The Micro GherkinThe tiniest Pi Pico powered keypad. Both the switches and the Pi Pico are surface mounted, back to back. The 30 switches were selected from the jlcpcb.com SMT parts inventory. I had 5 boards made and assembled. The BOM is only 3 parts; switches, Pi Pico and the 3 tool marks (registration holes). JLCPCB supplies and SMT assembled the switches. When I placed the order the Pick and P