Fixing Missing Routed Traces

flux

This error means Flux sees pads on the same net that are not physically connected by routed copper. That is exactly what the Airwires check reports: missing routed traces between pads in a net
For your specific case:
  • ADHESION_1 P1 is on the Top layer
  • ADHESION_2 P1 is also on the Top layer
  • Both P1 pads are assigned to the same net, +BAT_RAW
  • So the fix is to route copper between those two pads, or remove/change the net assignment if they were not meant to be connected
What to do:
  1. In PCB view, select the airwire for +BAT_RAW between ADHESION_1 and ADHESION_2.
  2. Route a trace on the Top layer from P1 to P1.
  3. Recheck the review.
Important:
  • Your layout has plenty of board space, so this looks like a straightforward missing route, not a congestion problem.
  • The project currently has many Airwires errors, not just this one, so fixing these two pads may clear only one of many unrouted nets.
If +BAT_RAW on those two pads was accidental, then the real fix is on the schematic side:
  • disconnect or rename that net so they are no longer both on +BAT_RAW.
If you want, I can inspect whether ADHESION_1 and ADHESION_2 are supposed to be on +BAT_RAW, and tell you whether to route them or change the net.
Inspect net intent
Check other airwires
Review +BAT_RAW path
Sign up to send
J3 CC2 - R2 P1
U2 ILIM - R3 P1
L1 P2 - IC1 VOS
J3 V-BUS__1 - C1 P1
IC1 SW - L1 P1
IC1 EN - C3 P1
L1 P2 - IC1 VOS
IC1 SW - L1 P1
J3 V-BUS__1 - C1 P1
IC1 VSET - R6 P1
IC1 EN - C3 P1
U2 ISET - R4 P1
J3 CC1 - R1 P1
IC1 VSET - R6 P1
U2 TS - R5 P1
L1 P2 - IC1 VOS
U2 BAT_2 - C4 P1
R3
Resistance
1.18kΩ
J3 SHIELD__3 - J2 2
J3 SHIELD__3 - J2 2
J3 SHIELD__3 - J2 2
R2
Resistance
5.1kΩ
J3 SHIELD__3 - J2 2
R4
Resistance
1.13kΩ
J3 SHIELD__3 - J2 2
J3 SHIELD__3 - J2 2
R6
Resistance
523kΩ
R1
Resistance
5.1kΩ
J3 SHIELD__3 - J2 2
J3 SHIELD__3 - J2 2
J3 SHIELD__3 - J2 2
J3 SHIELD__3 - J2 2
J3 SHIELD__3 - J2 2
R5
Resistance
10kΩ
J3 SHIELD__3 - J2 2
L1
Inductance
2.2uH
C5
Capacitance
4.7uF
C4
Capacitance
4.7uF
C3
Capacitance
4.7uF
C6
Capacitance
10uF
C2
Capacitance
1uF
C1
Capacitance
10uF
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ESP32-S3 Module Integration

ESP32-S3 Module Integration thumbnail
Integration baseline for an Espressif ESP32-S3-WROOM-1-N16R8 module with integrated PCB antenna, native USB, 16MB flash, and 8MB PSRAM. This project currently documents selection constraints, power and boot requirements, RF keepout expectations, and acceptance criteria for later schematic and PCB implementation.

Properties

16MB Flash + 8MB PSRAM

SMD module 25.5mm x 18.0mm

3.3V

General-purpose digital I/O plus native USB; reserve boot/programming pins and avoid loading strapping pins during reset.

Wi-Fi + Bluetooth MCU Module

ESP32-S3-WROOM-1-N16R8

Power path: USB-C VBUS -> BQ24075 IN, LiPo JST -> BQ24075 BAT, BQ24075 OUT/SYS -> TPS62840 VIN, TPS62840 -> 3V3 rail. CC1/CC2 each use 5.1k Rd to GND. Payload output uses low-side NMOS switching with flyback diode across the external inductive load; diode cathode to +BAT_RAW and anode to 15W_PAYLOAD.

Native USB or UART programming interface

Use integrated antenna module only; no copper, traces, or ground pour under antenna keepout; place module at board edge for RF clearance; provide EN reset path, BOOT path on GPIO0, solid ground reference outside antenna zone, and accessible USB D+/D- or UART0 programming interface.

Espressif Systems

2.4GHz Wi-Fi 802.11 b/g/n and Bluetooth 5 LE via integrated PCB antenna

USB-C 5V input and single-cell 3.7V LiPo battery with BQ24075 charger/power-path feeding TPS62840 3.3V buck rail for ESP32-S3 and future sensors

Pricing & Availability

Distributor

Qty 1

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