This is EDATEC 40pin GPIO Extender for Pi400, Rainbow Cable. The 40pin GPIO Extender is a 40pin ribbon cable with 100mm length specially designed for Raspberry Pi 400.
The 40pin black male connector with anti-reverse insertion at one end is to connect 40pin female connector at the back of Pi 400, a 40pin grey female connector at another end are marked the pin# 1,2 & 40 and alignment mark by laser machine, those marks are used to remind the users to insert the daughter board at the right orientation and position. Wrong orientation and misalignment will cause damage of Pi 400 and daughter board. All of materials are used on the cable are RoHS Compliant.
Installation Guide:
- Insert 40pin black male connector into 40pin female connector at the back of Pi 400. If black male connector can’t be inserted into Pi 400, the orientation of the black male connector is wrong, please reverse the cable and re-insert.
- Align the pin# of daughter board with the mark on grey 40pin connector, make sure Pin#-1,2 & 40 on daughter is aligned with the mark-?1,2 & 40? on the grey female connector, insert the daughter board into grey connector.
- Please double check the orientation of daughter board and position of pin#1,2 & 40 base on the below chart before power on Pi400.
- If everything is correct, then power up Pi 400.
Package Includes:
1 x EDATEC 40pin GPIO Extender for Pi400, Rainbow Cable
Official Arduino Nano 33 Ble Sense with Header-Rev 2 ABX00070
Original Arduino Uno Rev3 A000066
Waveshare ESP32-S3 Microcontroller, 2.4 GHz Wi-Fi Development Board, dual-core processor with frequency up to 240 MHz
2-Wheel Drive Rugged Robot Chassis with 37mm 37B280 Gear Motor
STMICROELECTRONICS Expansion Board, VD6283, STM32 Nucleo Boards
SanDisk Extreme 32GB Compact Flash Memory Card
SanDisk Extreme 64GB Compact Flash Memory Card
ODYSSEY – STM32MP157C Raspberry Pi 40-Pin Compatible with SoM 





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