Content for Relay

Intelligent Charger for 9V NiMH Rechargeable Batteries V1

“Regulated smart constant current charger for 9V NiMH rechargeable batteries.”

Arduino Clap-On Lights - Introduction to Relays

“Everyone knows about clap-on lights, or “clappers”. I’ve always wanted one and my personal philosophy is that the best way to get what you want is to make it yourself. Making clap-on lights is easy with Arduino. What’s …

Budget off-grid automatic watering with solar panels

“This instructable includes solar panels powering water pump, Arduino and all electronics under or about $30. The system waters up to 6 planters.”

Control Your Home Appliances Using Arduino And Relay

“Hello everyone, In this instructable we will be using Arduino And Relay module to control home appliances.”

Automated Plant Watering System

“Going away from a while? Need something to babysit your house plants? This box will automatically deliver an adjustable volume of water to four plants (or less) every day, or once every “x” day (up to seven days). A micro …

Peltier Fermentation Chamber for Beer

“Most homebrewers know the importance of controlling the fermentation of their beer. I initially used fridges, but fridges only cool the beer down. What if you need a chamber that can both heat and cool? Enter the peltier! Peltier modules …

Simple Pump Controller and Circuit

“A recent project at work required that I drain water from two tanks periodically. Since both of the tank drains are located below the level of all the drains in the room, I would fill up buckets and transfer the …

WiFi Plant Watering ESP8266

“So I was always forgetting to water my plants, and as a result they would get dry and sometimes even die. So I though it would be cool to be able to water my plants with my phone. Its connected …

Every Liter Counts! Arduino Water Doser “Shield”

“Hi! With this instructable , you can dose a desired amount of water. The system can work in mL and L. We will use an Arduino UNO, a flow meter to count the amount of water, a LCD to show the …

Garduino: Geek Gardening with Arduino

“I wanted to start gardening, but I knew I wouldnt keep up the regular schedule of watering the plants and making sure they got enough light. So I recruited a microprocessor and a suite of sensors to help with these …