Home Telephone Call Recorder
This is the circuit connection of home telephone call recorder that uses very few components. In order to understand its…
12W Audio Amplifier based MOSFET 2SK135 / 2SJ50
This is a small 12W audio amplifier over a load of 8 Ω, that combining the NE5534 integrated with a…
70W OCL Power Amplifier
This is the circuit diagram of 70W OCL power amplifier with output power of 70 watts single channel. It uses…
5VDC Single Polarity to 12VDC Dual Polarity Converter
This is the circuit diagram of 5VDC single polarity to 12VDC dual polarity converter based on IC LM2595-12 from National…
0-60V / 0-2A Variable Power Supply
This is the circuit diagram of 0-60V / 0-2A variable power supply. Of course this circuit used to cover the…
7 Segment LED Digital Clock with IC MM5314N
This is the circuit diagram of digital clock based on IC MM5314N. The clock display uses 6 pieces of 7…
LED Indicator for 220V AC Mains
This is the schematic diagram of LED indicator for 220V AC Mains which can be used to indicate that the…
12 Stage Water Level Indicator
The is a simple and versatile 12 stage water level indicator circuit which will show you the current water level…
Metronome Sound Generator
This is the electronic circuit diagram of metronome sound generator. The circuit featured adjustable volume and beats/minute with potentiometers. LED…