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Concept Prototype Ready To Ship

A project log for 2020 HDP Dream Team: UCPLA

The 2020 HDP Dream Teams are participating in a two month engineering sprint to address their nonprofit partner. Follow their journey here.

RubenRuben 08/10/2020 at 20:280 Comments

M5stickCs and Atom ESP32 as cordless joysticks

At the moment these will be used to gather more user data, to help design a full on wireless joystick.


Raspberry Pi Computer with display running our Demo Software

Running our Universal Remote Demo Software to show the concept of how we plan on assigning many actions to only a few buttons. The UI will match the button layout, then each button on the custom keyboard will correspond to button in the UI. (To test this with a keyboard, use the following keys

Keyboard Keys

Custom Adaptive Keyboard Test Kit

It is simply a custom keyboard with only 14 keys. The design is more about giving our potential users a functional test kit, so they can feel the difference between the keys and decide on which button type, size, trigger force, and recess level they prefer. We also modified two of the buttons by adding a much stiffer spring. (I didn't get the chance to measure the actual force so the values are guesstimates.)

Switch Key

Cherry MX Switch Table

Switch Actuation
Force
Linear Tactile Clicky Used For
Red 45g Yes No No Gaming
Brown 45-55g No Yes No Typing/Gaming
Blue 50-60g No Yes Yes Typing
Black 60g Yes No No Gaming
Green 70-80g No Yes Yes Space bar
White 75-80g No Yes Yes Typing
Grey 80g No Yes No Typing/Gaming
Linear Grey
80g Yes No No Gaming

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