Long Range Wireless Sensors for the Home-Area-Network
In the near future, we will all reside in households that contain hundreds of little devices intertwingled together with an easily connectable and controllable network of sensors. For years, projects...
View ArticleElectricity Monitoring with a Light-to-Voltage Sensor, MQTT and some Duct Tape
When it comes down to energy management, having real-time data is key. But rarely is up-to-the-minute kilowatt hour information given out freely by a Utility company, which makes it extremely hard to...
View ArticleControlling Central Heating Via Wi-Fi
If you’ve ever lived in a building with manually controlled central heating, you’ll probably understand [Martin]’s motivation for this hack. These heating systems often have old fashioned valves to...
View ArticleIoT Enabled Thomas The Tank Engine
This month the popular “Thomas the Tank Engine” toy celebrated its 70 anniversary. As a fun project, [tinkermax] wanted to bring this traditional toy into the age of IoT, while preserving its physical...
View ArticleRFM69 to MQTT Gateway on the Super-Cheap
[Martin] is working on a RFM69-to-MQTT bridge device. If you’re at all interested in DIY home automation, this is going to be worth following. Why? When your home automation network gets big enough,...
View ArticleBreak Your Wrist? Twitter-Enable That Plaster Cast
Plaster casts are blank canvases for friends and family to post their get well messages. But if it’s holiday season, adding blinky LED lights to them is called for. When [Dr Lucy Rogers] hurt her hand,...
View ArticleArt for Planespotters
We don’t know art, but we know what we like. And this gizmo by [Johan Kanflo] is right up our alley. First, [Johan] gutted an old Macintosh Classic computer and stuffed a Raspberry Pi inside. Now this...
View ArticleCustom Siri Automation with HomeKit and ESP8266
Knowing where to start when adding a device to your home automation is always a tough thing. Most likely, you are already working on the device end of things (whatever you’re trying to automate) so it...
View ArticleMinimal MQTT: Building a Broker
In this short series, we’re going to get you set up with a completely DIY home automation system using MQTT. Why? Because it’s just about the easiest thing under the sun, and it’s something that many...
View ArticleWhen the Smart Hits the Fan
A fan used to be a simple device – motor rotates blades, air moves, and if you were feeling fancy, maybe the whole thing oscillates. Now fans have thermostats, timers, and IR remotes. So why not...
View ArticleMinimal MQTT: Networked Nodes
Last time on Minimal MQTT, we used a Raspberry Pi to set up an MQTT broker — the central hub of a home data network. Now it’s time to add some sensor and display nodes and get this thing running. So...
View ArticleMinimal MQTT: Control and Clients
So you’ve built a central server and filled your house with WiFi-connected nodes all speaking to each other using the MQTT protocol. In short, you’ve got the machine-to-machine side of things entirely...
View ArticleMinimal MQTT: Power and Privacy
In this installment of Minimal MQTT, I’m going to cover two loose ends: one on the sensor node side, and one on the MQTT server side. Specifically, I’ll tackle the NodeMCU’s sleep mode to reduce power...
View ArticleDumbing Down a Smart Switch
Internet of Everything is the way to go for home automation these days. ITEAD makes an ESP-8266 switch that IoT-ifies your appliances. If you still have an ancient, 433 MHz style radio switch system,...
View ArticleWe’re Fans of Dave’s Fans
Hackaday.io contributor extraordinaire [davedarko] gets hot in the summer. We all do. But what separates him from the casual hacker is that he beat the heat by ordering four 120 mm case fans. He then...
View Article64×16 LED MQTT Laundry Display
When you have an MQTT broker receiving messages, you want to be able to see them. [Xose Pérez] already had a system set up that sent him notifications, but he had a pair of 32×16 LED matrices, so he...
View ArticlePURE Modules Aim to Make Prototyping Easier
[Sashi]’s PURE modules system wants your next wireless microcontroller and sensor module project to be put together using card-edge connectors. But it’s a lot deeper than that — PURE is an entire...
View ArticleRaspberry Pi Home Automation for the Holidays
When you want to play around with a new technology, do you jump straight to production machinery? Nope. Nothing beats a simplified model as proof of concept. And the only thing better than a good proof...
View ArticleVoltmeter Speaks MQTT Without Libraries
[Emilio Ficara] [built himself an Internet-connected MQTT multimeter](http://ficara.altervista.org/) (translated from Italian by robots). Or maybe we should say that [Emilio Ficara] undertook a long...
View ArticleHacking on the Weirdest ESP Module
Sometimes I see a component that’s bizarre enough that I buy it just to see if I can actually do something with it. That’s the case with today’s example, the ESP-14. At first glance, you’d ask yourself...
View Article
More Pages to Explore .....