Interactive

Wire the Pi to the BFoxCon (J2)

The BFoxCon's radio side is wired at the factory. The Pi connects at the BFoxCon's J2 serial header — four pins. Drag each J2 pin to the right pin on the Raspberry Pi's 40-pin GPIO header. Pinouts are to spec (J2 from the manual; the Pi header is standard 40-pin).

BFoxCon v1.6 board
J2 — the 1×4 serial header on the BFoxCon, bottom-right by RST. Pin 1 is the square pad.
Raspberry Pi Zero 2 W with GPIO header
GPIO header — the Pi Zero 2 W's 40-pin header along the top edge.
Wired 0 / 4 Drag a J2 pin (gold) up to its Raspberry Pi pin.
Raspberry Pi Zero 2 W — 40-pin GPIO header BFoxCon J2

J2: 1 GND (square) · 2 Serial In · 3 +3–5 V · 4 Serial Out (Byonics BFoxCon manual v0.4). Crossover: J2 Serial-In ← Pi TX; J2 Serial-Out → Pi RX.