TDA2030 transistor amplifier 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 Read more
LM317 Power Supply (My First Circuit)
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. Read more
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. Read more
99+ Simple Electronic Circuit for Beginners
Learn 15 simple electronic circuits list for a beginner. To fast make and inexpensive. Understanding electronic circuits are important. Read more