# ESPRSSO32 Smart Scale AI Auto Layout [Example] ## Description Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time! ## Project Details - **Owner:** duffharris - **Created:** 2/5/2025 - **Last Updated:** 2/5/2025 - **Visibility:** Public ## Key Components ### Q1 — [2N3904TFR](https://www.flux.ai/adrian95/2n3904tfr.md) - Part Type: Transistor - Manufacturer Part Number: 2N3904TFR - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/pzt3904-d.pdf **Pins:** - B [pin 2] - C [pin 1] - E [pin 3] ### Q2 — [2N3904TFR](https://www.flux.ai/adrian95/2n3904tfr.md) - Manufacturer Name: onsemi - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.onsemi.com/pdf/datasheet/pzt3904-d.pdf - Part Type: Transistor - Manufacturer Part Number: 2N3904TFR **Pins:** - B [pin 2] - C [pin 1] - E [pin 3] ### Q3 — [2N3904TFR](https://www.flux.ai/adrian95/2n3904tfr.md) - Manufacturer Part Number: 2N3904TFR - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/pzt3904-d.pdf **Pins:** - B [pin 2] - C [pin 1] - E [pin 3] ### T1 — [Step Up Transformer](https://www.flux.ai/jharwinbarrozo/step-up-transformer.md) - Ratio: 2 - Coupling Coefficient: 0.99 - Primary Inductance: 4H **Pins:** - P1 - P2 - S1 - S2 ### T2 — [Step Up Transformer](https://www.flux.ai/jharwinbarrozo/step-up-transformer.md) - Primary Inductance: 4H - Coupling Coefficient: 0.99 - Ratio: 2 **Pins:** - P1 - P2 - S1 - S2 ### V1 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply.md) - Voltage: 5V **Pins:** - ANODE - CATHODE ### X1 — [Crystal Oscillator](https://www.flux.ai/jharwinbarrozo/crystal-oscillator.md) - Frequency: 10MHz - Part Type: Oscillator **Pins:** - P1 - P2 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/duffharris/esprsso32-smart-scale-ai-auto-layout-example](https://www.flux.ai/duffharris/esprsso32-smart-scale-ai-auto-layout-example).* --- *Generated from [https://www.flux.ai/duffharris/esprsso32-smart-scale-ai-auto-layout-example](https://www.flux.ai/duffharris/esprsso32-smart-scale-ai-auto-layout-example)*