# 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:** davcavas - **Created:** 7/19/2025 - **Last Updated:** 7/19/2025 - **Visibility:** Public ## Key Components ### U1 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d~7py.md) - Part Type: Microcontroller - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf - Manufacturer Part Number: ESP32-WROOM-32D - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - GND [pin 1] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC [pin 32] - RXD0 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] ### U2 — [A4988_STEPPER_MOTOR](https://www.flux.ai/jecstronic/a4988steppermotor~0x9.md) - Manufacturer Part Number: A4988_STEPPER_MOTOR_DRIVER_CARRIER - Part Type: module - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~ENABLE [pin 1] - ~RESET [pin 5] - ~SLEEP [pin 6] - 1A [pin 12] - 1B [pin 11] - 2A [pin 13] - 2B [pin 14] - DIR [pin 8] - GND [pin 9] - GND [pin 15] - MS1 [pin 2] - MS2 [pin 3] - MS3 [pin 4] - STEP [pin 7] - VDD [pin 10] - VMOT [pin 16] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/davcavas/esprsso32-smart-scale-ai-auto-layout-example~3u](https://www.flux.ai/davcavas/esprsso32-smart-scale-ai-auto-layout-example~3u).* --- *Generated from [https://www.flux.ai/davcavas/esprsso32-smart-scale-ai-auto-layout-example~3u](https://www.flux.ai/davcavas/esprsso32-smart-scale-ai-auto-layout-example~3u)*