Manawyrm on Twitter: "We ported a TCP/IP stack to a Casio graphical calculator! IP connectivity via SLIP on the 2.5mm serial port. https://t.co/Os15Rec4s3 Chatting in IRC on a calculator: https://t.co/swtZFj3K0T fxsdk and @
Casio CA-951 Taschenrechner Melody Watch Modul 166 Multi Alarm | Etsy Schweiz