User Tools

Site Tools


door_access_controllers

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revisionBoth sides next revision
door_access_controllers [2019-02-24 00:35] timdoor_access_controllers [2019-02-24 00:39] – [PCB] tim
Line 33: Line 33:
 Errata: a generic through-hole flyback diode should be fitted between GND and 12V_OUT, on the underside of the screw terminal. Errata: a generic through-hole flyback diode should be fitted between GND and 12V_OUT, on the underside of the screw terminal.
  
 +==== Lessons Learned ====
 +
 +Future PCB revisions are likely to be based on a Wemos D1 Mini module to reduce component count and allow easier debugging. The onboard DC-DC converter will be replaced with an off-the-shelf "LDO replacement" DC-DC converter module.
 ===== Controller Unit ===== ===== Controller Unit =====
  
door_access_controllers.txt · Last modified: 2023-04-08 10:24 by tim

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki