[Retired]ULN2003 Board SMD Version (Stepper Control)
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ULN2003 is high operational volt and current driver, including 7 Darlington transistors as driving channels.
This is the SMD Version of the ULN2003 board, more reliable and higher quality.
- ONLY 4 channels used for driving steppers, four status LEDs respectively, you can only see it flashing when you slow down the signal.(as always)
- Separate power channel for power supply.
- JST XH2.54 stepper 5-wire interface for standard stepper, one COM VCC, and four signal GND.
Documentation: for schematic please refer to another version here, this only have components changed.
remymorra (verified owner) –