Homebrew PCBs

TIP31, I've included a parts list on the schematic in the CNC folder of the
Files Section.

Transformer 24V 1.5A
4070 XOR
4027 Flip-flop
MCT6 opto-coupler
1K 1/4W resistor
TIP31 100V 3A
1N4002 100V 1A
Steppers 24V, 36/72ohms, unknown amperage, obsolete model SP57B by COPAL.

Robert
:)







What are you using for driver transistors there?








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