As any science YouTuber or first-year physics student is quick to point out, the universe is mostly empty space. Not just space itself, but the amount of “empty” space between …read more (https://hackaday.com/2026/09/13/dramatically-increasing-usable-closet-space/)

CircuitPython Goes Turbo With Precompiled Functions
https://hackaday.com/2026/09/14/circuitpython-goes-turbo-with-precompiled-functions/

It would not be at all original to declare that Python is the new BASIC. Like BASIC, it has been the first programming language for a whole generation of coders, …read more (https://hackaday.com/2026/09/14/circuitpython-goes-turbo-with-precompiled-functions/)

It’s The Speech Synthesiser You Wanted, For The Computer You Had
https://hackaday.com/2026/09/14/its-the-speech-synthesiser-you-wanted-for-the-computer-you-had/

If you had an 8-bit computer in the 1980s and bought a speech synthesiser for it, what you got was invariably an alophone-based synthesiser using the SP0256 or similar. You …read more (https://hackaday.com/2026/09/14/its-the-speech-synthesiser-you-wanted-for-the-computer-you-had/)

How High-Voltage Current Transformers Monitor the Grid
https://hackaday.com/2026/09/14/how-high-voltage-current-transformers-monitor-the-grid/

Being able to monitor voltages and currents is essential for many applications, with the national electrical grid being no exception. The obvious complication here is that the voltages and currents …read more (https://hackaday.com/2026/09/14/how-high-voltage-current-transformers-monitor-the-grid/)

Writing an ESP32 Bluetooth Printer Driver In Two Acts
https://hackaday.com/2026/09/14/writing-an-esp32-bluetooth-printer-driver-in-two-acts/

[Bas BotBerg] wanted to use a portable Bluetooth thermal printer to run off reports on sensor data collected by an ESP32-C3 microcontroller. But as is so often the case these …read more (https://hackaday.com/2026/09/14/writing-an-esp32-bluetooth-printer-driver-in-two-acts/)

An Open Heart Rate Monitor
https://hackaday.com/2026/09/14/an-open-heart-rate-monitor/

If you spend any time near a gym, you may be familiar with Bluetooth heart rate monitors — a small pack of electronics mounted on a strap round the chest …read more (https://hackaday.com/2026/09/14/an-open-heart-rate-monitor/)

Fixing a Ubiquiti 16-Port PoE Switch With an Extra Hole
https://hackaday.com/2026/09/15/fixing-a-ubiquiti-16-port-poe-switch-with-an-extra-hole/

After saving a £300, 16-port Ubiquiti network switch from getting tossed into the trash, [Buy It Fix It] got the honor of trying to repair it. With four ports and …read more (https://hackaday.com/2026/09/15/fixing-a-ubiquiti-16-port-poe-switch-with-an-extra-hole/)