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Optical Encoder power out changed from 3v3 to 5v rpi bus
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Increase size of stepper motor driver PCB holes from 0.7mm to 1mm
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Reduced distance between stepper motor driver pins by 1.27mm
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Increased size of holes for DC/DC Buck converter from 0.7mm to 1mm
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Removed component values from PCB Silkscreen
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Increased text size for component references.
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Changed orientation of Optical Encoder connector as Vcc and GND were reversed
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Increase CLR for 12v bus LED - DONE NOW 10k
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Changed STEPP_EN enable pin from both MCUs to SLP pin on stepper controller
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Changed SHIFT Reg Q7 output to STEPP_EN for Supervisor MCU. No Control for Student MCU
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doesnt seem to change anything but at least its there incase
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Tied pull down resistors on stepper MODE inputs to VCC to pull up - standard mode is now finest resolution
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Tied Mode switches to GND to pull down when actuated.
#TODO:
- Add STEPP_SLP To Q7 shift register - How can this be coordinated between 2 MCUs?
- NOTE ON ABOVE. CHANGING ENABLE PIN TO OPEN SLEEP PIN NOW CONTROLLED INSTEAD OF ENABLE
- Stepper motor output make match evisting connectors?