Boards in 2 GitHub repositories, designed in KiCad, that use the ATSAMD20G16A-AU by Microchip Technology (-40℃~+85℃ 1.62V~3.6V 10bit 12bit 32 Bit 38 48MHz 64KB 8KB ARM Cortex-M0+ Built-in FLASH TQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the ATSAMD20G16A-AU’s symbol, footprint and pinout are on its own page.
arturo182/keyboard_featherwing_hw
The Keyboard FeatherWing is an easy way to add a handheld Qwerty keyboard and a 2.6” color display (+ more) to your project! It fits well in your hands and is great for typing with your thumbs, early 2000s-style.
oomlout/oomlout_oomp_project_bot_v_2