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.

315Mhz RF Remote Receiver with On-Board Relay – Arduino Compatible

“This is one channel RF Receiver with an onboard Relay. The project can be used for ON/OFF control of AC or DC loads using an RF remote. It’s an Arduino compatible Receiver project that consists of, Atmega328 microcontroller …

Digital Vacuum Regulator

“This is a Veneer Vacuum Press (Vacuum Pump) which has been modified with a Digital Vacuum Regulator to operate with a selectable vacuum pressure. This device is a replacement for the Vacuum Controller in my DIY Veneer Vacuum Press built …

IoT Healthy Toilet

“A smart toilet that maintains a healthy environment analyzing air quality data using machine learning. Introduction Atmospheric conditions continue to deteriorate each year due to the growth of civilization and increasing unclean emissions from industries and automobiles. Although air is …

STM32 Soldering and Rework Station with TFT Display

“Soldering station supported Hakko T12 tips and rework Hot Air Gun 858D using color TFT ili9341 display. This is a third release of combined soldering iron controller for Hakko T12 tips and 858D rework station based on STM32 micro controller …

Automatic Plant Watering + Time-Lapse

“Automatic Plant Watering System with a built-in time-lapse to watch your plant grow! With this system, you never need to worry about it running out of water again. Using a moisture level sensor in the plant, every 30 minutes the …

Smart Indoor Harvesting Using Wio Terminal & Blynk

“Cloud connected, fully automated, smart indoor herb harvesting using Seeed Studio’s Wio Terminal and Blynk app. This project is basically designed and programmed by my daughter with little help from me. She participated in 2021 do-your-bit contest where she …

DIY Variable Isolation Transformer

“Let’s clear one thing first. This is not a “Step by step -How to” guide to make your own variable isolation transformer. This is just me sharing my work, comments and ideas while building a piece of much needed …

DIY Arduino Corner lamps

“Corner Lamps controlled via clap Make Lamps and put in the corner and when you enter the room, just clap and these Red and Blue lamps will turn On automatically. When you clap once again, these lamps turns Off.”

Arduino NERF Ball Wireless FPV Sentry Turret

“This project will guide you through the steps to make an Arduino based 360 degree rotating foam ball turret with full joystick wireless control, and first person view camera and headset. This is a moderately complex project for hobbyists looking …

ESP32 Home Automation

“Automating your house with the esp32 microcontroller to make a wireless light switch / alarm clock. in this project we’ll see the steps needed to make a d.i.y home automation system: wirelss light switch, with alarm clock around …