HardLabs

HDMI2USB-TOFE-LowSpeedIO

timvideos·HDMI2USB-TOFE-LowSpeedIO·board/TOFE-LowSpeedIO.kicad_pcb

HDMI2USB-TOFE-LowSpeedIO PCB layout, top view — open source AVR/Arduino board by timvideos

About the HDMI2USB-TOFE-LowSpeedIO PCB

HDMI2USB-TOFE-LowSpeedIO is an open source AVR/Arduino PCB design by timvideos, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 108 × 111.3 mm, with 41 components from 20 distinct parts.

Its main chip is the AURD_COMM_SHIELD_ZERO_NEW, from the AVR/Arduino family. Other key parts include the TOFE-8X, PIC18F14K50 and 7805_NW. By type, the board carries 10 resistors, 7 diodes, 7 capacitors, 6 connectors, 4 ICs and 4 switches.

From the project

A Low Speed I/O board for use with TOFE-8x compatible boards like the Numato Opsis.

The Numato Opsis, the first open hardware for the HDMI2USB firmware, can now be ordered from Numato Labs

While the Numato Opsis board has a massive amount of high speed I/O interfaces, it doesn't include many features for interfacing with more pedestrian speed devices such as buttons or LEDs. To help solve this problem “Low speed I/O” TOFE expansion board was created.

HDMI2USB-TOFE-LowSpeedIO, from the project README
From the project README

Main components on the HDMI2USB-TOFE-LowSpeedIO

TOFE-8XAURD_COMM_SHIELD_ZERO_NEWPIC18F14K507805_NW

HDMI2USB-TOFE-LowSpeedIO bill of materials (BOM)

41 components, 20 distinct parts.

QtyPartRefs
1
TOFE-8X
U1
1
AURD_COMM_SHIELD_ZERO_NEW
U2
1
PIC18F14K50
U3
1
7805_NW
U5
1
CRYSTAL
X1
1
USBMICRO
X2
4
PMOD-CONN_6X2
P1, P2, P3, P4
1
CONN_2
P5
1
CONN_6
P6
1
P***
1PIN
4
SW_PUSH
SW1, SW2, SW3, SW4
6
LED
D1, D2, D3, D5, D6, D7
1
DIODE
D4
2
22pF
C1, C2
3
0.1uF
C3, C4, C10
2
100uF
C8, C9
7
10K
R1, R2, R3, R6, R7, R8, R9
1
680R
R4
1
10K
R5
1
100R
R10

HDMI2USB-TOFE-LowSpeedIO design files

The KiCad project lives in the timvideos/HDMI2USB-TOFE-LowSpeedIO repository on GitHub; these links point at the commit this page was built from.

HDMI2USB-TOFE-LowSpeedIO: common questions

What microcontroller does the HDMI2USB-TOFE-LowSpeedIO use?

The HDMI2USB-TOFE-LowSpeedIO is built around the AURD_COMM_SHIELD_ZERO_NEW, from the AVR/Arduino family.

How big is the HDMI2USB-TOFE-LowSpeedIO PCB?

The HDMI2USB-TOFE-LowSpeedIO measures 108 × 111.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the HDMI2USB-TOFE-LowSpeedIO?

41 components, from 20 distinct parts. The full bill of materials is listed on this page.

Where can I download the HDMI2USB-TOFE-LowSpeedIO design files?

From the timvideos/HDMI2USB-TOFE-LowSpeedIO repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the HDMI2USB-TOFE-LowSpeedIO design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which timvideos chose for the repository.

Can I test firmware for the HDMI2USB-TOFE-LowSpeedIO without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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