Boards in 3 GitHub repositories, designed in KiCad, that use the P1 by Particle (LGA-75_28X20mm New Arrivals ROHS). See how each wires it, with its parts, size, README and files; the P1’s symbol, footprint and pinout are on its own page.
LaMassa07/Arduino-nRF24-2.4GHz-Channel-Sweeper
Arduino project using an nRF24L01 to generate a constant carrier and perform a 2.4 GHz channel sweep for RF testing and experimentation purposes.
lamikr/hrm_breakoutboards
HRM related small pcb breakoutboards to help testing some components one by one.
OisinS13/FC_IP_rig
Code to control a FC rig based around a Powercell S2 24 cell PEMFC stack