Downgrade GPIO Ribbon Cable for Pi A+/B+/Pi 2/Pi 3/Pi 4 - 40p to 26p
Pimoroni
£2.5
Oof - you got a Raspberry Pi 4 that you want to have work with some old kit or plate or breakout or something and it uses the classic 26-pinout. Very frustrating, it is...unless you have this ingenious 'downgrade' GPIO cable. It has a 40-pin socket on one end, but only the first 26 pins have a cable and the other end matches any sort of Cobbler or PermaPi or what-have-you. Cable is 6" long, and pin #1 is marked with a white wire. Available in slimming Adafruit Black - pin #1 is marked with a white stripe! Note: The Raspberry Pi Model A+, Raspberry Pi 2, Raspberry Pi 3, Raspberry Pi 4 are also
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Buy from PimoroniOut of stock. Price seen 2026-09-05. Affiliate link.
