Difference between revisions of "MeterBoard/16A"

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== Status ==
 
== Status ==
* 2014-11-09: Started putting together initial design.
+
* 2015-07: Integrated into the first version of the HackLab Power Display and working fine. Calling this complete!
 +
* 2015-03-12: Built, initially tests fine! Need to get CPUE done for full testing.
 +
* 2014-12-16: 3 boards and 1 set of parts are here.
 +
* 2014-11-10: Checklisted/finished board, CAMed, sent off to OSH Park for manufacturing.
 +
* 2014-11-09: Completed BOM and schematic, and completed board layout except for the checklist. Will checklist/CAM it tomorrow.
 +
* 2014-11-08: Started putting together initial design.
  
 
== Specs ==
 
== Specs ==
 
* SPI interface to [[MeterBoard]] system.
 
* SPI interface to [[MeterBoard]] system.
* 16 buffered analog outputs that can source 50mA each (configurable per-channel levels via resistors)
+
* 16 buffered analog outputs that can source 50mA at 2.5v each (configurable per-channel levels via resistors)
 
** 8-bit outputs resolution, so at 50mV full-scale each step is 190uV
 
** 8-bit outputs resolution, so at 50mV full-scale each step is 190uV
 
*** ~1/3 degree steps on a 90 degree regular meter
 
*** ~1/3 degree steps on a 90 degree regular meter
 
*** ~1 degree steps on a 240 degree long-scale meter
 
*** ~1 degree steps on a 240 degree long-scale meter
  
[[Category:Current Projects]]
+
[[Category:Completed Projects]]

Latest revision as of 18:45, 12 September 2015

MeterBoard/16A is a module for the MeterBoard system that drives 16 analog meters.

Status

  • 2015-07: Integrated into the first version of the HackLab Power Display and working fine. Calling this complete!
  • 2015-03-12: Built, initially tests fine! Need to get CPUE done for full testing.
  • 2014-12-16: 3 boards and 1 set of parts are here.
  • 2014-11-10: Checklisted/finished board, CAMed, sent off to OSH Park for manufacturing.
  • 2014-11-09: Completed BOM and schematic, and completed board layout except for the checklist. Will checklist/CAM it tomorrow.
  • 2014-11-08: Started putting together initial design.

Specs

  • SPI interface to MeterBoard system.
  • 16 buffered analog outputs that can source 50mA at 2.5v each (configurable per-channel levels via resistors)
    • 8-bit outputs resolution, so at 50mV full-scale each step is 190uV
      • ~1/3 degree steps on a 90 degree regular meter
      • ~1 degree steps on a 240 degree long-scale meter