Adjustable AC Circuit Breaker
This circuit breaker employs a single operational amplifier (op-amp) and yet has a wide range and is user-friendly. A circuit breaker is an electrical switch intended to protect an electrical circuit...
Versatile Probe
You can use this versatile probe for continuity testing and identification of transistor type and transformer windings. The N-side or P-side of a transistor can be identified quickly in one go....
USB Power Socket
Today, almost all computers contain logic blocks for implementing a USB port. A USB port, in practice, is capable of delivering more than 100 mA of continuous current at 5V to...
Stress Meter | Circuit Diagram With Full Explanation
This stress monitor lets you assess your emotional pain. If the stress is very high, it gives visual indication through a light-emitting diode (LED) display along with a warning beep. The gadget is small enough to be worn around the wrist.
Music-Operated RGB LED
Here, RGB LED light intensity and colour change with the rhythm and volume of music. It is a great idea to have such a lighting system at home, gym or music...
Simple DC To DC Converter For Microcontroller Kit
This article describes a simple, low-cost DC to DC converter for a microcontroller (MCU) kit. This converter is built around popular NE555 timer. It can provide positive and negative output voltages...
Cistern Overflow Alert System
The overflow alert system presented here will electronically monitor cistern (tank that holds water to flush the toilet) overflows that can otherwise cause seepage in the flats below in a multi-storied...
Multitone Siren
This multitone siren is useful for burglar alarms, reverse horns, etc. It produces five different audio tones and is much more ear-catching than a single-tone siren.
A multitone siren circuit
The circuit is...
Software-Defined Radio with Android Smartphones
Software-defined radio (SDR) is one of the most important wireless communication technologies. It is a unique type of radio system that can tune to any frequency band. The SDR platform is...
Automatic Switch-off Battery Charger
Presented here is an automatic switch-off battery charger based on a 555 timer IC. This smart charger automatically switches off when your rechargeable batteries reach the full charge.
The circuit comprises a...
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Program Arduino With Your Android Device
As you may already know, using a USB OTG (on-the-go) adaptor, you can connect pen drives, game...
Automatic Certificate Generation Using MATLAB
MATLAB is a versatile tool that can automate many tasks. Presented here is a MATLAB code to...
Python-Based Species Classification Wireless Camera For Forest Survey And Monitoring
Continuous hunting as driven a lot of animal species to extinction and the Government has brought about...
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