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…

55 years ago

Electronic Siren

This is Electronic Siren circuit diagram which use standard discrete components. The sound produced imitates the rise and fall of…

55 years ago

Portable Audio Amplifier

This is simple portable audio amplifier circuit. This circuit built based on IC TEA2025 which is a monolithic integrated audio…

55 years ago

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).…

55 years ago

NiCd – NiMH Battery Charger

Here is the simple and low cost NiCd and NiMH battery charger circuit which can be used for various battery…

55 years ago

100W RMS Audio Amplifier

Here is the 100W RMS audio amplifier schematic diagram: This circuit is quite simple but will give you high quality…

55 years ago

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…

55 years ago

LED Flashing Heart

This is the LED flashing circuit, since the shape used in this circuit was hearth shape, then we call it…

55 years ago

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…

55 years ago