The blog post ends in a hopeful note, seems his spirit is unaffected:

    But I’ve made a choice. I’ll keep planting trees. I’ll keep making sounds. I’ll keep helping baby pigeons.

Plus, he now has a pigeon flying around.

> If I could just plug this in to my existing laptop and use it

Or to my existing phone.

Note tha its production was put to stop (last year IIRC) with reserve to possibly start it again. AFAICT market reception was lukewarm at best and it was not financially viable.

I would have loved one, but I guess leaving the development of a proper OS to the community is not going to land mass adoption.

Average Joe needs a device to buy and use, not to buy and tinker with.

"Market reception" is never going to be very good when you never sell the product. What Pine Notes they made were only sold on a beg-us-for-an-invite basis.