PCB Design Assistance

Done — I spaced the PCB layout out across a 160 × 100 mm board and grouped it more clearly: input/power on the left/top, amplifier parts in the middle, and speaker/output on the right.
✅ No overlap or out-of-board placement issues remain. The remaining “airwire” checks are expected because I stopped before routing, as requested by the layout workflow.
If this spacing looks good, I can route the PCB next.
i want the same track as the image with the ground
Got it — I’ll route the PCB to follow the same left-to-right path as the image and include a proper ground return. I’ll set wider power/ground routing rules first, then route and verify the board.
Done — I routed the PCB tracks, including the ground connections, following the same overall circuit flow as the image.
✅ Routing completed successfully
✅ Ground is connected
✅ No airwire, overlap, missing-footprint, dangling-trace, or invalid-layer issues remain in the final check.
Run DRC check
Generate Gerbers
Add GND pour
Create BOM spreadsheet


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7812 Audio Amplifier PCB thumbnail
Transformer-isolated rectifier, 7812 regulated 12 V supply, and 2N2222 single-transistor audio amplifier PCB recreated from the reference circuit image.

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Arrow

$7.49–$33.15

Digi-Key

$8.66–$38.00

HQonline

$2.28

LCSC

$16.95–$18.79

Mouser

$10.68–$38.50

TME

$3.72

Verical

$7.62–$58.90

Controls