Dark Activated Alarm Circuit using LDR
The dark-activated alarm is a circuit that is used to identify darkness or loss of light. It only … Read more
Arooha Dar
Simple Multi-Tone Generator Circuit using Transistors
A multi-tone generator is often called a signal generator. A tone generator circuit is a simple electronic circuit, … Read more
Simple Relay Flasher Circuit with NE555 Timer
A Relay Flasher circuit is used for operating the flashlights in various ways for many purposes such as … Read more
Automatic Light Fence Circuit with Alarm
The light fence circuit is used to detect the presence of any person or object in a specific … Read more
Charge Pump Circuit – Getting Higher Voltage from Low Voltage Source
A charge pump is a kind of converter that uses energetic charge storage condensers to increase or decrease … Read more
Simple Curve Tracer Circuit for Resistor, Diode, and Transistor
Many electronics struggle with Tracing Curves, whether it be the smooth VI line of a capacitor or the … Read more
Battery Level Monitor Using TL071 IC
The battery level monitor circuit can be used to indicate the required low battery level. This is an … Read more
Electronic Appliances Switch Left open Indicator
Electronic devices, such as computers, printers, air conditioners, televisions, etc., use electricity when in use but still use … Read more
Car Engine Overheat Detector Alarm
This circuit warns when a vehicle such as a car, jeep, bus, etc gets overheated, or its temperature … Read more
Low Battery Voltage Cut-off OR Disconnect
Rechargeable batteries have very good efficiency and life if we look after them. There are many things to … Read more
High / Over Temperature Sensor Alarm
The high / over temperature sensor or detector alarm is a circuit that senses the temperature of the … Read more
Frequency to Voltage Converter using KA331 IC
A frequency-to-voltage converter is an electrical system that transforms the frequency of sinusoidal input into an equivalent current … Read more
Simple 12V Battery Status Indicator
The simple 12V battery status indicator is a circuit that shows the battery state only by flashing LEDs. … Read more
LED Roulette Circuit using 555 timer IC
Here we’ll teach you how to create a 555 timer IC LED Roulette Circuit and let you know … Read more
Magnetic Door Alarm Circuit using Hall Sensor
The door alarm is a very popular protection system and is useful. They are used to see whether … Read more
Missing Pulse Detector Circuit
As a signal goes through a rapid shift from base to higher value and after some period returns … Read more