Lisp Badge: A single-board computer that you can program in uLisp

Re:Lisp Badge: A single-board computer that you can program ... by numpad0 on Sunday July 05, 2020 @03:42AM (#23737182)

Couldn’t find BOM but processor is Atmega1284p, so between Arduino Uno and Mega. 1284p is also used in some low-end 3D printers.

Is it hard to do a touch keyboard on devices like this? Full tactile switch arrays adds so many solder points and I feel it drives up costs somewhat.

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Re:Lisp Badge: A single-board computer that you can program ... by cushychicken on Sunday July 05, 2020 @10:20AM (#23738856)

Is it hard to do a touch keyboard on devices like this?

At this size, yeah. It's tough to make touch keys large enough that you don't tap multiple buttons at once.

It also takes a lot of processor IO, and generally a dedicated cap sense peripheral as well. Plus, many of those peripherals have a scan interval that's laggy when you get to large IO counts.

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Re:Lisp Badge: A single-board computer that you can program ... by lnyan on Sunday July 05, 2020 @06:31AM (#23737749)

I find the BOM with a link which is shown just before the Specification section.

Check this link http://www.technoblogy.com/show?2AEE

and the "Parts list" is shown in the Construction section

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