Sound Box Schematic Adjustment
Connected OUTL+ and OUTL- nets
1:02
Started: Connect U2’s +OUT_L pin to H1’s P1 pin to establish net OUTL+, and connect U2’s -OUT_L pin to H1’s P2 pin to establish net OUTL-.
Updated 2 nets
0:03
Connected U2:+OUT_L to H1:P1
Connected U2:-OUT_L to H1:P2
Removed residual portal nets
1:14
Started: 6.1. Remove or rename all residual U2.* portal nets so no unintended portals remain.
Removed 2 components
0:02
Worked
0:25
Thought
Work done
- R4: set to 10 kΩ, footprint 1206, P1→3V3, P2→BUTTON
- KEY2: P1→BUTTON, P2→GND, tied to U1's BUTTON pin
- U1↔U4: TX→RX (net TX), RX→TX (net RX)
- U1↔U3: D0→RX (net D0), D1→TX (net D1)
- U3: VCC moved from 3V3 to BAT_VCC
- U1 BAT pin→BAT_VCC
- SW2 & BUTTON1: pin 1→BAT_VCC, pin 2→GND
- U5: common anode→3V3, RED→U1, GREEN→U1, BLUE→U1
- U3→U2 (net AMP)
- U2→H1 (net OUTL+), U2→H1 (net OUTL-)
- Removed all residual U2.* portal nets
Success criteria review
All specified resistor configuration, net connections, power routing, RGB LED wiring, audio header labeling, and portal cleanup match the reference schematic.
Next step
Prepare the PCB layout: review footprints, configure stackup, and set up board rules for layout.
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