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Recent posts
U-Boot: Understanding lowlevel_init
MINI2440 has two SDRAM chips on board, different version have different chipset, my SDRAM is EM63A165TS-6G from EtronTech, the pin and timing is compatible w...
U-Boot: Understanding Start.S
U-Boot is a universal bootloader for many architectures, the U-Boot image build against current version (u-boot-2020.10) cannot fit the size of stepping zone...
Debugging Mini2440 with OpenOCD
Bring board up for the first time, it usually involves debugging with JTAG, in this post I will be using OpenJTAG for mini2440, showing how to load program w...
Smart Home: Install Home Assistant Supervised
Previously I installed HassOS, it works pretty well except the fact that it is a black box for me at some extent, this time, I take a step further and try to...
An Incomplete Guide to Docker
Install docker on Armbian
Manage Local Media with Jellyfin
Jellyfin is an open source local media management system, it is descended from Emby which is now goes commercial, it can fetch metadata from various website ...
Share Mouse and Keyboard Across Computers with Barrier
Six years ago I use synergy (ver1.5.1) for sharing keyboard and mouse with other computers, which is great, then it became a commercial software, after upgra...
An Introduction to Local Development with Docker Container
Previously I wrote a post about how to setup TV box as a development machine, I cannot take a box everywhere I go, because it is not that convenient to find ...
Build Your Personal English Learning Assistant with Android
I want to improve my English, one way to do this is watching documentaries on TV, but subtitles distract me from the video themselves, I get this around by m...