Automation Cool homemade utility Gadgets / circuit projects IC 555 projects

IC 555 Delay Timer circuit | Easy timer circuit

Hello Engineers, in this article, today I am going to discuss a reliable and good quality delay timer ON and OFF circuit using IC555 and a push-button for the trigger. The circuit time is set by the capacitor value used. So, let’s start discussion starting by the circuit diagram and materials required followed by explanations […]

Automation Cool homemade utility Gadgets / circuit projects led/Lamps/Flashlights Microcontroller based projects

LED Chaser using microcontroller AVR ATmega 16

Hello, There are tons of LED Chaser circuits over the internet including analog ones, digital ICs, or Microcontroller based. Today in this blog I will discuss a simple LED chaser +blinker using the AVR ATmega16 microcontroller. So, let’s discuss it below starting with the introduction followed by the circuit, program, and a video. AVR ATmega16 […]

AC TO DC /Rectifier Cool homemade utility Gadgets / circuit projects Lamps and flashlights led/Lamps/Flashlights Power supply

Transformerless power supply regulated 220v-5v

Hi guys, Today I’m going to discuss a new circuit by me, which is a regulated 220v AC to 5v DC Regulated transformerless power supply using LM7805 and TIP41.The circuit discussed in this article is a bit more than just a few capacitors, diodes, and Zener diodes. So, let’s get started with the materials, then […]