Olof Astrand·May 26Radxa dragon Q6A UEFI firmware update and sound plumbingI had some problems getting sound to work. I started investigating and it seems that the board should use the Qualcomm opensourced audio…
Olof Astrand·May 14Running a custom network on the Radxa q6a dragonYesterday I created a custom model to run on the q6a dragon…
Olof Astrand·May 13Creating a simple dlc network for test on the radxa dragon q6aIn order to run a network we must install qairt.
Olof Astrand·Apr 4Radxa Dragon Q6A, FastRPC successIn the quest for edge inference, after testing the official image and the Armbian Ubuntu edge version without success, we now summarize how…A response icon2A response icon2
Olof Astrand·Apr 3Fastrpc with raxa dragon Q6AEarier we failed using the official RADXA image so now we try armbian.
Olof Astrand·Jan 15Using ghidra and retsync for dynamic analysisIn my quest to understand the undocumented bluetooth hardware of the esp32 I have mainly done static analysis of the binary blobs and rom…
Olof Astrand·Jan 9Analyzing a bluetooth esp32 program with ghidra in 2026Six years ago I wrote a similar article but since then we have gotten extensa support direcly in ghidra and lots of online resources to…
Olof Astrand·Jan 6Reversing Bluetooth on the ESP32After watching a video on reversing the bluetooth peripheral on the esp32, I was insipired to write these notes on the BTDM device.
Olof Astrand·Nov 18, 2025Setting up sysroot and toolchain for crosscompilingIf you have a running ARM device (Raspberry Pi, Jetson, or something mysterious you fished out of a dumpster) and want to cross-compile…
