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Volume daughterboard

LouDnl·USBSID-Pico·hardware/Volume-daughterboard/Volume-daughterboard.kicad_pcb

Top view of the Volume daughterboard PCB
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Volume daughterboard is an open source PCB design by LouDnl: a 2-layer, 52.6 × 18.5 mm board with 28 components (25 distinct parts). It is built around the PM254-1-20-Z-8.5. Filed under retro computing and audio.

USBSID-Pico is a RPi Pico (RP2040/W RP2350/W) based board for interfacing one or two MOS SID chips and/or hardware SID emulators over (WEB)USB with your computer, phone, ASID supporting player or USB midi controller

Built around

PM254-1-20-Z-8.5

Parts list

28 components, 25 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
PM254-1-20-Z-8.5
OPA1688IDR
Texas Instruments
U1
1
IC254V-12-28-0743-P1524
GND/S1
XUNPU
J1
1
IC254V-12-28-0743-P1524
S2/GND
XUNPU
J2
1
1503 17
Lumberg
J4
1
Left Volume
ALPSALPINE
RV1
1
Right Volume
ALPSALPINE
RV2
1
MBR120VLSFT1G
BAT54C
Diodes Incorporated
D1
1
T491A106K016AT
0.1uF
FOJAN
C1
1
0805B471K500NT
0.1uF
FOJAN
C2
1
CL21B223KBANNNC
47uF 16v
FOSAN
C3
1
0805B471K500NT
47uF 16v
FOSAN
C4
1
CL21B223KBANNNC
10uF
FOJAN
C5
1
0805B471K500NT
10uF
FOJAN
C6
1
CL21B223KBANNNC
100pF
FOJAN
C7
1
0805B471K500NT
100pF
FOJAN
C8
1
CL21B223KBANNNC
1uF
FOJAN
C9
1
CL21B102KBANNNC
1uF
FOJAN
C10
1
CL21B102KBANNNC
10uF
FOJAN
C11
1
0805W8F1002T5E
10k
UNI-ROYAL
R1
2
0805W8F1001T5E
10k
UNI-ROYAL
R2, R9
Show 5 more
QtyPartRefs
1
0805W8F1001T5E
10r
-- mixed values --
R3
1
0805W8F1002T5E
10r
UNI-ROYAL
R4
1
0805W8F1002T5E
47k
UNI-ROYAL
R5
3
0805W8F1001T5E
47k
-- mixed values --
R6, R7, R8
1
0805W8F7501T5E
10k
UNI-ROYAL
R10

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