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Newly Updated Circuit Projects:

Transistor Monostable Circuits with Applications

Last Updated on January 3, 2024 by Swagatam 23 Comments

transistor monostable with LED

In this post I have explained how to build a few simple monostable circuits using only transistors, and also learn how to make practical application circuits with them. If you search for transistor monostable circuit online, you will find that one typical circuit has been discussed in all the online articles. This circuit looks a […]

Filed Under: Mini Projects Tagged With: Applications, Circuits, Monostable, Transistor

Basic Op Amp Circuits and Projects

Last Updated on January 3, 2024 by Swagatam 20 Comments

op amp integrator equation relationship

In the following article I have explained op amp basic application circuits and projects, with equations, for solving their specific component values. Op-amps (operational amplifiers) are a specialized type of integrated circuit that include a directly-coupled, high-gain amplifier with an overall response characteristics adjusted by a feedback. The op-amp derives its name from the fact […]

Filed Under: Mini Projects Tagged With: Basic, Circuits, Projects

Electronic Measuring Tape Circuit using Ultrasound

Last Updated on January 3, 2024 by Swagatam 2 Comments

electronic measuring tape circuit

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. The circuit can be also used to measure distances between two surfaces or walls. Basic Working Ultrasounds are part of the range of sounds that […]

Filed Under: Mini Projects Tagged With: Electronic, Measuring, Tape, Ultrasound

Battery Low Voltage Alarm Circuit

Last Updated on January 3, 2024 by Swagatam 4 Comments

table 1

Despite its simplicity, the Battery Low Voltage Alarm circuit has a very important function. It forewarns you of approaching battery failure so that you may run to the store and get replacement cells before your equipment stops functioning entirely. Because of its compact size and low current need, it may be integrated into the devices […]

Filed Under: Security and Alarm Tagged With: Alarm, Battery, Voltage

Automatic Food Warmer Lamp for Hotels

Last Updated on January 3, 2024 by Swagatam 3 Comments

food warmer lamp timer circuit

In this post I have explained a simple food warmer lamp timer circuit for restaurants and hotels which can be used for automatically switching OFF the lamps after a predetermined time whenever the food under the lamps are idle or in the absence of an interaction under the lamps, thus saving precious electricity. The idea […]

Filed Under: Temperature Controllers Tagged With: Automatic, Food, Hotels, Lamp, Warmer

5 KVA to 10 KVA Automatic Voltage Stabilizer – 220 Volts, 120 Volts

Last Updated on January 3, 2024 by Swagatam 96 Comments

LM324 Operational Amplifier

Voltage stabilizer in the range of kVAs are powerful AC voltage stabilizer units specially designed for controlling and stabilizing high voltage fluctuations, for high power electrical equipment. In this article I have explained an easy to build a 7 stage high wattage in the order of 5000 to 1000 watts stabilizer circuit which can be […]

Filed Under: Voltage Control and Protection Tagged With: 220, Automatic, KVA, Stabilizer, Voltage, Volts

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