The cable has pairwise twisted connections, so one have to be careful:
| RED CABLE | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vcc | Vss(gnd) | RS | VO | EN | R/W | D1 | D2 | D3 | D4 | D5 | D6 | D7 | D8 |
| +5v | GND | pin46 | Vcontrast | pin47 | GND | NC | NC | NC | NC | pin51 | pin50 | pin53 | pin52 |
X axis: Dir: pin 5, Step: pin 6., Endstop: pin 7.
Y axis: Dir: pin 3, Step: pin 2. Endstop: pin 4.
Presently, it is connected to pin 13.
X axis: A0. Y axis: A1.
The stage called 17DRV114 moves 44.00mm in 112714 steps. This gives 2561 steps/mm.
The stage called 17DRV113 moves 26.12mm in 84273 steps. This gives 3226 steps/mm.
Along X, For a resolution of 256 px/2.5mm, this gives 5/512 mm/px, with a stepsize (steps/px) of 3226steps/mm x (5/512)mm/px = 31.5 steps/px.
Along Y, for the same resolution, it's 2561 x 5/512 = 25 steps/px.