Description

Quad Stall motor with point sense cape

This Beagle Bone Cape implements four Stall motor drivers with point sense to your Beagle Bone. It uses 8 GPIO pins, one for each motor driver and one for each point sense circuit. It uses TC4428's to drive the Stall Motors and uses SN74AHC00N's wired as RS FlipFlops to debounce the point sense (assumes a SPDT switch mechanically connected to the points (or the internal switch in the

Stall Motor). Uses 8 GPIO pins:

Motor1 on GPIO0_7: P9-42

Motor2 on GPIO1_6: P8-3

Points1 on GPIO1_28: P9-12

Points2 on GPIO1_7: P8-4

Motor3 on GPIO1_16: P9-15

Motor4 on GPIO1_17: P9-23

Points3 on GPIO3_21: P9-25

Points4 on GPIO3_19: P9-27

Code

https://github.com/RobertPHeller/RPi-RRCircuits/tree/master/QuadSMCSenseOpenMRN

Schematic and Layout

https://github.com/RobertPHeller/RPi-RRCircuits/tree/master/QuadSMCSenseCape

Download Gerbers Download BOM(Bill of materials)

Jul 14,2019

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Quad Stall motor with point sense cape

2 Layers PCB 54.6 x 96.52 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen

This is a four stall motor (eg Tortoise) driver with point sense cape for the Beagle Bone Black.

1434

6.05 (5)

Published: Jul 14,2019

Download Gerber file 8

BOM(Bill of materials)

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