3D Printed Mail is a Modern Solution to an Ancient Problem
https://hackaday.com/2025/11/13/3d-printed-mail-is-a-modern-solution-to-an-ancient-problem/

The human body and sharp objects don’t get along very well, especially when they are being wielded with ill-intent. Since antiquity there have been various forms of armor designed to …read more (https://hackaday.com/2025/11/13/3d-printed-mail-is-a-modern-solution-to-an-ancient-problem/)

The Pi 500 Turned Overkill Bluetooth Keyboard
https://hackaday.com/2025/11/13/the-pi-500-turned-overkill-bluetooth-keyboard/

Perhaps we’ve all found ourselves at one time or another with more computers in use than keyboards and other peripherals at hand to use them with. With a single user …read more (https://hackaday.com/2025/11/13/the-pi-500-turned-overkill-bluetooth-keyboard/)

If IRobot Falls, Hackers are Ready to Wrangle Roombas
https://hackaday.com/2025/11/13/if-irobot-falls-hackers-are-ready-to-wrangle-roombas/

Things are not looking good for iRobot. Although their robotic Roomba vacuums are basically a household name, the company has been faltering financially for some time now. In 2024 there …read more (https://hackaday.com/2025/11/13/if-irobot-falls-hackers-are-ready-to-wrangle-roombas/)

Running a Minecraft Server on a WiFi Light Bulb
https://hackaday.com/2025/11/13/running-a-minecraft-server-on-a-wifi-light-bulb/

WiFi-enabled ‘smart’ light bulbs are everywhere these days, and each one of them has a microcontroller inside that’s capable enough to run all sorts of interesting software. For example, [vimpo] …read more (https://hackaday.com/2025/11/13/running-a-minecraft-server-on-a-wifi-light-bulb/)

2025 Component Abuse Challenge: Relay Used As Guitar Pickup
https://hackaday.com/2025/11/13/2025-component-abuse-challenge-relay-used-as-guitar-pickup/

We’ve all built projects that are a rats’ nest of wiring and feature creep, but the best projects in the end are usually those that use a simple solution to …read more (https://hackaday.com/2025/11/13/2025-component-abuse-challenge-relay-used-as-guitar-pickup/)

3D Printing A Piano Action
https://hackaday.com/2025/11/13/3d-printing-a-piano-action/

Part of the reason there are always free pianos on your digital classifieds listing of choice is that, at least economically speaking, a piano is less of a musical instrument …read more (https://hackaday.com/2025/11/13/3d-printing-a-piano-action/)