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W5500 EVB Pico2

paradajz edited this page Apr 21, 2026 · 1 revision

Quick overview

  • OpenDeck target name: w5500_evb_pico2
  • Power: USB C or PoE, depending on board variant
  • MCU: RP2350A
  • MIDI: USB, DIN
  • OSC: Ethernet
  • Traffic indicators: 1
  • Digital inputs: 10
  • Outputs: 3 (PWM / level control)
  • Analog inputs: 3
  • Board docs: WIZnet W5500-EVB-Pico2
  • Buy links:

Connections

Pinout to use as an reference to pins in later sections:

Switches

Switch # Pin 1 Pin 2
0 GP2 GND
1 GP3 GND
2 GP6 GND
3 GP7 GND
4 GP8 GND
5 GP9 GND
6 GP10 GND
7 GP11 GND
8 GP12 GND
9 GP13 GND

Analog inputs

Switch # Pin 1 Pin 1 Pin 2
10 GP26 GND with 10k resistor 3V
11 GP27 GND with 10k resistor 3V
12 GP28 GND with 10k resistor 3V

Rotary encoders

Encoder # Pin 1 Pin 2 Pin 3
0 GP2 GND GP3
1 GP6 GND GP7
2 GP8 GND GP9
3 GP10 GND GP11
4 GP12 GND GP13

Potentiometers

Potentiometer # Pin 1 Pin 2 Pin 3
0 3V GP26 GND
1 3V GP27 GND
2 3V GP28 GND

FSRs

FSR # Pin 1 Pin 2 Pin 2
0 3V GP26 GND with 1k resistor
1 3V GP27 GND with 1k resistor
2 3V GP28 GND with 1k resistor

PWM outputs

Note: current-limiting resistors for LEDs are required in order to avoid damage to the board.

Output # Anode Cathode
0 GP14 GND
1 GP15 GND
2 GP22 GND

Traffic indicators

Indicator LED
USB input GP25
USB output GP25
DIN input GP25
DIN output GP25
Network input GP25
Network output GP25
Network up GP25

I2C

Signal Pin
Vcc 3V
GND GND
SDA GP4
SCL GP5

DIN MIDI

This board doesn't have DIN MIDI connectors, so they have to be added to the board with the corresponding circuitry. Use this schematic:

MIDI In MIDI out
GP1 GP0

Touchscreen

Touchscreen support is not enabled on this target.

Bootloader switch

Hold OpenDeck switch 0 / GP2 low while resetting or powering the board to enter the OpenDeck bootloader.

Flashing

To flash this board with the OpenDeck firmware, go to the OpenDeck configurator and follow the instructions.

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