This is a PCB with OLED, LaserTag, two Radio Receivers, Oscillotor, Sound Card for PC, Smoke Detector, LEDs, Maze Game, Accelerometer, Motor/Speaker Drivers, two Proximity Detecters, Thermometer, Photo Detector, Etc.
Minimal adapter board for converting keyboard i2c oled pins to ffc/fpc ribbon cable for keyboards such as crkbd or kyria