This is the circuit diagram of seismic / vibration sensor. The circuit simulates a seismic sensor to detect vibrations/sounds. It’s really sensitive and may detect […]
Electronic Schematic Diagram
Electronic Motor Starter
The above diagram is the schematic diagram of an electronic motor starter circuit. This motor starter protects singlephase motors against voltage fluctuations and overloading. Its […]
Electronic Siren based NE555
Here the circuit diagram of electronic siren based NE555. This circuit produces a sound like factory siren. It applies a 555 timer IC which is […]
150W Power Amplifier
This is the very simple circuit diagram of 150W power amplifier. The circuit is easy enough to built without PCB. The power output range is […]
1500W Power Amplifier
This is a very high 1500W power amplifier circuit diagram by Rod Elliott. The circuit is built using 10 pairs of power transistor MJ15024 and […]
65W Power Amplifier using HEXFET
This is a high quality 65W power amplifier circuit based HEXFET IRF9540 and IRF540. The circuit is quite simple for amplifier with good sound quality. […]
4W Bridge Amplifier using LM388
Parts List: R1-2-4-5=270? R3 = 2.7? VR1 = 10K? Log. Pot. TR1 = 470K? Trimmer IC1-2 = LM388 C1 = 100uF/25V C2 = 100nF C3 […]
Hi-Fi Compressor with Pre-emphasis
Here is the Hi-Fi compressor circuit with pre-emphasis. The above diagram is a circuit for a high fidelity compressor which uses an external op-amp and […]
Thermocouple Amplifier using CA3193
Above circuit design is thermocouple amplifier circuit using CA3193 operating amplifier. The CA3193 is an excellent choice for use with thermocouples.? In the circuit, the […]
1W Stereo Headphone Amplifier based TDA2822
Above circuit diagram is the schematic of 1W stereo headphone amplifier. The circuit is built based TDA2822, designed for use in portable players, radios and […]