led/Lamps/Flashlights Archives - Page 2 of 4

Automation Cool homemade utility Gadgets / circuit projects ECE engineering projects Lamps and flashlights led/Lamps/Flashlights Microcontroller based projects PIR Sensor based

PIR Motion Sensor Light | Automatic motion detection light

PIR motion sensor light. Hello engineers, sometimes it’s a bit difficult to go in a dark room and find a light switchboard to turn ON the lights and it’s sometimes lazy too to switch on and off the lights when going in or out of the room each time or going through the garage or […]

Automation Cool homemade utility Gadgets / circuit projects ECE engineering projects IC 555 projects Lamps and flashlights led/Lamps/Flashlights

IC555 delay timer for controlling the on-off time of AC devices

Hello engineers, In this article, I will explain how to control AC appliances ON-OFF time using the IC555 Delay timer circuit that I have already discussed in the previous article. The delay timer ON-OFF circuit is similar and has just a few more components. So, Let’s Starts with the materials required and diagram followed by […]

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 […]

Lamps and flashlights led/Lamps/Flashlights

Swastika using multicolor LEDs

Hi guys, In this article, there is no gadget or circuit today, just there is an idea shared by me for using multicolor LEDs to make something good and decorative out of simple art and multicolor LEDs. Swastika using multicolor LEDs.So let’s start our discussion further on, Swastika using Multicolor LEDs, Multicolor LEDs are a […]