCB
Here is simple ICL7017 digital voltmeter circuit easy to build and cheap because it is high technology, by single IC,small number, along by LED 3 digit.
May 5, 2019
TDA2030 stereo amplifier circuit
Suitable for beginners thought will build the electroacoustics to listen yourself.
May 1, 2019