iceKeyer, the no fuss keyer. Straight model
Features
- No moving parts
- Key pressure are automatically calculated
- No adjustment
- No more bad contacts, no wetting problems
- No noise/click
- Family frendly at late nights
- Room for magnets on bottom, or fixed to solid metal
- Can work in raw mode, passing exact what is keyed
- Or the code can generate exact timing based on +/- 20% bad keying
The electronics
- A plain Arduino Nano is used
- Load cell weight element with amplifier HX711
- HX711 has to be changed for 80 samplings/second
- Alternative, for an old style key, one can be made out of a single body weight element, when getting a new scale in the bathroom.
Box laser cutting
I do export dxf files right out of OpenSCAD.
And the text is exported in svg file
See the box folder on GitHub
Look inside box folder