CAR Radio transmitters to use in home, need a ham radio power supply DC-12V or high current 13.8V power supply with enough power out of 5A - 30A. [...]
See LED VU meter using transistor is analog circuit to show the level of power audio signal. You can build 5 LED to 20 LED display with PCB.
We started by building a small bamboo pavilion in the garden. For a break for lunch, children play and rain. I like bamboo wood. Because we don’t have to buy…
I am interested in alternative education. It is a good education. And can learn throughout life. I educate my children with a homeschooling system. It's a very good education. We…
SEE! TDA2030 Bridge amplifier circuit diagram with PCB layout, output of 35 watts at 8 ohms speaker. It use Dual 15V DC power supply at 2A.
If you are looking for Small PA amplifier circuit using transistors. This may be first choice for you. The output is 100 watts power, very loud and very durable, easy to builds. Is is real?
See STK4231II and build a 2 channel OCL 100W stereo audio amplifier circuit with PCB layout. It's easy, small without adjusting, and cheap.