Slim C64 user port cartridge case

A slim case for a module you built to Commodore 64's user port connector. In my case, I put to the case (besides the connector) a ESP8266 MCU+WiFi module. With the firmware I made it can be used to create telnet connections over Internet with old serial terminal programs to some BBSes and MUDs that still are used.

The case has a hole that can be used for a cable, LED, switch. Colorless plastic is nice to see through LEDs on PCBs. The lid part is actually a bottom cover which snaps in place be