LanternD's Castle

I accidentally change the configuration in fcitx. Strange things happened. Now I fixed it.

I encountered a wierd bug on my newly-bought laptop that runs a Windows OS. The character cannot be decoded correctly in Spacemacs (Emacs 26.1). Here is a quick fix.

SIB2 is the "System Information Block 2". It tells the UE about the parameters and configuration that are adopted by the eNodeB, so that the UE can communicate with the eNodeB successfully. Here is a simple analysis of a typical SIB2.

The BG96 needs to manually configure USB driver under Linux. Here is a step-by-step process to make it work.

Some instructions on how to connect an Agilent digital multimeter to the Keysight Connection Expert softawre on Windows in a Linux (Ubuntu) host.

I cannot find the Jianguoyun (Nutstore) icon in the top tray after it runs. Here is a quick fix.

A formatted "C coding standard" by Eno Thereska.

Some quick fixes and minor hacks on Ubuntu. I update it every now and then.

Zotero + Dropbox + Zotfile configuration to synchronize documents database and files among different computers. You definitely can find similar tutorial from the web, however this is what I finally choose after so many attempts.

Some of the common packages to install through pip. For my reference only. Might be helpful to you.

This is an error when using the combination Spacemacs + Zsh + Tmux.

Step by step installation of the software needed for LimeSDR mini to run on Ubuntu.

Some instructions on the use of Quectel UEMonitor. A software to examine the debug log from the UE (User Equipment).

A small bug that wastes me an afternoon and a whole night! EDBG is a embedded debug port that helps to debug or depoly the code. It has a virtual serial COM port that can support data communication between MCU and the host PC. I assume that this is known if you are going to read this post.

CH340 is a chip that convert USB data to serial data. Of cause the method discuss here can be applied to other USB-serial converter chips, such as PL2303 etc. It is helpful when you want to do serial communication with your circuit board. Usually I write Python scripts to interact with serial devices.