Content for Relay

Sky Control V1 - Temperature and Humidity Controller With Relays

“This intructable will teach you how to make very cheap Sky Control module (temperature and humidity controller). All the parts cost below 10$. The module is based on Arduino Uno. It uses a DHT22 sensor to measure temperature and humidity …

Smart Mirror with Home Automation using chats

“The project Smart Mirror with home and garden automation describes the design and development of a futuristic smart mirror that represents an unobtrusive interface for the ambient home environment with automation using Raspberry Pi. The mirror provides a natural means …

Programmable Automatic Blind Opener

“A while ago I changed my room around, which made opening and closing the roller blind harder. Like most people, I close the blinds when it gets dark and I have to put the lights on. Similarly, I open the …

The Multitasking “Final Countdown” Timer With Wireless Programming

“While playing a game called slither.io, Nathan Ramanathan was asked by his father to turn on a wet grinder for “exactly 45 minutes.” As explained, this device uses stones to grind rice into dough, producing material for delicious-looking Dosa …

3d Filament Extruder

“Instead of buying filament produced from plastic pellets. Why not use your own plastic waste and produce filament much cheaper and eco-friendly? It’s environmental project that will help sustain plastic problem. Plastic shreds are inserted through hopper. the heater …

Micro Controlled Firework Rocket Launcher

“Nowadays so many people, specially children just enjoy with the fire works carelessly so, I decided to create safety rocket launcher to minimize those damages instead of suggesting them Here I am showing how to make a cheap Arduino bluetooth …

NodeMCU - Smart Home Switch

“This guide purpose is to show how you could control any remote switch remotely over the internet without maintenance any static IP address. This guide is not required any previous knowledge, but basic code knowledge is recommended. Before starting read …

Arduino Controlled Pump for Draining Water

“The idea of this project came out when I bought a condensing gas boiler for my apartment. I don’t have any drain close by for the condensed water the boiler produces. So the water is collected in a 20 …

Build a Simple Cocktail Drinkbot with Arduino

“Big parties need a conversation piece, and what’s better than a drink-making robot? Not only is it a good conversation starter, it also frees up the party host who would normally be the bartender. It turned out that the …

When IoT Meets AI: Home Automation With Alexa and NodeMCU

“What we will explore on this tutorial, is how to use Alexa, an intelligent personal assistant developed by Amazon Lab126, made popular by the Amazon Echo and Echo-Dot. Alexa is capable of voice interaction, music playback, making to-do lists, setting …