Chinese noname. Short cable. Less powerful than original raspberry pi 4 power supply: raspberry 4 under load + external 2.5" -> display starts blinking. Heats (but not too much) under hard work
Chinese noname. Short cable. Less powerful than original raspberry pi 4 power supply: raspberry 4 under load + external 2.5" -> display starts blinking. Heats (but not too much) under hard work