QuinLED-Dig-Quad Revision history

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To try and keep track of past revisions and the major changes between the versions here is a list of past releases and some of the things that have changed

QuinLED-Dig-Quad
- Version 1
  - Revision 6
    - 2020-06-19
      - Initial release version
  - Revision 6b
    - 2020-08-7
      - Changed screw holes from M2 to M2.5
- Version 2
  - Revision 7
    - Dates
      - Pre-Assembled – 2021-04-30
      - DIY – Never released
    - Pre-Assembled and DIY (once available) combined changes
      - New pinout to make board Ethernet compatible
        
        Compatible with D1 Mini32, best to use a QuinLED-ESP32!
      - Optimized board layout improving signal integrity
      - Switched to 249R data channel resistors
      - Full 24v compatibility
      - Outputs renamed to LED1 and LED2 (fully Dual channel ws281x controller with ESP32!)
      - 5vEXT screw terminals for standby board power
    - Pre-Assembled extra features
      - Custom DC-DC circuit
        
        Auto Everything TM (matching main input voltage with LED voltage still required!)
        
        No more Jumpers!
        
        Auto 5v-24v in for main AND 5vEXT (pre-assembled only!)
        
        Auto input switching between main and 5vEXT
        
        Enhanced 5.12v LED Data channel voltage boost
      - Always comes with ESP32 now!
      - 5.12v Q1R GPO terminal next to 5vEXT terminals
        
        Better compatible with more external relay modules then standard 3.3v GPIO
- Version 3
  - Revision 1
    - Dates
      - Pre-Assembled – 2021-11-10
      - DIY – TBD
    - Changed input terminals from 3x 5mm to 2x 9.5mm that accept fork style crimp plugs
      - Board size slightly changed to accommodate new terminals (slightly wider)
    - New type screw terminals all around to better fit 16AWG wire
    - Revised board layout with slightly more clearance around some tracks
    - Added 2x PTC “auto fuse” on inputs for extra protection
- Version 3.1
  - Revision 2
    - Dates
      - Pre-Assembled 2022-05
    - Added onboard resistor switches
      - Reworked Level-Shifter setup
      - 4 channels with individual selection for 33Ω or 249Ω resistor
        
        Default set to 249Ω
        
        Allows per channel selection for 3-wire or 2-wire power + data cable!
    - Renamed 5vEXT to vEXT since it accepts 5v-24v
    - Small silkscreen improvements
      - Added WLED logo to the board!