Pre-Assembled v3.1

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Specifications for v3.1 of the board
This board is meant for individually addressable LEDs, if you are looking to control Analog LEDs, check out the QuinLED-Quad!

QuinLED-Dig-Quad is part of the QuinLED digital LED controller family and is an ESP32 powered WiFi or Ethernet connected addressable LED (strip) controller.

QuinLED-Dig-Quad is suited for Clocked (Data and Clock pin) and Clockless 5v, 12v or 24v Digital LED strips. Using clockless LED strip (such as WS2812b or SK6812) there are 4 independent level-shifted output channels. APA102 is known to work for one strip, but running 2 strips people have ran into issues with the current firmware versions. *Since WLED 0.12 I’ve had reports of users running 2x APA102 type strips without a problem!

Unique features of the QuinLED-Dig-Quad are 7 positive and negative output channels on the board running through 5 fuses (Channel 1&2 and 3&4 each share a fuse) making power injection much easier with all hardware and protection on the single board instead of having to use external components.

The QuinLED-Dig-Quad is compatible with WLED, ESPhome, EXPixelstick or custom code firmware.

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  • Uses Espressif ESP32 Micro-controller
    • Comes with QuinLED-ESP32 !
      • Compatible with all variants including Ethernet and can be selected during ordering
  • 5x Individual channel AHCT Level-shifter
    • 3.3v –> 5.12v level shifter for driving longer wire and strip lengths without flickering or corruption issues
    • “Secret” 5th channel!
      • Uses the Q1R relay trigger to drive LED strips
  • 5v-24v voltage input and strip/pixel compatible
    • Input terminals for getting maximum input power through the board
    • “Auto” 5v/12v/24v custom DC-DC circuit
      • Auto selects input (if vEXT feature is used) and auto compatible with 5v/12v/24v
        • Input voltage = output voltage for the LEDs!
  • vEXT feature
    • Allows running the board with 2 power supplies
      • Enables running off standby power (5v phone charger for instance) while main high-power LED power supply is switches off with a relay
    • Dedicated terminals for extra vIN, GND and relay trigger
      • Relay trigger is 5.12v boosted (Q1R)
        • Shared with Q1 pin
  • High current board design
    • Tested up to 50A of total power through the board
    • Extra large high current input and output screw terminals
  • Multiple Fuse protection
    • Automatic Polyfuse for onboard electronics
    • Onboard ATO style fuse holder for LED power outputs
      • Allows to fuse multiple power injection wires safely
      • Works in conjunction with “parallel diode” reverse polarity input and output protection
  • Large onboard capacitor and various onboard SMD capacitors
    • Smooth out large power spikes for the power supply
    • Enhanced stability for power delivery to components
    • Limit power supply inrush to the LEDs
  • Onboard DS18B20 temperature sensor
  • 6 GPIO in/outputs available through pin headers (see pinout article)
    • Can be used for buttons, sensors, etc.
      • Dedicated button pin broken out with pull-up resistor
      • Analog audio input broken out (A0 pin)
    • Multiple 3.3v, 5v and GND pins available
    • I²C Bus pins available
    • Optional pull-high and pull-low pads for resistors available
  • 4x Mounting holes
    • 4x M2.5
  • Medium size
    • Fully assembled the size is about 10cm high by 5cm wide with a height of 2,5cm

Power handling

The QuinLED-Dig-Quad has been designed with high current handling in mind. All pre-assembled versions have 2OZ copper on the board. The board has dedicated large double 9.5mm input terminals and 7x 5.08mm positive and negative output terminals.

*To allow the maximum current to be used please wire up the board with double as thick as possible input wires!

5v, 12v and 24v LED voltage compatible

Input voltage = Output voltage, match power supply voltage to LEDs!

Addressable LED strip often comes with separate cables to feed in more power into both sides. The QuinLED-Dig-Quad has lots of power output terminals to easily hook these up. Each of those outputs is fused and the board is designed to handle a very high current throughput.

Maximum input/output power

Maximum power is a difficult subject. Listed power is continuous power through the board or port. Digital LEDs rarely use a constant amount of power because of effects being displayed. Generally the load of “Full RGB white” is the worst load imaginable and something that rarely or even happens in reality. General LED power is about 1/3rd for doing effects and such. So a 30A continuous rating doesn’t seem like much, but instead of “only” being able to handle 500 LEDs of 0,06Amps (which they generally don’t use, see my real world values) each, in reality using it up to 1000 to 1500+ LEDs displaying various patterns is going to be fine.

To calculate expected power usage, please use my real world tested chart here.

*Pre-Assembled boards are always 2OZ

Maximum total sustained/continuous power input and output power through board

Maximum PEAK power input and output power through board

Maximum total sustained/continuous power per terminal and/or fuse