Intercom Circuit using Transistors
An intercom is a stand-alone voice communications system for use within a building or small collection of buildings. … Read more
Sidra Aziz
Simple Guitar Amplifier Circuit using TDA7052 – DIY
Nowadays in the music industry, electric guitars play a giant role. A guitar amplifier is an electronic circuit … Read more
Sound Activated Switch Using LM386 Amplifier IC
Sound-activated switches are designed to provide a mechanism through which one can turn on or off any electrical … Read more
Solid State Relay using MOC3021 Optoisolator
Relay is a component that provides complete electrical isolation between their input and output contacts at very high, … Read more
Toy Ambulance Siren Using 555 IC
Nowadays, most children’s toys like cars and bicycles are equipped with sirens. This siren can easily be made … Read more
Latch Switch Using Transistors
A latch circuit is a circuit that locks its output when an input trigger signal is applied and retains … Read more
Telephone Ringtone Generator Using 555 IC
Ring tones in the old telephone sets and piezo buzzer in the current electronic telephone instruments are not … Read more
Simple Sound Controlled DC Motor using CA3140 IC
The motor plays an important role in many engineering applications. People always search for an efficient and easy … Read more
LED Audio Level VU Meter Using Transistors
A volume unit (VU) meter is a device displaying a representation of the signal level in audio equipment. They are used in telephone installation and radio … Read more
Simple Siren Enhancer Circuit 10Watt Using IRF9540
Siren is a continuous tone that varies in frequency. Usually, the output of the siren circuit is very … Read more
Simple Multiple Door Indicator Circuit
Have you ever forgotten to shut your home door at night? This might be a terrible experience as … Read more
Mosquito Repellent Circuit Using Two Transistors
With the rising number of mosquito-borne illnesses like malaria or dengue, control of mosquitoes is something of utmost … Read more
Electronic Organ Circuit Using Transistors
A simple electronic toy piano can be easily constructed using transistors and a few discrete components. The circuit … Read more
S8050 NPN Transistor – Datasheet
S8050 is a low voltage high current small signal NPN epitaxial silicon transistor, designed for Class B push-pull … Read more
2N2222 NPN Transistor – Datasheet
2N2222 is an NPN bipolar junction transistor commonly used for low power amplification and switching. It has three … Read more
BC546 NPN Transistor – Datasheet
BC546 is an NPN epitaxial silicon transistor that is available in a TO-92 package. This transistor is very … Read more