Content for Relay

Relay

A relay is an electrically operated switch. It consists of a set of input terminals for a single or multiple control signals, and a set of operating contact terminals. The switch may have any number of contacts in multiple contact forms, such as make contacts, break contacts, or combinations thereof.

Smart Plant Irrigation with Health Detection

“It can detect the moisture level and shows the current humidity level and temperature in degrees, as well as the plant’s health condition. How to Use Oled Display, Capacitive Moisture Sensor, DHT11 Temperature, Humidity Sensor and Relays with WIZnet …

Wifi IoT ESP8266 Relay Board Schematic

“You’ll learn how to create and assembly your own IoT PCB Automation. Anyone can control a device over the internet using this electronic board with Wifi support. It has the necessary features to facilitate installation and automation. The wifi …

How to Build a Simple DIY Home Automation System

“Home automation is a term used to describe the process of automating certain tasks and devices around the home. This can include tasks such as turning on the lights when you enter a room, or setting the thermostat to a …

Advanced Water Management (AWM) in 10 Steps

“If 100 people lived on Earth, 74 had drinking water available when needed and free of contamination. (source: who). With this instructable, slightly more. The equipment presented here permanently monitors and controls the water supply for a community of 7 …

DIY Fingerprint Lock Box

“Ever wanted a box that opens in a super cool way? We thought it would be fun to create a box that can be unlocked using the correct fingerprint! If we had more time, we would make the box more …

Project Eden: Smart Garden

“Project Eden is a fully IoT equipped station that has the ability to monitor the humidity, moisture and temperature surrounding the soil. It also parses data from Willyweather (local weather station) to determine if a rain event is occuring, and …

IoT Based Smart and Secure Lock V2.0

“In this project we’ve built IoT based smart and secure lock which have 4 layers of access. RFID + PIN + Fingerprint + OTP. In this project we’ve built IoT based smart lock which have 4 layers of access. RFID + PIN …

Smart Plant Incubator

“Help your baby plants get the sunlight they need while protecting them from wild temperature variations. Why this project? Like many people, my parents grow plants from seed in the early spring. When the seeds sprout my parents place them …

Talking alarm clock with 8x8x4 matrix display

“Wake to any of 100’s of MP3 messages from SDRAM. Scrolling display w/remote shows clearly w/o glasses. Temp too! This is my second Arduino build. Lots of fab issues have been resolved and this is more of …

V-I Component Tester Interface v2

“If you have an oscilloscope, you don’t need to buy a V-I Component Tester. Development based on v0. This is a development of it by using transformers and relays. On this project I used 3V telecommunication relays. Particularly I …