Prototype PCB for LilyPad Arduino Shield Board Prototype PCB for LilyPad Arduino Shield Board DIY. PCB Diameter: 50mm / 1.97" PCB Thickness: 1.6mm Material: high quality FR-4 glass fiber PCB. All holes are plated through Top and bottom side are identical copper layers. Pads grid (pitch) 2.54mm / 0.1", hole diameter 1mm.Build amazing things with this prototype board, maybe use a 555 Timer and LED's https://elecena.pl/product/16455800/prototype-pcb-for-lilypad-arduino-board 2020-04-14 https://elecena.pl/product/16455800/prototype-pcb-for-lilypad-arduino-board 2020-09-01 https://elecena.pl/product/16455800/prototype-pcb-for-lilypad-arduino-board 2021-03-02 https://elecena.pl/product/16455800/prototype-pcb-for-lilypad-arduino-board 2025-07-09