2

Having received a Raspberry Pi Pico 2021 H and a 10-DOF IMU (coupled to my Pico), I watched videos to understand because I don't know anything about it: Thonny installed, UF2 file downloaded.

I press BOOTSEL and insert the micro-USB cable at the same time, I release 2s later but nothing happens. In the console of Thonny, I have a message that the device was not detected automatically, etc.. A red LED is lit on "PWR" on the 10-DOF IMU, thus indicating to me that a current passes between my PC and my Raspberry Pi Pico.

What to do?

4
  • Did it work with the IMU not connected?
    – joan
    Jan 21, 2023 at 13:21
  • Unfortunately no...
    – Vincent
    Jan 21, 2023 at 13:24
  • please edit your first question instead of posting a second question
    – jsotola
    Jan 21, 2023 at 20:02
  • I don't understand what is wrong.
    – Vincent
    Jan 22, 2023 at 13:17

1 Answer 1

2

The most common reason why this doesn't work is because you are using a power-only (charger) USB cable. These are the normal type of cable that comes with any device that can be charged through USB. You need a proper data cable, such as supplied through reputable RPi suppliers, which has all four wires in it (+5V, GND, Tx and RX).

The other possibility is that the USB ports are restricted on your computer. If it's a personal computer though, then that is unlikely.

The third - least likely - possibility is that there's a problem with Thonny's config.

So steps to take:

  1. Plug in a USB "thumb drive" to your computer and check it appears as a drive in Windows, is mounted in Linux etc.
  2. If that works, press and hold the boot/sel on the Pico, insert the USB cable and release the button. It should appear just like the thumb drive. If it doesn't, you'll need a proper data cable.
  3. If it does appear as a drive, but Thonny doesn't display the "Install MicroPython firmware..." dialog, then you likely have a problem with Thonny's configuration

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.