Sold by German DIY store OBI, the OBI Energy Tracker is a €15 set of two devices, one of which you essentially stick on top of your existing electricity meter. …read more (https://hackaday.com/2026/07/07/reverse-engineering-and-self-hosting-the-obi-smart-energy-tracker/)

It’s Full Steam Ahead for This Motorized Canoe
https://hackaday.com/2026/07/07/its-full-steam-ahead-for-this-motorized-canoe/

In some parts of Canada, you’ll rarely hear someone use the phrase “whatever paddles your canoe” instead of the more usual “whatever floats your boat”– and apparently, at least for …read more (https://hackaday.com/2026/07/07/its-full-steam-ahead-for-this-motorized-canoe/)

It’s Now Imperative That You Copy That Floppy
https://hackaday.com/2026/07/07/its-now-imperative-that-you-copy-that-floppy/

In the early 1990s, Don’t Copy That Floppy was an anti-piracy campaign that attempted to connect with computer-savvy youth through the power of hip-hop. While somewhat difficult to imagine given …read more (https://hackaday.com/2026/07/07/its-now-imperative-that-you-copy-that-floppy/)

The Atari Jaguar Runs Linux
https://hackaday.com/2026/07/07/the-atari-jaguar-runs-linux/

Among the many forgotten might-have-beens of the games console world, the Atari Jaguar occupies a special place. It was the final gasp of Atari Corporation, the Jack Tramiel-era incarnation of …read more (https://hackaday.com/2026/07/07/the-atari-jaguar-runs-linux/)

ESP32 Keeps Tabs on Your Local Airspace
https://hackaday.com/2026/07/08/esp32-keeps-tabs-on-your-local-airspace/

We know, we know. Despite being called ESP32-Plane-Radar, this project from [Mateusz Juszczyk] isn’t actually using radar. But thanks to the round LCD this desktop gadget does a fantastic job …read more (https://hackaday.com/2026/07/08/esp32-keeps-tabs-on-your-local-airspace/)

This DIY Time Server is More Accurate Than You Need
https://hackaday.com/2026/07/08/this-diy-time-server-is-more-accurate-than-you-need/

You almost certainly don’t have an application for the sort of accurate timekeeping that’s made possible by this enhanced version of [Cristiano Monteiro]’s satellite-backed time server. By his own admission, …read more (https://hackaday.com/2026/07/08/this-diy-time-server-is-more-accurate-than-you-need/)

Linux Fu: The Local Phonebook
https://hackaday.com/2026/07/08/linux-fu-the-local-phonebook/

I’ll admit it: I miss the simplicity of /etc/hosts. There was something elegant about it. You wanted laserprinter to mean 192.168.1.40, so you opened a text file and wrote: 192.168.1.40 …read more (https://hackaday.com/2026/07/08/linux-fu-the-local-phonebook/)

Hacking Amazon Echo Show 8 3rd Gen via UART and eMMC
https://hackaday.com/2026/07/08/hacking-amazon-echo-show-8-3rd-gen-via-uart-and-emmc/