hi there, Iv'e salvaged a 7 segment display and i comes with an ht1668 driver ic with half duplex spi for communication, i was reading the datasheet and understood the communication side, but couldn't understand how and where data should be written to the driver, the datasheet doesnt provide further explanations, and i'm stuck here, below is a link for official datasheet. I tried interfacing it with a already available arduino library, but i found that there are some connections wired different in the PCB and the library doesnt allow for pin configurations. so no luck. So my only option is to communicate manually using the spi and datasheet. you can suggest me some resources where they have explained this.