
LightInk
E-Ink watch that can run solely on solar power
Product HuntOpen SourceLaunched May 1, 20269#26 of the day
About LightInk
An open-source, solar-powered E-Ink smartwatch. By re-implementing SPI in the ESP32's RTC wake stub and using a low-quiescent buck-boost converter, it reduces active boot time to under 1ms, delivering up to 10 months of battery life on a 100mAh charge.
The people behind LightInk
We haven't found the people behind LightInk yet. New makers are added as we find them.
More Open Source launches
InyonAnswer your coding agents from your phoneOct 23, 2026 · 1 person
NanotypeA private online text editor with markdown. Open and type.Oct 23, 2026 · 1 person- Whiteboardthe open-source IDE for thoughtful software designOct 22, 2026 · 1 person
Tetriz Engg Intelligence + ConnectorsConnect coding sessions to PRs, issues, quality, and ROIOct 22, 2026 · 1 person
TessaryStop your agents from failing silently in productionOct 22, 2026 · 1 person
LLM Test ServerYour LLM tests, without the providerOct 22, 2026 · 1 person
Made LightInk? Ask us to remove this listing or your details.