Bridge adapter circuit, stereo to high power mono amplifier
The bridge adapter circuit using NE5534 low noise IC to convert normal stereo to high power mono amplifier about 4 times,watt power lost approximately 75% Read more
LM324 circuit | How to | Datasheet | Pinout
The LM324 circuit is high popular, in many circuit diagram,package of four (OP-AMP) The power is single-polarity positive- negative, very wide range. […] Read more
30 watt OCL amplifier circuit diagram with PCB
The integrated amplifier that is smaller. For listening in a small room. Must have good the sound quality. Low noise and cheap. Read more
Digital temperature meter using LM335 or LM135
This is digital temperature meter circuit that has High the accuracy temperature measurement. it use ICL7107 for LED 7 segment display and LM335 or LM135 Read more
Digital capacitor meter projects easy to build
I recommend the digital capacitor meter projects. It can measure capacitors ranging from 1pF to 2,000 uF. Which covers almost all of capacity. And cheaper […] Read more