Arduino programmers, makers and developers that are looking for a small Arduino Programmer device might be interested in the VisiPort2.

The brains of the operation is an Arduino Pro Mini. It controls two MAX7219s that drive the 42 LEDs plus the 7-segment display.

This innovative project features a custom PCB that contains all the relevant connections required to program an ATMega328 (including external oscillator), ATTiny, ESP8266, Arduino mini pro, or any ...

Posted in 3d Printer hacks, Arduino Hacks Tagged 3d printer, arduino pro mini, closed loop, closed loop control, dc motor, optical encoder, reprap, servostrap ...