一款ＨＤＭＩ矩阵切换器４：２，全套资料包括ＰＣＢ与控制源代码-A 4:2 HDMI matrix switcher, a full set of information, including PCB and control the source code

This the dump of a Lenkeng LKV342. The LKV342 is a HDMI 4-2 matrix switch that uses the EP9432 IC and an external MCU. This dump is taken the MCU using the 5-pin UART interface and a serial logger. Can be used to reflash