A really thorough explanation of the journey of building a wireless button.
So many great buttons over the years. Reddit's the button[1]. Bttn IoT button[2]. Amazon Dash button[3]. A placebo button[4]. I don't think I'll get tired of buttons. The Pebble Index is kinda a button.
[1]:https://news.ycombinator.com/item?id=9365877
[2]:https://news.ycombinator.com/item?id=8263007