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 […]
Simple Flame Sensor Circuit using Arduino
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) […]
Voltage Level Monitoring Circuit using IC LM339
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 […]
Building an LDR Comparator Circuit using IC LM339
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 […]
Battery Charger Circuit using IC TP5000
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 […]
Designing a High Current, Low Voltage Regulator Circuit with the MIC29302WT
Modern electronics need good power control especially for high current and low voltage use. MIC29302WT is strong LDO regulator and it gives high current with small voltage drop. It is good for battery devices, car electronics and microcontroller power. It gives up to 3A current, so it can handle heavy circuits. Output voltage is from […]





