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
Simple inverter working principle
It has a simple working principle. Click to learn it More Read more
Multi function digital frequency meter circuit 0-100MHz
The Multi function digital frequency meter circuit 0-100MHz, is an instrument that can measurement many things in a single display with LED 7 segment 8 digit. The controls measures sector as well as the display is used a single master IC. Is A good IC of Intersil Corporation. ICM 7226B is a single IC at … Read more