# 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

- 2026-10-18T22:44:57Z

## What the binary checked

### tour-fields

- **chips**: 2 item(s)
- **heat**: budgetC 55.0; jouleW 0.003; movingAirWPerM2K 25.0; peakRiseC 41.630340576171875; peakRiseMovingC 21.51791763305664; sourcesModelled 2; status parts modelled; stillAirWPerM2K 10.0
- **issues**: 6 item(s)
- **nets**: 4 item(s)

## Screenshots and drawings

**fields-start**

![fields-start](pub-shot-fields-1-fields-start.png)

**fields-end**

![fields-end](pub-shot-fields-1-fields-end.png)

## Clips

::adom-video{video="/john/tps54202-12v-5v-buck-20261018/render/docs/clips/pub-window-7997818-20261018-224547-10x.mp4" poster="/john/tps54202-12v-5v-buck-20261018/render/docs/clips/pub-window-7997818-20261018-224547-poster.jpg" title="Fields, visit 1 (10x)" muted="true"}

## AI usage (Google Antigravity)

5 model calls: 14,292 fresh input, 897,517 cached input and 1,579 output tokens.