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Designing an EL Wire Power Supply Circuit

Last updated on 2 August 2025 by Admin-Lavi Leave a Comment

EL wire need special power. Normal battery DC cannot power it. EL wire is thin, bright and flexible and it is used in art, clothes, signs and lights. It needs high voltage AC from 100 to 200V with 1 to 5 kHz. So, need EL wire inverter circuit where it changes low voltage DC to […]

Filed Under: Power Supply Circuits

Practical Emergency Tube Light Circuit

Last updated on 2 August 2025 by Admin-Lavi Leave a Comment

Practical Emergency Tube Light Circuit gives light when power goes OFF. This project uses few parts to make emergency light work well. Main parts are step-down transformer, pulse switch circuit and tube light. This tutorial teaches us how the circuit works and how to build it. Circuit Working: Parts List: Component Descriptions Quantity Resistors 680Ω […]

Filed Under: LED and Lamps

Simple Flame Sensor Circuit using Arduino

Last updated on 1 August 2025 by Admin-Lavi Leave a Comment

Flame sensor is very important for many uses like industry machines, safety check and fire alarm. In this post for Simple Flame Sensor Circuit using Arduino shows how to connect flame sensor to Arduino to find fire. This project is cheap and works well for real-life fire detection. Coding: Code for Flame Sensor Digital (D0) […]

Filed Under: Arduino Projects, Sensors and Detectors

Voltage Level Monitoring Circuit using IC LM339

Last updated on 1 August 2025 by Admin-Lavi Leave a Comment

Voltage Level Monitoring Circuit using IC LM339 very important in modern electronics, as it helps system work correct. To see voltage in real time we need to use voltage level readout circuit. This circuit uses LM339 comparator IC for accurate voltage check and stable reading. Main parts are LEDs that show voltage level and resistors […]

Filed Under: Indicator Circuits

Building an LDR Comparator Circuit using IC LM339

Last updated on 1 August 2025 by Admin-Lavi Leave a Comment

Building an LDR Comparator Circuit using IC LM339 is useful and important in many electronic jobs like sensing and control. Using LDR, resistors, LED and LM339 IC we can make a simple circuit to check light level and show light change. LDR works like light sensor and its resistance changes when light changes. Using preset […]

Filed Under: LDR Circuits

Battery Charger Circuit using IC TP5000

Last updated on 24 August 2025 by Admin-Lavi Leave a Comment

This Battery Charger Circuit using IC TP5000 charges lithium and LiFePO4 battery. It uses TP5000 IC and this IC work as buck converter and gives fast charge with no over heat. Circuit is small, simple and safe for battery. Circuit Working: Parts List: Component Value Quantity Resistors 1k 1/4 watt 1 0Ω 1/4 watt 1 […]

Filed Under: Battery Charger Circuits

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