Category Archives: mqtt

MQTT And The Internet Of Conference Badges

Today, nearly every modern consumer device wants to connect to the Internet for some reason. From your garage door opener to each individual smart bulb, the Internet of Things has arrived in full force. But the same can’t be said for most of our beloved conference badges. Wanting to explore …read more

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Posted in badgelife, conference badge, ESP32, featherwing, mqtt, Network Hacks, networking, RGB LED, wearable hacks | Leave a comment

Reverse Engineering Yokis Home Automation Devices

These days, it’s hard to keep track of all the companies that are trying to break into the home automation market. Whether they’re rebrands of somebody else’s product or completely new creations, it seems like every company has at least a few “smart” gadgets for you to choose from. We …read more

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Posted in home automation, home hacks, Microcontrollers, mqtt, NRF24, reverse engineering, Yokis | Leave a comment

Handheld MQTT Remote for Home Automation

If you’re working on a home automation project, you’re probably knee-deep into MQTT by now. If not, you should be. The lightweight messaging protocol is an ideal choice for getting your “Things” on the Internet, and controlling them all can be done easily through a simple web interface or an …read more

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Posted in ESP8266, home automation, home hacks, home-assistant, Microcontrollers, mqtt, NodeMCU, remote | Leave a comment

Hackaday Podcast 046: Bring Us Your Nonsense, Hacking NES Clones, Grasping FPGAs, Many a Music Hack, and Fish Tanks Full of Random

Hackaday editors Elliot Williams and Mike Szczys highlight the most delightful hacks of the past week. Need a random-number showpiece for your office? Look no further than that fish tank. Maybe the showpiece you actually need is to complete your band’s stage act? You want one of Tristan Shone’s many …read more

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Posted in Chandrayaan-2, electric guitar, Hackaday Columns, midi controllers, mqtt, podcast, Podcasts, random number generator, tremolo | Leave a comment

Found Footage: Elliot Williams Talks Nexus Technologies

Back at the 2017 Superconference, Hackaday Managing Editor Elliot Williams started his talk about the so-called “Internet of Things” by explaining the only part he doesn’t like about the idea is the Internet… and the things. It’s a statement that most of us would still agree with today. If anything, …read more

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Posted in 2017 Hackaday Superconference, cons, ESP8266, Hackaday Columns, Hackaday SuperConference, hardware hacking, home automation, home hacks, internet of things, mosquitto, mqtt | Leave a comment

Sniffed Transformer Puts Wired Doorbell Online

There’s certainly no shortage of “smart” gadgets out there that will provide you with a notification, or even a live audiovisual stream, whenever somebody is at your door. But as we’ve seen countless times before, not everyone is thrilled with the terms that most of these products operate under. Getting …read more

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Posted in classic hacks, doorbell, ESP8266, home automation, home-assistant, Microcontrollers, mqtt, transformer, voltage divider | Leave a comment

Building a Safe ESP32 Home Energy Monitor

The first step to reducing the energy consumption of your home is figuring out how much you actually use in the first place. After all, you need a baseline to compare against when you start making changes. But fiddling around with high voltage is something a lot of hackers will …read more

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Posted in AWS, current transformer, energy monitor, green hacks, home automation, home hacks, inductor current tester, mqtt | Leave a comment

MQTT Deep Dive

If you read Hackaday, it is a good bit you’ve heard of MQTT — Message Queueing Telemetry Transport. If you’ve not used MQTT before, you should check out Ably’s [Kayla Matthews’] post entitled  MQTT: A Conceptual Deep Dive paper. She does mention their MQTT protocol connector at the end, and …read more

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Posted in Microcontrollers, mqtt | Leave a comment

Raspberry Pi Catches The Early Bird

If you live in an area with high bird activity, setting up a bird feeder and watching some hungry little fellows visit you can be a nice and relaxing pastime. Throw in a Raspberry Pi with some sensors and it can also be the beginning of your next IoT project, …read more

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Posted in bird feeder, capacitive sensor, IoT, mqtt, pet feeder, Raspberry Pi, Raspberry pi camera | Leave a comment

Freeform ESP8266 Network Attached Data Display

Like many of us, [Josef Adamčík] finds himself fascinated with so-called “freeform” electronic designs, where the three dimensional circuit makes up sections of the device’s structure. When well executed, such designs really blur the line between being a practical device and an artistic piece. In fact his latest design, an …read more

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Posted in art, brass, Circuit Sculpture, ESP8266, Microcontrollers, mqtt, oled | Leave a comment