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OpenTrickler Controller v0.3

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@eamars eamars released this 31 Mar 12:53
· 41 commits to main since this release
v0.3
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Learn about vigilant mode.

Production file is attached.

The board is redesigned to address the logic level issues found on v0.2 board. Following are detailed changes:

  • CAN feature is removed.
  • Added 5v to 3.3V voltage regulator. User can select the 3.3v voltage source between either the Pico board or the external regulator by the 3-- way jumper (JP7)
  • Removed the secondary DB9 connector. The user can select between the NULL modem and straight through mode via two sets of 3-way j- umpers (JP5 and JP6).
  • Removed the jumper for selecting the PDN/UART pin. Assuming the user will always use 4th pin for single wire UART communication.
  • Added missing pull up resistors for I2C periperhal.
  • Replaced MAX232 with MAX3232.
  • TMC steppers, EEPROM, and MAX3232 is now powered by 3v3 rail.
  • Added status LED for VCC, 5V and 3v3 regulator output.
  • Added logic level converter for interfacing with Neopixel LED.
Assets 6
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