This dashboard is attached to the Futaba 3003 servos (or compatible) using [printable servo pins](https://www.youmagine.com/designs/servo-pins-for-futaba-3003) It has been develop for displaying "bits" mechanically, when designing educational digital circuits with the [Icezum Alhambra](https://github.com/FPGAwars/icezum/wiki) FPGA board You can find more information (in spanish) in the github repo: https://github.com/Obijuan/3D-parts/wiki/Tablero-indicador-binario-para-Servo You can also check this [Youtube Vídeo](https://www.youtube.com/watch?v=wZMCaF08eYA)