I am using a NodeMcu with Arduino IDE on Ubuntu. I have managed to upload the blink script and it work. Now, when i plug the nodemcu, the serial port /dev/ttyUSB0 is briefly available in the IDE. After 2 seconds, the port menu is grayed out again and I can't use it.
Same with ls /dev/tty*
/dev/ttyUSB0
is briefly available.
/dev/tty /dev/tty23 /dev/tty39 /dev/tty54 /dev/ttyS10 /dev/ttyS26
/dev/tty0 /dev/tty24 /dev/tty4 /dev/tty55 /dev/ttyS11 /dev/ttyS27
/dev/tty1 /dev/tty25 /dev/tty40 /dev/tty56 /dev/ttyS12 /dev/ttyS28
/dev/tty10 /dev/tty26 /dev/tty41 /dev/tty57 /dev/ttyS13 /dev/ttyS29
/dev/tty11 /dev/tty27 /dev/tty42 /dev/tty58 /dev/ttyS14 /dev/ttyS3
/dev/tty12 /dev/tty28 /dev/tty43 /dev/tty59 /dev/ttyS15 /dev/ttyS30
/dev/tty13 /dev/tty29 /dev/tty44 /dev/tty6 /dev/ttyS16 /dev/ttyS31
/dev/tty14 /dev/tty3 /dev/tty45 /dev/tty60 /dev/ttyS17 /dev/ttyS4
/dev/tty15 /dev/tty30 /dev/tty46 /dev/tty61 /dev/ttyS18 /dev/ttyS5
/dev/tty16 /dev/tty31 /dev/tty47 /dev/tty62 /dev/ttyS19 /dev/ttyS6
/dev/tty17 /dev/tty32 /dev/tty48 /dev/tty63 /dev/ttyS2 /dev/ttyS7
/dev/tty18 /dev/tty33 /dev/tty49 /dev/tty7 /dev/ttyS20 /dev/ttyS8
/dev/tty19 /dev/tty34 /dev/tty5 /dev/tty8 /dev/ttyS21 /dev/ttyS9
/dev/tty2 /dev/tty35 /dev/tty50 /dev/tty9 /dev/ttyS22 /dev/ttyUSB0
/dev/tty20 /dev/tty36 /dev/tty51 /dev/ttyprintk /dev/ttyS23
/dev/tty21 /dev/tty37 /dev/tty52 /dev/ttyS0 /dev/ttyS24
/dev/tty22 /dev/tty38 /dev/tty53 /dev/ttyS1 /dev/ttyS25
After 2 seconds:
/dev/tty /dev/tty23 /dev/tty39 /dev/tty54 /dev/ttyS10 /dev/ttyS26
/dev/tty0 /dev/tty24 /dev/tty4 /dev/tty55 /dev/ttyS11 /dev/ttyS27
/dev/tty1 /dev/tty25 /dev/tty40 /dev/tty56 /dev/ttyS12 /dev/ttyS28
/dev/tty10 /dev/tty26 /dev/tty41 /dev/tty57 /dev/ttyS13 /dev/ttyS29
/dev/tty11 /dev/tty27 /dev/tty42 /dev/tty58 /dev/ttyS14 /dev/ttyS3
/dev/tty12 /dev/tty28 /dev/tty43 /dev/tty59 /dev/ttyS15 /dev/ttyS30
/dev/tty13 /dev/tty29 /dev/tty44 /dev/tty6 /dev/ttyS16 /dev/ttyS31
/dev/tty14 /dev/tty3 /dev/tty45 /dev/tty60 /dev/ttyS17 /dev/ttyS4
/dev/tty15 /dev/tty30 /dev/tty46 /dev/tty61 /dev/ttyS18 /dev/ttyS5
/dev/tty16 /dev/tty31 /dev/tty47 /dev/tty62 /dev/ttyS19 /dev/ttyS6
/dev/tty17 /dev/tty32 /dev/tty48 /dev/tty63 /dev/ttyS2 /dev/ttyS7
/dev/tty18 /dev/tty33 /dev/tty49 /dev/tty7 /dev/ttyS20 /dev/ttyS8
/dev/tty19 /dev/tty34 /dev/tty5 /dev/tty8 /dev/ttyS21 /dev/ttyS9
/dev/tty2 /dev/tty35 /dev/tty50 /dev/tty9 /dev/ttyS22
/dev/tty20 /dev/tty36 /dev/tty51 /dev/ttyprintk /dev/ttyS23
/dev/tty21 /dev/tty37 /dev/tty52 /dev/ttyS0 /dev/ttyS24
/dev/tty22 /dev/tty38 /dev/tty53 /dev/ttyS1 /dev/ttyS25
How can I fix that? I have try all the usb ports.
The NodeMCU settings:
Actually Using Ubuntu 22.04 LTS
EDIT:
While running sudo dmesg -w
and connecting the mcu I get:
[ 3726.038486] usb 1-1: new full-speed USB device number 13 using xhci_hcd
[ 3726.220532] usb 1-1: New USB device found, idVendor=10c4, idProduct=ea60, bcdDevice= 1.00
[ 3726.220536] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 3726.220537] usb 1-1: Product: CP2102 USB to UART Bridge Controller
[ 3726.220538] usb 1-1: Manufacturer: Silicon Labs
[ 3726.220539] usb 1-1: SerialNumber: 0001
[ 3726.229998] cp210x 1-1:1.0: cp210x converter detected
[ 3726.231005] usb 1-1: cp210x converter now attached to ttyUSB0
[ 3727.565688] usb 1-1: usbfs: interface 0 claimed by cp210x while 'brltty' sets config #1
[ 3727.566375] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0
[ 3727.566391] cp210x 1-1:1.0: device disconnected
tail -f /var/log/syslog
right before plugging in the board, and see if anything interesting shows up.sudo dmesg -w
will show you what's going on. Maybe it's shutting down the port because it's drawing too much current?