Daniel Ansorregui has developed LightInk, an open-source solar-powered E-ink watch inspired by 90s solar digital watches. It ...

LILYGO's T-Watch Ultra is an ESP32-S3-based smartwatch development platform that appears to be an upgrade over the previous T ...

With MCUs becoming increasingly more powerful it was only a matter of time before they would enable some more serious ...

OpenDisplay looks like it could unify a display standard for all kinds of devices.

Firefox will soon be able to communicate directly with your 3D printer. Thirteen years after the idea was initially proposed, ...

Well, this might just be a Hackaday first. Certainly not the circuit sculpture part, nor the wearable aspect, but the ...

A teaching-focused firmware that demonstrates heart rate visualization, breathing exercises, relaxation techniques, heart rate variability analysis, and respiratory rate detection using a single ...

Recent DIY trends show makers increasingly turning to ESP32 microcontrollers and Arduino platforms for smart home projects, replacing costlier or overpowered setups like Raspberry Pi in many cases.

By integrating advanced sensors and optimizing the power management of the ESP32, I've created a DIY smart lock that is both ...

A fully local, open-source multi-board emulator. Write Arduino C++ or Python, compile it, and simulate it with real CPU emulation and 48+ interactive electronic components — all running in your ...