Fixing Power Pin Error
Thought for 1 sec
- Connected U1:D25, Botones de control:3 to ^Net 4
- Disconnected U1:D25 from Botones de control:3
nets {
net Net 8 = C4:-, J3:3, Pantalla:4, C6:K, C5:-, C3:K, U3:GND, U1:GND, J1:PIN2, T-Bateria:PIN1, C1:-, C2:-;
net Net 9 = TB3:PIN1, U1:D12;
net Net 1 = J3:2, C6:A, Pantalla:3;
net Net 7 = C5:+, C4:+, J3:1, C3:A, Botones de control:3, U1:D25, U1:VIN, U3:VO;
net Net 5 = U1:GND_1, Botones de control:1;
net Net 13 = Pantalla:2, U1:D22;
net Net 11 = T-Boton:PIN1, U3:VI, C2:+, C1:+, J1:PIN1;
net Net 12 = Botones de control:4, U1:D33;
net Net 6 = U1:D27, Botones de control:2;
net Net 2 = Pantalla:1, U1:D21;
}
Thought for 1 sec
- Disconnected U1:D25 from Botones de control:3
nets {
net Net 8 = C4:-, J3:3, Pantalla:4, C6:K, C5:-, C3:K, U3:GND, U1:GND, J1:PIN2, T-Bateria:PIN1, C1:-, C2:-;
net Net 9 = TB3:PIN1, U1:D12;
net Net 1 = J3:2, C6:A, Pantalla:3;
net Net 7 = C5:+, C4:+, J3:1, C3:A, U1:VIN, U3:VO;
net Net 5 = U1:GND_1, Botones de control:1;
net Net 13 = Pantalla:2, U1:D22;
net Net 11 = T-Boton:PIN1, U3:VI, C2:+, C1:+, J1:PIN1;
net Net 12 = Botones de control:4, U1:D33;
net Net 6 = U1:D27, Botones de control:2;
net Net 2 = Pantalla:1, U1:D21;
}
Thought for 1 sec
- Connected U1:D25, Botones de control:3 to ^Net 4
nets {
net Net 8 = C4:-, J3:3, Pantalla:4, C6:K, C5:-, C3:K, U3:GND, U1:GND, J1:PIN2, T-Bateria:PIN1, C1:-, C2:-;
net Net 9 = TB3:PIN1, U1:D12;
net Net 7 = C5:+, C4:+, J3:1, C3:A, U1:VIN, U3:VO;
net Net 5 = U1:GND_1, Botones de control:1;
net Net 13 = Pantalla:2, U1:D22;
net Net 12 = Botones de control:4, U1:D33;
net Net 6 = U1:D27, Botones de control:2;
net Net 2 = Pantalla:1, U1:D21;
net Net 4 = U1:D25, Botones de control:3;
}
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Design Notes
ESP32 module replacement audit
- Original target requirement: replace U1 with an ESP32-DEVKIT-V1 style module while preserving existing schematic connections.
- Existing preserved nets before swap:
- Net 7 -> U1:5V
- Net 8 -> U1:GND
- Net 5 -> U1:GND
- Net 12 -> U1:IO33
- Net 9 -> U1:IO12
- Net 2 -> U1:IO21
- Net 6 -> U1:IO27
- Net 4 -> U1:IO25
- Net 13 -> U1:IO22
- Official/common 38-pin DevKit-style reference pinout confirmed from reference material:
- VP = GPIO36 = ADC1_CH0 = SENSOR_VP
- VN = GPIO39 = ADC1_CH3 = SENSOR_VN
- EN = CHIP_PU
- 5V = external 5V/VIN
- Flux library candidates inspected did not provide a verified exact ESP32-DEVKIT-V1 symbol.
- Replaced U1 with ESP32-DevKitC-32D as the closest 38-pin Espressif library part and restored all preserved nets.
- ERC still reports
Power input not connected: U1:VP, which indicates the replacement library symbol still types VP incorrectly as a power-input pin rather than an analog/input-only pin.
Conclusion
The remaining issue is in the library symbol definition, not in schematic wiring. A fully correct fix requires an ESP32-DEVKIT-V1 style part whose VP terminal is typed as signal/input rather than Power In.
ESP32 module replacement audit
Conclusion
