Content for LDR

Arduino Film Camera Shutter Checker

“Recently I bought two used-old film cameras. After cleaning them I realized that the shutter speed could be lagged by the dust, corrosion or oil lack, so I decided to make something for measuring the real exposition time of any …

Polarimeter With RaspberryPi

“A polarimeter is an instrument often used in chemistry to determine the concentration or purity of specific substances, like sugars or organic acids. Basically a light beam is -linearly- polarized by passing through a polarizer (filter sheet, crystal, mirror) after …

Project  MyRiver

MyRiver

“Bring river monitoring to a new level! Monitor the pH, water level, and pollution by insoluble substances of a river from anywhere. Story Overview A river or lake can be a great source of fun and relaxation. But if the …

DIY - Wifi Light Sensor - Wifi Communication to ThingSpeak

“The purpose of this project is to create a IoT (Internet of Things) device with arduino which send data to ThingSpeak by WiFi, and create real-time graphics. ThingSpeak store and retrieve data from things using the HTTPprotocol over the Internet …

Talking Musical NeoPixel Clock with Infrared, BLE and Touch Controls

“When Adafruit first introduced the 60 element Neo-Pixel ring in March 2004, the obvious choice for a project was to build a clock. By selectively lighting certain pixels around the ring you can depict analog time in a digital manner …

Weather Forecast Clock Using Old Alarm and Arduino

“I had a broken alarm clock lying around and came up with an idea to convert it to clock and weather forecasting station. For this project you will need: Old circular alarm clock Arduino Nano BME280 sensor module (temp, humidity …

Arduino Score Counter

“This Arduino Score Counter will count the number of baskets you make using the CD4026BE Decade Counter/Divider IC to count the number of baskets made and display that number on a 7 segment display. An Arduino paired with a …

Dual Axis Solar Tracker Panel with Auto and Manual Mode

“A solar panel that can rotate in two axis either automatically using four light sensors, either manually with the aid of two potentiometers. his is a project my students implemented during the 2017-2018 evening club Young Hackers. It is a …

DIY Miniature Solar Tracker

“In this project I will show you how to create a solar tracker which like the name implies can follow the movement of the sun throughout the day. And at the end I will show you the energy harvest difference …

SunGlass-BOT || Automatic SunGlass Robot.

“A Sun Glass that automatically detects light intensity and closes or opens it’s black glass. So from now on you don’t need to worry about eyes, this Glass is here to automatically protect your eyes.and also Opens …