By sensing vibrations from footfall, a Footsteps Detector Circuit is a creative and affordable approach for catching intruders. It employs a simple setup with a low-cost loudspeaker and a mute […]
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12 Amp Power Supply Circuit using Parallel LM317 ICs
This adjustable power supply is capable of delivering a maximum output of 12 A with an adjustable voltage from 4 V to 20 V through many LM317 ICs connected in […]
Piano, Guitar Sound Effect Generator Circuit
Music is a part of our lives, accompanying and enhancing our everyday experiences. While it is easy in electronics to generate a single note, for example, using a simple astable […]
Mains 220 V AC Line Filter Circuit for Transient Suppression
The 220 V mains AC line filter circuit described here has two functions: it prevents high-frequency waves from being sent back into the power network and it protects connected equipment […]
Electronic Measuring Tape Circuit using Ultrasound
Everyone is familiar with the mechanical measuring tape made of wood to measure human height. We offer you an original electronic version that operates based on the use of ultrasound. […]
24V to 12V DC Converter Circuit [using Switching Regulator]
The DC to DC converter circuit described below can be used to convert a 24 V DC source into a 12 V DC output with high efficiency. Meaning, the circuit […]