# Step 20: Fields

the fields on the board: adom-fields solves the current density of every loaded net, the heat flow in each copper layer with the vias, and the temperature over the board; the AI reads the issues and walks the board in the app on camera

## Visits

- 2026-10-23T18:29:23Z
- 2026-10-24T16:56:05Z

## What the binary checked

### tour-fields

- **chips**: 4 item(s)
- **heat**: budgetC 45.0; jouleW 0.035; movingAirWPerM2K 25.0; peakRiseC 42.01913070678711; peakRiseMovingC 25.38698959350586; sourcesModelled 4; status parts modelled; stillAirWPerM2K 10.0
- **issues**: 38 item(s)
- **nets**: 6 item(s)

## Screenshots and drawings

**fields-start**

![fields-start](shot-fields-2-fields-start.png)

**fields-end**

![fields-end](shot-fields-2-fields-end.png)

## Clips

::adom-video{video="/matt/fan-controller/render/docs/clips/window-18621596-20261024-165649-10x.mp4" title="Fields, visit 2 (10x)" muted="true"}