Voltage Level Monitoring Circuit using IC LM339 very important in modern electronics, as it helps system work correct, so to see voltage in real time we need to use voltage level readout circuit. Also, this circuit uses LM339 comparator IC for accurate voltage check and stable reading. Main parts are LEDs that show voltage level […]
LED and Lamps
Simple White LED Driver Circuit using TPS61161A
White LEDs are very common in lighting applications because we use them in electronics, car displays and home lighting due to their low power consumption, long lifespan and high efficiency. However, to ensure long life and proper performance, we must manage their power properly. Also, IC TPS61161A is special chip which is the LED driver […]
Designing a Simple 7W LED Bulb Circuit
LED lights last long and use less power so more people like them now. Furthermore, this article for Designing a Simple 7W LED Bulb Circuit shows how to make and use a 7W LED bulb circuit. Also, parts needed for this circuit are 230V AC power, MOV, capacitors, resistors, bridge rectifiers, Zener diodes. So, be […]
Simple Adjustable Brightness Control Circuit for LEDs
LEDs (light-emitting diodes) are used in many applications because they are durable, efficient and versatile also they are used in decoration and signaling and adjusting LED brightness is important in such applications. This Simple Adjustable Brightness Control Circuit for LEDs uses BC547 NPN transistor, resistors, one preset (variable resistor) and a white LED to change […]
Simple Arduino-Powered Running LED Circle Circuit
Making nice looking projects help learning and fun in electronics. Simple Arduino-Powered Running LED Circle Circuit is one easy project which uses Arduino to control LEDs in a circle. Also, this project is simple and it teaches coding, circuit making and LED control, here, a 10k pot changes LED speed and makes it fun to […]
Simple DIY Guide to a USB Desktop Lamp Circuit
Making USB lamp by ourselves is an fun hobby and we can learn electronics by using hands and be creative; also this circuit is good project for beginner or anyone who want to learn circuit. This Simple DIY Guide to a USB Desktop Lamp Circuit is a useful project to learn basic about electronic. USB […]





