This adaptor allows the Raspberry Pi 4 to be used with a Pi USB-C power supply (or DC barrel jack) whilst allowing access to USB OTG data over a separate USB-C connection.

USB Type-C (DATA POWER) <> USB Type-C (USB2 DATA) and USB Type-C (POWER) OR Barrel jack (POWER).

The barrel jack accepts 5.5 mm plugs (2.1/2.5 pin) supplying 5V.

To use the adaptor with the Raspberry Pi 4 you need.

• USB-C to USB-C cable¹ between Pi4 and the adaptor board (DATA/POWER)
• USB-C to USB Type-C or Type-A between adaptor board and PC (USB2 DATA)
• Power² via either Official Raspberry Pi USB Type-C Power Supply or Barrel jack (5v 2.4 Amp or higher PSU).

¹ Whilst USB-C cables are generally designed for higher current I still advise using short power cable to the Pi where possible to reduce voltage drop.

² PLEASE NOTE With the Pu/Pd resistors on this board it can only be used with 5V supply to power a 5V device.

Using a Cluster HAT node image (p1/p2/p3/p4) you can plug the USB DATA into a computer (Raspberry Pi, Win10, etc.) and access the system via either USB Gadget Ethernet or Serial Console. Can also be used with Pi-KVM

An adaptor of this kind does not fall within the USB specification. It's designed for use with the official Raspberry Pi USB-C power supply and Raspberry Pi, use with other power supplies/chargers and devices may cause issues/damage.

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