Difference between revisions of "ER-LEDS"

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* 3U 6HP Eurorack card
 
* 3U 6HP Eurorack card
* [[Arduino Pro Mini]] CPU
+
* [[Arduino Pro Mini|Arduino Pro Mini CPU]]
 +
** 16 MHz
 +
** 5V
 
* Drives recessed NeoPixel strip in top of Eurorack box
 
* Drives recessed NeoPixel strip in top of Eurorack box
 
* Daughtercard to [[ER-PROTO-02]] card
 
* Daughtercard to [[ER-PROTO-02]] card
 
** Uses Front Panel and Controls card
 
** Uses Front Panel and Controls card
* RV1 = Mode knob
+
* Controls
** 4 modes: 3 rainbow, 1 white
+
** RV1 = Mode knob
* RV2 = brightness
+
*** 4 modes: 3 rainbow, 1 white
 +
** RV2 = brightness
 
* GATE input could be used to step between rainbow pattern
 
* GATE input could be used to step between rainbow pattern
 
* LED strip types ([https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1311&_nkw=neopixel+led+strip&_sacat=0&LH_TitleDesc=0&_odkw=neopixel&_osacat=0 Ebay search])
 
* LED strip types ([https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1311&_nkw=neopixel+led+strip&_sacat=0&LH_TitleDesc=0&_odkw=neopixel&_osacat=0 Ebay search])
Line 17: Line 20:
 
* 16 pin (8x2) box power connector
 
* 16 pin (8x2) box power connector
 
** Requires 5V at current depending on the number of LEDs
 
** Requires 5V at current depending on the number of LEDs
** Each individual NeoPixel draws up to 60 milliamps at maximum brightness white (red + green + blue)
+
** From [https://learn.adafruit.com/adafruit-neopixel-uberguide/powering-neopixels Powering NeoPixels Adafruit page]
*** [https://learn.adafruit.com/adafruit-neopixel-uberguide/powering-neopixels Powering NeoPixels Adafruit page]
+
*** Each individual NeoPixel draws up to 60 milliamps at maximum brightness white (red + green + blue)
 
** 17 LEDs (30 LEDs/M) in 104 HP rack = 1A
 
** 17 LEDs (30 LEDs/M) in 104 HP rack = 1A
  
Line 38: Line 41:
 
* RV1, RV2 jumpers on controls card for Vcc/GND
 
* RV1, RV2 jumpers on controls card for Vcc/GND
 
** Vcc is 5V from daughtercard
 
** Vcc is 5V from daughtercard
 +
* Series resistor on Data Output line
  
 
[[FILE:ER_LEDS_P1090003_720PX.jpg]]
 
[[FILE:ER_LEDS_P1090003_720PX.jpg]]
  
 
* GVS (Ground, Vcc, NeoPixel data line) on 1x3 header
 
* GVS (Ground, Vcc, NeoPixel data line) on 1x3 header
 +
* Arduino uses +12V into "RAW" pin of Arduino Pro Mini
  
 
[[FILE:ER-LEDS_P1090004_720PX.jpg]]
 
[[FILE:ER-LEDS_P1090004_720PX.jpg]]

Latest revision as of 14:41, 13 January 2023

ER-LEDS P1080999-720px.jpg

Features

  • 3U 6HP Eurorack card
  • Arduino Pro Mini CPU
    • 16 MHz
    • 5V
  • Drives recessed NeoPixel strip in top of Eurorack box
  • Daughtercard to ER-PROTO-02 card
    • Uses Front Panel and Controls card
  • Controls
    • RV1 = Mode knob
      • 4 modes: 3 rainbow, 1 white
    • RV2 = brightness
  • GATE input could be used to step between rainbow pattern
  • LED strip types (Ebay search)
    • Using 30 LEDs per 1 M
    • Other options are 60 LEDs/M or 144 LEDs/M
  • 16 pin (8x2) box power connector
    • Requires 5V at current depending on the number of LEDs
    • From Powering NeoPixels Adafruit page
      • Each individual NeoPixel draws up to 60 milliamps at maximum brightness white (red + green + blue)
    • 17 LEDs (30 LEDs/M) in 104 HP rack = 1A

Arduino Pro Mini

2014-05-14T23 52 48.894Z-2-720px.jpg

Software

ER_LEDS.ino - Software Build

  • RV1 - Pattern
    • White
    • Color
  • RV2 - Brightness

Build

  • 1000 uF cap on 5V power
  • RV1, RV2 jumpers on controls card for Vcc/GND
    • Vcc is 5V from daughtercard
  • Series resistor on Data Output line

ER LEDS P1090003 720PX.jpg

  • GVS (Ground, Vcc, NeoPixel data line) on 1x3 header
  • Arduino uses +12V into "RAW" pin of Arduino Pro Mini

ER-LEDS P1090004 720PX.jpg