Stepper driver board with L297 L6203

This is an Bipoaire stepper driver 4A - 42V for 1 ax

This is what you need:

Weerstanden:
R1=22K
R2=3K9
R3=1K
R4,R5=10 ohm
R6,R7=0,5 ohm/3W
( De weerstanden R6 en R7 dienen aan de motorstroom te worden aangepast, waarbij de waarde gelijk moet zijn aan 1V gedeeld door de maximale motorstroom in ampere.)

CONDENSATOREN:
C1=3N3
C2,C9,C10 = 100 n
C3,C4=220 n
C5...C8=15 n
C11,C12 = 22 n
C13 = 10 MICRO/63V rad.

HALFGELEIDERS:
IC1 = L297
IC2,IC3 = L6203

DIVERSEN:
K1 = 10 polige header
PC1...PC6 = printpennen
L1,L2 = Bipolaire Stepper

I don’t have tested this board !
A visitor of my site has send it to me

Click here to download the Engraving file.
You must use a tool tip of 0.3 mm or 0.4 mm.
The engraving depth is 0.2 mm, but you can change this with a text editor.

click on the picture to enlarge

i’m not responseble for any damage.