Category: embedded

Category: embedded

featuredGreat Wall R106 Portable WiFi Charge Limiting SolutionGain a root shell via command injection, locate the two control layers (software vote + hardware enable) of the SGM4154X charger IC, and clamp the battery to 40%–60% with a daemon script — solving the swelling problem of portable WiFi devices kept permanently plugged in.
featuredFrom an IR Remote Requirement to a Boot-Start APK — A Complete Development Log of Remote Customization on an S905L2 Android 9 TV BoxOn an Amlogic S905L2 Android 9 TV box, a 16KB hand-built (Gradle-free) APK runs remotecfg automatically at boot. Three iterations cut through BOOT_COMPLETED background limits, init.rc service name collisions, boot-time races, and the ps/grep trap.