TechOverflow blog

PySerial minimal request-reply example

Categories: 3D Printing, Embedded, Python

Uli Köhler

2021-09-14 0 min read

How to set Raspberry Pi 4 USB-C to host mode

Categories: Raspberry Pi

Uli Köhler

2021-09-14 0 min read

How to backup /etc/letsencrypt to local bup repository

Categories: Linux

Uli Köhler

2021-09-12 1 min read

How to view active calls details on FreePBX

Categories: FreePBX

Uli Köhler

2021-09-11 1 min read

How to view number of active calls on FreePBX

Categories: FreePBX

Uli Köhler

2021-09-11 0 min read

How to replace string in reverse proxy HTTP request using Lua & nginx

Categories: Nginx

Uli Köhler

2021-09-11 1 min read

How to replace HTTP response data in nginx using lua

Categories: Nginx

Uli Köhler

2021-09-11 1 min read

How to fix Python ModuleNotFoundError: No module named 'usb' / usb.util

Categories: Electronics, Python

Uli Köhler

2021-09-10 0 min read

How to view endstop status on Marlin using G-Code?

Categories: 3D Printing, Electronics

Uli Köhler

2021-09-07 0 min read

How to print Marlin firmware version using G-Code

Categories: 3D Printing, Electronics

Uli Köhler

2021-09-07 0 min read