Content for LDR

Simple LED Matrix Clock - Internet Time Synced - ESP32 Based

“When my very old analog wall clock stopped working, I wanted to quickly buy a new digital one, but then —- a 8x8 LED Matrix board with four modules, laying on my desk for a while, caught my attention —- and this …

Pico stair lights

“Using the Raspberry Pi Pico and Neopixels for animated stair lights. The beginning.. again Back when life was simple and the only people wearing masks into shops were bandits or folk in fancy dress, I made an LED stair light …

RE-LAPSE: Resin Printer Time-Lapse Recording with ESP32 CAM and Blynk

“For years I’ve been using FDM printers as my go-to for 3D printing, but recently expanded my horizons into resin printing. I like my LuzlBot Mini 2 but can never get it dialed to the point were I can …

Build a Laser Harp From Scratch

“This is actually a really simple circuit, using just one hex-inverter chip and a handful of small, common components. Discover step-by-step how this circuit works by building it on breadboard first with a detailed guide. Finally, build the finished instrument …

DIY Arduino Laser pointer Shooting Game

“You need to shoot as many targets as possible. You get one point and one more shot for each destroyed Target The object of the game is to shoot the LDR (target) under the active LED with a light beam …

A Bolt IoT-based Automobile Anti-theft System

“This project is developed to provide a user with a solution to track their vehicle in real-time if someone tries to steal or break into it. Cars are slowly becoming a necessity now owing to the pandemic situation prevalent all …

Irrigation system

“Measures soil moisture and lighting. watering plants when humidity is low and no sun through valve control. log data to SD card. This system is for automating watering plants at home, it release you from manually watering the plants and …

Project  clOCkTAL

clOCkTAL

“Because binary coded decimal clocks are too easy to read. Binary Coded Octal clock with auto brightness control, based on a PIC16F688, developed with SDCC. Firmware The heart of this minimalist clock is the zero error Bresenham algorithm. It uses …

Project  Laser Harp

Laser Harp

“The laser harp was born as a remake of an old project. The basic idea is to create a variation of a classic instrument such as the harp using current electronic technologies, such as microcontrollers, sensors and speakers. The structure …

Make Your Own RGB Ring Light Glasses

“It’s really difficult to read in dark environments, so I made a pair of glasses with Neopixel RGB lights and a photoresistor so you never have to worry about lighting again! These glasses use a 3D printed frame designed …