4 layers155.4 × 101.8 mm

Spark tboi
emb3rcia/spark-tboi
The Binding of Isaac: Repentance dedicated small footprint macropad/keyboard with display and auto clicking capability to reduce strain on arms.
45 parts
Boards in 1 GitHub repository, designed in KiCad, that use the STM32F103C8T7 by STMicroelectronics (-40℃~+105℃ 12bit 20KB 2V~3.6V 32 Bit 37 64KB 72MHz ARM Cortex-M3 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the STM32F103C8T7’s symbol, footprint and pinout are on its own page.

emb3rcia/spark-tboi
The Binding of Isaac: Repentance dedicated small footprint macropad/keyboard with display and auto clicking capability to reduce strain on arms.