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Pin

USB Signal

Connection

1

VCC

Pin 8 (5v in) on SugarPi3

2

VCC

Current connector to power fan?

3

USB0-

MicroUSB cable USB- (green)

4

USB1-

Empty

5

USB0+

MicroUSB cable USB+ (white)

6

USB1+

Empty

7

GND

Pin 1 on SugarPi 3 (next to Pin 8) AND USB ground (black)

8

GND

Current ground connector to fan?

9

No Connect

Empty

10

Empty

Empty

Info

Check dmesg and lsusb on both the Netrabrick and the Raspberry Pi to see if the USB connection is working.

From lsusb on the Netrabrick you should see something similar to:

Bus 004 Device 005: ID 1d6b:0104 Linux Foundation Multifunction Composite Gadget

NUC Front Panel header

Connecting the NUC Front Panel header to the Raspberry Pi is necessary if want ATX power control from PiKVM.

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  • x4 MOSFET relays OMRON G3VM-61A1 or OMRON G3VM-61AY1.
    Don't use random relay modules or random optocouplers! Some of these may not be sensitive enough for the Raspberry Pi, some others may be low-level controlled. Either use relays that are activated by a high logic level, or follow the design provided and buy an OMRON. See details here.

  • x4 390 Ohm resistors (see here for alternatives).

  • 2x 4.7 kOhm resistors.

  • x10+ dupont wires male-male.

  • x1 a breadboard.

  • various wires for the breadboard.

USB connections

The lsusb command should report the different connected USB devices:

Device

lsusb report

LoRA dongle (connection to Vinduino)

Cypress Semiconductor Corp. USB-UART LP

RT-SDR (connection to weather station)

Realtek Semiconductor Corp. RTL2838 DVB-T

PiKVM

Linux Foundation Multifunction Composite Gadget

Code Block
mtb@netrabrick:~$ lsusb
Bus 005 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 004 Device 004: ID 1d6b:0104 Linux Foundation Multifunction Composite Gadget
Bus 004 Device 003: ID 05e3:0610 Genesys Logic, Inc. Hub
Bus 004 Device 002: ID 8087:0029 Intel Corp. AX200 Bluetooth
Bus 004 Device 005: ID 0bda:2838 Realtek Semiconductor Corp. RTL2838 DVB-T
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 008: ID 04b4:0003 Cypress Semiconductor Corp. USB-UART LP
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Dappnode base instance

This section describes the steps involved for installing the Dappnode Linux base instance (bare metal install).

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