https://blog.wongcw.com/2021/09/30/tinycircuits%e7%9a%84thumby%e6%8b%87%e6%8c%87%e6%8e%8c%e6%a9%9f%e5%b0%88%e6%a1%88%e5%b7%b2%e9%81%94%e6%88%90kickstarter%e7%b1%8c%e6%ac%be%e7%9b%ae%e6%a8%99/