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geekhack
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7mm Trackball MX Switch Daughterboard
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Topic: 7mm Trackball MX Switch Daughterboard (Read 4718 times)
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Ariamella
Thread Starter
Posts: 16
7mm Trackball MX Switch Daughterboard
«
on:
Sun, 18 October 2020, 05:22:18 »
I was fooling around in kicad today and made this small board to allow the 7mm trackball by BTO
https://bit-trade-one.co.jp/selfmadekb/adtb7m/
to be connected to an Arduino via a level shifter. It comes with through-hole positions for MX and Alps switches as well as for rotary encoders and can be placed in the position of a switch or rotary encoder and connected with diode legs or whatever. If connected using the pins for an encoder, it allows for the use of the encoder A, B and GND connections for the serial interface of the trackball. If anyone is interested, I can give it a proper name and upload the files to Github.
Based off this
https://github.com/sekigon-gonnoc/LevelConverterForTrackballModule
«
Last Edit: Sun, 18 October 2020, 05:36:28 by Ariamella
»
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suicidal_orange
Global Moderator
Posts: 4771
Location: England
Re: 7mm Trackball MX Switch Daughterboard
«
Reply #1 on:
Sun, 18 October 2020, 06:06:44 »
A trackball in place of a switch? That's genius, assuming they're actually good.
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120/100g linear Zealio R1
GMK Hyperfuse
'Split everything' perfection
MX Clear
SA Hack'd by Geeks
EasyAVR mod
Ariamella
Thread Starter
Posts: 16
Re: 7mm Trackball MX Switch Daughterboard
«
Reply #2 on:
Sun, 18 October 2020, 08:49:32 »
It's definitely not gonna be as good as a mouse or larger trackball but hey I had some spare time so I made this for fun haha
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hanya
Posts: 132
Location: Japan
Re: 7mm Trackball MX Switch Daughterboard
«
Reply #3 on:
Sun, 18 October 2020, 18:46:17 »
As homing bump of key caps, the module is little bit, around 5mm taller than I think.
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PFU HHKB JP, Sanwa MA-TB38 trackball
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7mm Trackball MX Switch Daughterboard