Music Synth Controller Design

Worked for 10 mins 15 sec
Thought for 3 sec
1/3 Set compact rounded-rectangle board size and 4-layer stackup
Accessed knowledge.
Thought for 1 sec
Read layout.
Thought for 7 sec — Considering layout size
Editing board size.
Thought for 2 sec
2/3 Place components by functional block without routing traces

Set compact rounded-rectangle board size and 4-layer stackup

Place components by functional block without routing traces

Review placement for overlaps and airwires-only expected DRC

Accessed knowledge.
Thought for 9 sec
Baking PCB layout data.
Running placement agent.
Thought for 3 sec
Placing components.
Thought for 2 mins 28 sec — Arranging components on grid
Placing components.
Thought for 1 min 24 sec — Planning component layout
Placing components.
Thought for 39 sec
Placing components.
Thought for 33 sec — Fixing completion criteria
Placing components.
Thought for 14 sec — Refining component placement
Placing components.
Thought for 8 sec
Placing components.
Thought for 9 sec
Placing components.
Thought for 1 min 5 sec — Evaluating J2 rotation and positioning
Placing components.
Thought for 44 sec
Placing components.
Thought for 16 sec — Checking for overlaps
Placing components.
Thought for 17 sec — Adjusting placements for spacing
Placing components.
Thought for 12 sec — Assessing completion criteria
Component placement complete.
Applying placement changes.
mixikid

mixikid

it's okay for board to be double sided by the way

flux

Understood — I’ll allow bottom-side placement for small passives if it improves spacing, while keeping knobs, LEDs, buttons, USB-C, audio jack, MCU, codec, and PSRAM on top for usability and assembly clarity.

flux

Done — the board is now a compact 100 × 75 mm rounded rectangle with a 4-layer stackup.
Components are arranged logically without routing traces: pots in a neat row, LEDs in order below them, two buttons below/near the LED row, USB-C on the left edge, audio jack on the right edge, MCU/PSRAM central, codec near audio, and power near USB. I allowed small resistors/capacitors on the bottom side while keeping all user-facing parts and major ICs on top; placement checks are clean, and the remaining review items are expected unrouted airwires only.
Run focused DRC
Route critical nets
Add mechanical features
Export placement report
Sign up to send
R21 P2 - J2 TIP
U1 PD12 - U3 SO/SIO(1)
R22 P2 - J2 RING
R4 P2 - LED4 ANODE_A
U2 VCC - C15 P1
U4 FB - R17 P2
U1 PD13 - U3 SIO(3)
J1 CC1 - R9 P1
U1 PD11 - U3 SI/SIO(0)
J1 DN1 - J1 DN2
U4 SW - L1 P1
U1 VREF+ - U1 VBAT
U4 INH - C21 P1
J1 CC2 - R10 P1
U1 PE2 - U3 SIO(2)
U4
Not Recommended for New Designs
LED4
GND
J1 SHIELD - J1 SHIELD
U2 SGND - U3 VSS
U2 SGND - U3 VSS
GND
J1 SHIELD - J2 SLEEVE
U4 PADGND - U4 SYNC
J1 SHIELD - J2 SLEEVE
U4 PADGND - U4 SYNC
J2
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STM32 PSRAM Audio Synth Controller thumbnail
Compact ARM Cortex STM32 music synth controller modeled after Daisy Seed, with external PSRAM, PCM3060 audio codec, three potentiometers, eight LEDs with resistors, two buttons, audio jack, rounded-rectangle PCB, mounting holes, and row-aligned controls.

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Arrow

$11.79–$12.30

Digi-Key

$23.39–$25.00

HQonline

$6.39

LCSC

$27.94–$30.51

Mouser

$31.60

TME

$8.57

Verical

$10.11–$19.08

Controls