SD2IEC Classic v1.x Pinouts
SD2IEC Classic v1.x info
This product needs to be housed inside a protective case. It's not a good idea to handle bare PCB's connected directly to your classic computer. Static kills!
Feel free to send me any pictures of your installations. I'll post the best of them here!
C64 PCB IEC Data Connection
To secure your SD2IEC Classic, I recommend using the ClasClip by @_GazMarshall Linky: Thingyiverse - ClasClip
Tynemouth Software Guide to installing SD2IEC Classic into VIC20
And another TMSW guide, this time installing inside a C64c