Template for Raspberry Pi 2, 3, 4 or 400 Model B+ Shield. Include an official pinout so you will always know Raspberry Pi names, the alternative roles of pins, which one is SDA, or SCL, etc. On P... show moreTemplate for Raspberry Pi 2, 3, 4 or 400 Model B+ Shield. Include an official pinout so you will always know Raspberry Pi names, the alternative roles of pins, which one is SDA, or SCL, etc....