KiCad boards from 2 GitHub repositories tagged “tm1637”, the most starred first; open any of them in PCBKit.
Salted-Peanuts/KOTH-Timer
DIY Arduino Nano ESP32 King of the Hill timer for Nerf, foam flinging, skirmish games, and objective-based events. Includes build guide, firmware, BOM, schematic, and phone referee UI.
StoicaT/Timer-with-TM1637-and-Arduino
Countdown timer with LED display drive by TM1637 and Arduino Nano.
Salted-Peanuts/KOTH-Timer
DIY Arduino Nano ESP32 King of the Hill timer for Nerf, foam flinging, skirmish games, and objective-based events. Includes build guide, firmware, BOM, schematic, and phone referee UI.