MOD-KIT
Tools needed: Torx T5 screwdriver / bit
Get the PCB here: https://zaunkoenig.co/products/m2k-pcb-with-cable
These feet fit:
https://lethalgaminggear.com/collections/tiger-arc/products/esports-tiger-arc-dots
No screws needed
[1] Add the crimped ends of the cable to the connector like shown on the picture. The small spikes in the crimps have to be on the side of the holes of the plastic connector.
[2] Plug the cable in the PCB in the correct orientation
[3] Remove the two yellow films from the sensor
[4] Add the sensor lens to the main PCB and glue/melt the pegs on the top of the sensor.
Sometimes pliers are needed to force the pins through the PCB
[5] Follow this video tutorial.
https://www.youtube.com/watch?v=vdWiN2iH3ow
[6] Configure DPI and polling rate