ThumbsUp! Versions

This table compares features of the ThumbsUp! keyboard versions.

Model	v2 ATMEGA	v2 ProMicro	v2 RP2040	v3	v3 MX/ALPS, v4	v5	v6*	v7	v8
Features
Body	Unibody	Unibody	Unibody	Split	Split	Unibody	Split	Split	Unibody
Switches	Kailh Choc	Kailh Choc	Kailh Choc	Kailh Choc	MX/ALPS	MX/ALPS	MX/ALPS	MX	Kailh Choc
Numbers Row	No	No	No	No	Yes	Yes	No	Yes	Yes
Thumb Keys per Side	2	2	2	2	2	3	2	2 or 3 in different positions	3
Controller,	Atmega32U4,  Mini USB	ProMicro and compatibles (e.g. nice!nano), USB-C or Micro USB, depending on MCU	RP2040, USB-C (currently)	RP2040, USB-C	RP2040, USB-C	ProMicro and compatibles (e.g. nice!nano), USB-C or Micro USB, depending on MCU	RP2040, USB-C	RP2040, USB	ProMicro and compatibles (e.g. nice!nano), USB-C or Micro USB, depending on MCU
Connector			Mini USB (earlier revisions)
VIA/REMAP support	Yes*	Yes*	Yes*	Yes	No	Yes	No	Yes	Yes
Wireless	No	Yes - with nice!nano	No	No	No	Yes, with nice!nano	No	No	Yes, with nice!nano
PCB Color	Green	Green	Black, Green (earlier revisions)	Navy Blue	Navy Blue	Navy Blue	Red	Navy Blue	Black
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ThumbsUp! v2 sub-versions got the very same key layout, the biggest differences are the controller and USB connector type used. Otherwise they are the same, and PCBs are interchangeable.

ThumbsUp! v4 is a revision of ThumbsUp! v3 MX/ALPS with tracks relocated and some no-longer available electronic parts replaced.

ThumbsUp! v6 is v4 sans the numbers row, the rest is the same.

ThubmsUp! v7 is an evolution of v3/v4 with an extra thumb key added. That required schematics change, so while they look almost the same, they are not compatible and use different firmware.

ThumbsUp! v5 and v8 use the same schematics, use the same firmware, the biggest difference is the switch types used - MX/ALPS for v5 and Kailh Choc for v8.

All unibody versions support Cirque Proglide touchpad. All ProMicro-based unibody versions have spot for the hardware power switch for battery-powered nice!nano.

VIA/REMAP support for the versions marked with asterisk - firmware is being re-worked to have the VIA support turned on by default. Until then the VIA-supporting version is installed on request.