4 layers124.4 × 80.4 mm

Stepper driver
harp-tech/device.stepperdriver
A stepper motor controller device for four motors including individual quadrature encoders.
212 parts1
Boards in 1 GitHub repository, designed in KiCad, that use the SN74LVC07APW by Texas Instruments (-40℃~+125℃ 1 1.65V~5.5V 10uA 2.6ns@5V,50pF 24mA 6 74LVC Open-drain Unidirectional TSSOP-14 Buffers, Drivers, Receivers, Transceivers ROHS). See how each wires it, with its parts, size, README and files; the SN74LVC07APW’s symbol, footprint and pinout are on its own page.

harp-tech/device.stepperdriver
A stepper motor controller device for four motors including individual quadrature encoders.