Pls pay attention: To avoid damaging V66 hot swapping sockets, pls make sure your switches' pin is vertical , and you'd better not using used key switches with soldering tin. Any option doesn't incldue keycap:)
V66 SPEC
* 32 bit MCU
* Built in 8M Flash
* 3 256*256*256LED driver chip supports 16.8Million colors LED(switch and side leds)