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DOA AnOut1

From PHCC

DOA_AnOut1

Features:

  • 16 channels
  • 8 bit resolution
  • uses DOA protocol
  • primarily for d'Arsonval type of instruments
  • other light loads can also be controlled with the built-in transistor outputs, eg to control cooling fan speed or dimmable lamps.
  • open collector outputs, max 45V (or more, depending on transistor)
  • software controllable refresh rate (usually called "PWM period")

Schematic and Layout

Rev.0B

Rev.0B Schematic

Rev.0B Layout

Rev.0C

Rev.0C Schematic

Rev.0C Layout

Assembly Instructions

Formats available:

Bill of Materials

see download page.

North American users Bill of Materials media: DOA AnOut1 rev0c BOM.pdf

Eagle and Gerber files

see download page.

Changes between Revisions:

Rev.0C No functional changes. The outputs now feature a connector with more pins. The pinout on this connector thus changed. The odd-numbered pins all carry +5V, while the signals are on the even-numbered pins. Also added one capacitor, C2. Capacitor numbering changed as well.
Rev.0B First public release.