Electronic Bird Chirp Sound Generator
This is electronic bird chirp sound generator circuit which used to produce a sound like bird's chirp. The transformer is…
Electronic Siren
This is Electronic Siren circuit diagram which use standard discrete components. The sound produced imitates the rise and fall of…
Portable Audio Amplifier
This is simple portable audio amplifier circuit. This circuit built based on IC TEA2025 which is a monolithic integrated audio…
6V to 12V DC to DC Voltage Converter
This is the circuit diagram of 6V to 12V DC to DC voltage converter (6V to 12V DC voltage doubler).…
NiCd – NiMH Battery Charger
Here is the simple and low cost NiCd and NiMH battery charger circuit which can be used for various battery…
100W RMS Audio Amplifier
Here is the 100W RMS audio amplifier schematic diagram: This circuit is quite simple but will give you high quality…
2 Watt Mini Audio Amplifier
This is the circuit diagram of 2 Watt mini audio amplifier. This circuit is inexpensive, easy and quite simple. This…
LED Flashing Heart
This is the LED flashing circuit, since the shape used in this circuit was hearth shape, then we call it…
13.8 Volt 20 A Transformerless Power Supply
Do you need high current power supply without heavy and expensive transformer? Then, this circuit would be great choice for…