geerlingguy forked Time-Appliances-Project/Switchberry from geerlingguy/Switchberry · December 29, 2025 19:48 geerlingguy/Switchberry Switchberry is a Raspberry Pi CM4–controlled Ethernet switching + timing platform built around a Microchip KSZ9567 and a Renesas 8A34004 ClockMatri… Updated Dec 30