HardLabs

Usbkbdshield vt100

ryu10·usbkbdshield_vt100·usbkbd_vt100_KiCad/usbkbd_vt100.kicad_pcb

Usbkbdshield vt100 PCB layout, top view — open source AVR/Arduino board by ryu10
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About the Usbkbdshield vt100 PCB

Usbkbdshield vt100 is an open source AVR/Arduino PCB design by ryu10, published on GitHub. It is a 2-layer board measuring 68.6 × 53.2 mm, with 29 components from 18 distinct parts.

Its main chip is the ARDUINO_FOOTPRINT, from the AVR/Arduino family. Other key parts include the LED10ARRAY, LM393, 74LS06N and BUZZER. By type, the board carries 20 resistors, 4 ICs, 2 connectors and 2 capacitors.

It belongs with the keyboards and dev boards & breakouts designs in this gallery.

From the project

USB Keyboard Shield for VT100

This shield connects a standard USB keyboard to the DEC VT100 terminal.

All keys on the VT100 keyboard are mapped to the USB keyboard keys. VT100 keyboard LEDs and bell are emulated on the shield PCB.

The Gerber file, BOM, schematics and Arduino sketch for the shield are included in this repo. For the steps to assemble, program and connect the shields, please see the sections below.

Usbkbdshield vt100, from the project README
From the project README

Main components on the Usbkbdshield vt100

LED10ARRAYLM39374LS06NBUZZER

Usbkbdshield vt100 bill of materials (BOM)

29 components, 18 distinct parts.

QtyPartRefs
1
LED10ARRAY
U1
1
LM393
U2
1
74LS06N
U3
1
BUZZER
U4
1
VT100_Kbd
J1
1
To_AMP
J2
1
ARDUINO_FOOTPRINT
SHIELD1
1
.047uF
C1
1
6800pF
C2
2
2k
R1, R12
2
20k
R2, R4
5
10k
R3, R9, R10, R13, R14
1
1M
R5
3
1k
R6, R7, R11
2
4k7
R8, R16
2
68k
R15, R17
1
47k
R18
2
680
RN1, RN2

Usbkbdshield vt100 design files

The KiCad project lives in the ryu10/usbkbdshield_vt100 repository on GitHub; these links point at the commit this page was built from.

Usbkbdshield vt100: common questions

What microcontroller does the Usbkbdshield vt100 use?

The Usbkbdshield vt100 is built around the ARDUINO_FOOTPRINT, from the AVR/Arduino family.

How big is the Usbkbdshield vt100 PCB?

The Usbkbdshield vt100 measures 68.6 × 53.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Usbkbdshield vt100?

29 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the Usbkbdshield vt100 design files?

From the ryu10/usbkbdshield_vt100 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Usbkbdshield vt100 design in my own project?

The repository has no license, so all rights stay with ryu10. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Usbkbdshield vt100 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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