Content for LDR

Light Sensitive Double LED Blinker

“Today I am going to make a circuit of Light Sensitive Double LED Blinker.It means LEDs will blink alternate when no light will fall down on the LDR and LEDs will glow continuously when light will be on the …

SilverLight: Arduino Based Environmental Monitor for Server Rooms

“Once I was given the task to look for an environmental probe for monitoring the temperature in the server room of my company. My first idea was: why not just use a Raspberry PI and a DHT sensor, it can …

Automatic Street Light Using LDR or the Light Sensor

“It can never be overstated that learning by doing is the best way to learn. And we’re back again with a simple yet super fun to make DIY LED street light project for kids to make and learn a …

Arduino Nano Clock with 4x64 LED Matrix

“Small size code and simple hardware. Reading a clock display in a room at several meters requires such a LED matrix display. Having bought at a good price a 4 cell display, I looked on Hackster for available projects: there …

Project  Heliostat

Heliostat

“Wouldn’t it be cool to charge your cell phone with the power of the sun instead of simply plugging it into a socket? In this workshop we will built a Heliostat, which is a device that reflects and follows …

Weather Based Music Generator (ESP8266 Based Midi Generator)

“Hi, today I’ll explain how to make your own little Weather based Music generator. It’s based on an ESP8266, which is kind of like an Arduino, and it responds to temperature, rain and light intensity. Don’t expect …

Digispark & WS2812 Rainbow Wheel in a Box

“This tiny project has been made around a nicely carved 10x6x5cm wooden box I found in a shop. Its best feature, which has not actually been properly caught on camera, is to light up with bright, saturated colors, the sides …

Gravitational Acceleration Measurement

“The purpose of this project is to give a global overview of a science laboratory to students who are discovering physics. It covers the different important points of a manipulation: - the development of the theory of a simple situation, - the …

Animated Word Clock

“Build your own Word Clock with a Matrix Animated display. This is a simple project uses an Arduino Nano, Color LEDs and includes a stylish 3D Printed Case. The Word Clock has three animated patterns- Matrix style - Typewriter Style - Rainbow …

Building an Automatic Solar Tracker With Arduino Nano V2

“Hi! This Instructable is meant to be a part two to my Solar Tracker project. For an explanation of how solar trackers work and how I designed my first tracker, use the link below. This will offer context for this …