Content for LDR

Ultra Cheep Home Automation Under $5

“Today I am back with another project called ultra cheep home automation under $5. Home automation means you can control home applies more easily. You can control your fan lights exits with tip of your finger or allow them to …

Dark Sensitive Switch LED Light

“Dark activated LED light is a simple project which operates a LED when the light falling on the LDR goes below a set point. The circuit is built using LM393 comparator, LDR as light sensor, preset (potentiometer) for sensitivity adjustment …

Smart Garden

“In this project we will design and program a smart garden watering system. This system will use Arduino UNO and a moisture sensor to measure the volumetric water content in soil. It will also have a light (photocell) sensor to …

Introduction to Home Automation with Arduino and RF Signals!

“Today I’m going to show you an introduction on home automation with RF signals. Imagine the middle of the winter, its cold and dark outside, but thanks to automation you wake up to a warm and bright room, with …

Lettuce For Life - Arduino 101 Based Automated Controller for Hydroponics, Aeroponics, Aquaponics, Etc. Intel Curie

“A device that can be used to control up to 4 different Hydroponic/Aeroponic Systems at once. The device will control the components of the system and will display notification to a LCD screen and allow the user to customize …

Arduino - Laser Tripwire Alarm System

“In this instructable, we will be building a laser guided tripwire alarm system using a development board.”

DIY “Family Hub” Refrigerator with Raspberry Pi + Camera

“I used a Raspberry Pi and usb webcam to create my own “Family Hub” refrigerator. Every time I open the door a light sensor triggers the camera, which uploads the photo to the internet!”

Dark Sensitive Lamp ON/OFF Controller

“Dark Sensitive Lamp controller project switches a load connected to it when light falling on LDR (Light Dependent Resistor) goes bellow set point. It could be used as an automatic street light application. The project is based on Triac and …

Arduino Colour Sensor Under 1$

“So here is my first instructable,Coming to the topic,this is an arduino compatible colour sensor that is extremely made at low cost(don’t go on the image I ruined it whole while de attaching it from the …

Easy IoT weather station with multiple sensors

“In this tutorial, I will walk you through the steps to build an easy and cheap IOT weather station. The retrieved data is pushed via a wifi shield to Thingspeak. The data can be analysed on the Thingspeak channel or …