U8X8_GP1287AI_256X50_4W_SW_SPI u8x8(/* clock=*/ 0, /* data=*/ 2, /* cs=*/ 14, /* dc=*/ 4, /* reset=*/16);
Single-pixel images drawn on a 128x128 OLED by a 10-cent 32-bit RISC-V microcontroller.
Wearable Electronic Conference Badge. It contains color-changing RGB LEDs, a display, 3D printed conference holder, and lanyard.