I have a weather station, made of an ADC, level shifter etc connected to a pico soldered onto matrix board, with the pico powered by 5V via Vsys. The other components get their 5V from the same power source, rather than Vusb from the pico as it's not connected to usb power.
Is it possible to hook up a pico debug probe to the running pico, which is running on external 5V and see its serial output on a laptop?
What I'm trying to do is look at the output of a live system that can't be connected to a computer via usb. Even if it could, the usb power would interfere with the Vsys input.
The getting started guide has a chapter "Debug with a second Pico or Pico 2" but it uses a second pico connected to a computer to act as an intermediary. It would be much better if I could hook up a debug probe to the live pico.
Is it possible to connect GPIO 0 (TX) and GND from pico to RX and GND on the probe while the pico is externally powered via LM2596 5V output? I don't need to send it anything or debug it. Just monitor serial output it's generating while it's taking weather readings.
Is it possible to hook up a pico debug probe to the running pico, which is running on external 5V and see its serial output on a laptop?
What I'm trying to do is look at the output of a live system that can't be connected to a computer via usb. Even if it could, the usb power would interfere with the Vsys input.
The getting started guide has a chapter "Debug with a second Pico or Pico 2" but it uses a second pico connected to a computer to act as an intermediary. It would be much better if I could hook up a debug probe to the live pico.
Is it possible to connect GPIO 0 (TX) and GND from pico to RX and GND on the probe while the pico is externally powered via LM2596 5V output? I don't need to send it anything or debug it. Just monitor serial output it's generating while it's taking weather readings.
Statistics: Posted by codebrane — Sat May 24, 2025 8:17 pm