Yahoo! HackDay 2017, PPAP : PPAP is Programable Art of Pin
Our team create this just 1day.
The design overview of proggramable pin
prototyping , hole and bars.
The drive mechanism by the motor
All motors are controlled by Raspberry Pi and motor logic controller.
10 x 15 bars (dots) are installed.
User can draw dot illustration by using iPad interface with hands.
Reverse side.