A single Vircon32 cartridge that ports 33 games originally written for the TinyJoypad ATtiny85 + SSD1306 128x64 OLED handheld onto Vircon32's 640x360 GPU, behind one shared game-select menu.

The ATtiny85 bit-bangs two daisy-chained 74HC595 shift registers to drive a common-anode 4-digit 7-segment display (segments + digit select). A Timer1 CTC interrupt (~3 Hz) shifts the next character ...

Once upon a time a doorbell was little more than a button, a transformer, and a bell tucked somewhere around the house. These days, they get a little bit fancier. [Philipp Schweizer] has recently been ...