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
iceKeyer github

The code

Stay tuned, to get the code later right here on github