From a4457f19d231654307c62bd5c6b7e3005876f128 Mon Sep 17 00:00:00 2001 From: Aki Date: Sat, 6 Jan 2024 17:55:00 +0100 Subject: Added one more troubleshooting note --- how_to_flash_lolin_nodemcu_v3.html | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'how_to_flash_lolin_nodemcu_v3.html') diff --git a/how_to_flash_lolin_nodemcu_v3.html b/how_to_flash_lolin_nodemcu_v3.html index fcdc724..6097531 100644 --- a/how_to_flash_lolin_nodemcu_v3.html +++ b/how_to_flash_lolin_nodemcu_v3.html @@ -4,7 +4,7 @@ - + @@ -56,13 +56,14 @@ ch341 28672 0 $ zgrep -i CH34. /proc/config.gz CONFIG_USB_SERIAL_CH341=m -

Finally, if you want a non-root user to be able to use it, assign system appropriate group. Usually it's +

If you want a non-root user to be able to flash and use it, assign system appropriate group. Usually it's serial but it is not a requirement. You can check what group user needs by simply looking at the file permissions: 

 $ ls -l /dev/ttyUSB0
-crw-rw---- 1 root uucp 188, 0 Jan  6 17:16 /dev/ttyUSB0
+crw-rw---- 1 root uucp 188, 0 Jan  6 17:16 /dev/ttyUSB0
 $ sudo usermod -aG uucp user
+

If flashing fails with Write timeout, you can try tweaking baud rate. -- cgit v1.1