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Adbuino

akuker·adbuino·hw/adbuino_v0p9/adbuino.kicad_pcb

Top view of the Adbuino PCB
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Adbuino is an open source AVR/Arduino PCB design by akuker: a 2-layer, 30.5 × 63 mm board with 43 components (24 distinct parts). It is built around the MAX3421EEHJ+, 74HC4050D,653, AMS1117-3.3, ATmega328P-AU. Filed under keyboards and retro computing.

Arduino-based USB keyboard and Mouse to ADB adapter. Allows USB keyboards and mice to be used with vintage Macintosh computers.

"Adbuino" has a long history of different people tinkering with it. Just to provide some clarity...

- ORIGINAL PS/2 version - In the beginning - bbraun created the adbuino project and generously open sourced it. The links aren't working anymore, but the original SVN repo was bbraun's - Difegue PS/2 version - 2020 - Difegue's version of the adbuino, modified bbraun's version, with some extra code added to alleviate issues with his own PS/2 keyboard. - akuker USB version - 2022 - akuker converted Difegue's version to use a USB controller and created a PCB design using KiCad. - QuokkADB - 2023…

Adbuino, from the project README
From the project README

Built around

MAX3421EEHJ+74HC4050D,653AMS1117-3.3ATmega328P-AU

Parts list

43 components, 24 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MAX3421EEHJ+
IC1
1
74HC4050D,653
IC2
1
AMS1117-3.3
U1
1
ATmega328P-AU
U2
2
BSS138
Q1, Q2
1
16MHz
Y1
1
12MHz
Y2
1
Conn_01x06_Male
J1
1
U254-051N-4BH806
J2
1
USB_A
J3
2
MINI-DIN-4
Mini-DIN-4
J4, J5
1
C66452
Polyfuse
F1
2
SW_Push
SW1, SW2
2
10u
C1, C4
10
100n
C2, C3, C5, C8, C9, C12, C13, C14 +2
2
4p
C6, C7
2
30p
C10, C11
1
10K
1M
R1
1
10K
10k
R2
1
10K
2.2k
R3
Show 4 more
QtyPartRefs
2
10K
1k
R4, R5
1
10K
33
R6
1
33
R7
4
10k
R8, R9, R10, R11

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