PicoUART6 provides the hardware side of a 6-port UART to USB (CDC) and I2C bridge to access multiple Raspberry Pi 5 console UART. It can also be used with other 3.3 volt boards either following the UART Raspberry Pi 3-pin Debug Connector Specification or using a cable with a 3-pin JST SH compatible connector to 0.1" header for example.

The mounting holes and cut outs in the PicoUART6 PCB allow it to be mounted onto a Raspberry Pi using M2.5 standoffs.

An SWD debug port (for debugging the onboard Pico) and STEMMA QT/Qwiic compatible connector for I2C (uses i2c-tiny-usb driver available on Linux) are also provided.

Using the PicoUART6

Hardware

We offer 3 models of PicoUART6

1. Assembled PCB Only - All Surface mount components soldered. You'll will need to solder a Pico onto the PicoUART6 or solder two 20-way 0.1" header sockets to the PicoUART6 and then use a Raspberry Pi Pico H with pre-populated headers.
2. Assembled with Raspberry Pi Pico - Comes with the Pico pre-soldered ready to go.
3. Headers - 2x20-pin headers so you can plug your own Pico (with headers) straight into the board.

USB and UART Cables are not included - see the 3-pin SH Cables product where you can order the lengths as required.

Firmware

To upload the pico-sexa-uart-bridge firmware to the Raspberry Pi Pico.

1. Press and hold the BOOT button whilst plugging a USB cable from the Pico into your computer, then release the BOOT button.
2. After a few seconds an RPI-RP2 drive should appear.
3. Save the latest release .uf2 file onto the RPI-RP2 drive.
4. The RPI-RP2 drive will then disappear and when it connects back to the computer you should see 6 USB Serial ports.

Please ensure your address is full and correct before placing an order and be aware I'm unable to use some shipping methods to PO boxes.

Deliveries to the USA are sent using RoyalMail PDDP (Postal Delivery Duties Paid).