Keyboard Builders’ Digest / Tasks
EclairM0
A cute little gadget by Mateusz Nowak: EclairM0.
KBD.information
Printed Might 26, 2025

Designed and shared by Mateusz Nowak, the EclairM0 is a tiny machine for taking notes on the go. Not simply an enter machine but additionally a standalone software.
EclairM0 is a tiny gadget I’ve designed again in my faculty days and eventually made into an actual factor. Taking quick notes on the go is the primary function, with an choice to export information to PC by urgent a single key combo. It may also be configured as a USB HID peripheral, for instance a macropad or a mouse – Matt.
This light-weight, battery-powered gadget, absolutely open supply, can be utilized as a notepad, USB macropad, TV distant, {hardware} authenticator, sign generator, and so forth.
Specs
- small (50x40mm), skinny (8mm) and light-weight (15g)
- 14 tactile 50gf mouse micro-switches (Panasonic EVQQ2)
- SAMD21 microcontroller underclocked to 8MHz
- 128×32 OLED show with improved brightness vary
- battery-powered (about 10 hours runtime, charged through USB‑C)
- easy 3D-printed snap-fit enclosure with CNC-engraved labels
Video demo
Assets
Printed on Mon twenty sixth Might 2025. Featured in KBD #191.
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