Fluorescent lamp need high voltage AC to start and keep glowing., so we have designed this 12V Battery Powered Fluorescent Lamp Driver Circuit which uses 12V battery to run fluorescent lamp. It change low voltage DC from battery to high voltage AC for the tube and it is good for battery device and emergency light. […]
LED and Lamps
Simple Boost Converter LED Torch Circuit using IC MAX660
Simple Boost Converter LED Torch Circuit using IC MAX660 is small but useful light tool, as this project use MAX660 chip to make LED torch work well. MAX660 boost 3V battery to higher voltage and can light many LEDs, furthermore, it is good for battery devices needing more voltage and with no inductor needed. Also, […]
Air Puff Controlled LED Circuit
The Air Puff Controlled LED Circuit is a fun and easy project to build and when we blow air onto the microphone, the circuit turns the LED OFF. This circuit is useful for no-touch controls, interactive devices, demonstration projects, and display applications. Main part is electret mic which hears our puff and then mic triggers […]
Car LED Voltmeter Circuit using IC LM324
Car LED Voltmeter Circuit using IC LM324 is useful project to check car battery voltage, here, LEDs show different voltage which is easy to see battery condition. Main part are LM324 op-amp which act like voltage checker and voltmeter measures voltage between two points. Hence, this circuit is an LED voltmeter using the IC LM324 […]
12V Battery Level Indicator Circuit using IC LM3914
The IC LM3914 based 12V Battery Level Indicator Circuit shows how much battery charge is left, also it works well with 12V battery-powered devices and helps prevent sudden power loss. IC LM3914 senses voltage and control 10 LEDs , it show in dot mode or bar mode and also it work with 3V to 25V […]
Simple 12V Single Lamp Flasher Circuit
Simple 12V Single Lamp Flasher Circuit make lamp blink ON and OFF which looks cool; also this circuit is simple and strong and is good for 12V car lamps. Furthermore, we can use this circuit for turn signals, warning lights and decorative lighting. The circuit uses a BC557 transistor and an IRF530 MOSFET for switching […]