Photosensitive device works with light. When light hits the voltage or current changes. It can turn ON or OFF lamp, alarm or control system. They are used in auto lamp, sensors and safety circuits. Photocell: Photocell has special design. Light material is placed in zigzag between two metal contacts on ceramic base. Zigzag gives is […]
Simple Charger Breakdown Alarm Circuit
In electronic system good charger circuit very important. It give power to things like battery. This Simple Charger Breakdown Alarm Circuit check charger working or not. If problem found then buzzer makes sound. So user know fast if charger fails and this stop battery from drain or damage. It uses easy parts like transistor, resistor, […]
Simple Short Circuit Detection and Alert System
Simple Short Circuit Detection and Alert System is very important in power system. It stop damage when short happen. Short happen when positive and negative wire get touch. This make big current flow and can break parts or burn wire. Circuit uses 2 transistor, buzzer and LED to find and show short. If there is […]
Simple Boost Converter Circuit using IC LM2577
Boost Converter Circuit which is the step-up voltage regulator take low voltage and make it high. It is very useful when power source gives less voltage than needed. LM2577 is famous IC which helps make step-up circuit easy. This article for Simple Boost Converter Circuit using IC LM2577 shows how the IC works, give formulas, […]
Arduino Based Power Inverter Circuit
Inverter is a useful device in electronics. It changes DC (Direct Current) to AC (Alternating Current). In this project for Arduino Based Power Inverter Circuit we will make simple inverter using Arduino. It takes 12V DC and gives 230V AC. We have used Arduino UNO, IC 7809, some transistors and a reverse transformer to get […]
Smart Headlight Automation Circuit using IC 555
Smart Headlight Automation Circuit using IC 555 turns ON the car light by itself when dark. It uses LDR to check light outside and 555 IC decide when light turns ON. This circuit saves power, make car light work at right time and help driver be safe at night. Circuit Working: Parts List: Component Quantity […]