# ESPRSSO32 Smart Scale AI Auto Layout [Power Prompt 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:** ryanf - **Created:** 2/5/2026 - **Last Updated:** 2/10/2026 - **Visibility:** Public - **Copies:** 2 ## Key Components ### IC1 — [ESP32-C3FH4 (no gnd vias)](https://www.flux.ai/ryanf/esp32-c3fh4-no-gnd-vias.md) - Part Type: Integrated Circuit - Manufacturer Part Number: ESP32-C3 - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2312201733_Espressif-Systems-ESP32-C3_C2838500.pdf **Pins:** - CHIP_EN [pin 7] - GND [pin 33] - GPIO10 [pin 16] - GPIO18 [pin 25] - GPIO19 [pin 26] - GPIO2 [pin 6] - GPIO3 [pin 8] - GPIO8 [pin 14] - GPIO9 [pin 15] - LNA_IN [pin 1] - MTCK [pin 12] - MTDI [pin 10] - MTDO [pin 13] - MTMS [pin 9] - SPICLK [pin 22] - SPICS0 [pin 21] - SPID [pin 23] - SPIHD [pin 19] - SPIQ [pin 24] - SPIWP [pin 20] - U0RXD [pin 27] - U0TXD [pin 28] - VDD_SPI [pin 18] - VDD3P3 [pin 2] - VDD3P3__1 [pin 3] - VDD3P3_CPU [pin 17] - VDD3P3_RTC [pin 11] - VDDA [pin 31] - VDDA__1 [pin 32] - XTAL_32K_N [pin 5] - XTAL_32K_P [pin 4] - XTAL_N [pin 29] - XTAL_P [pin 30] ### J1 — MSD-4-A - Manufacturer Part Number: MSD-4-A - Datasheet URL: https://www.cuidevices.com/product/resource/msd-4-a.pdf - Manufacturer Name: CUI Devices - Part Type: Connector **Pins:** - CD [pin CD1] - CD/DAT3 [pin 2] - CLX [pin 5] - CMD [pin 3] - DAT0 [pin 7] - DAT1 [pin 8] - DAT2 [pin 1] - G1 [pin G1] - G2 [pin G2] - G3 [pin G3] - G4 [pin G4] - VDD [pin 4] - VSS [pin 6] ### J2 — [694101308002](https://www.flux.ai/jecstronic/694101308002.md) - Manufacturer Name: Würth Elektronik - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.we-online.com/katalog/datasheet/694101308002.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J3 — [0532610471](https://www.flux.ai/vasyl/0532610471.md) - Manufacturer Name: Molex - Datasheet URL: https://www.molex.com/pdm_docs/sd/532610471_sd.pdf - Part Type: Connector - Manufacturer Part Number: 0532610471 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - SHIELD [pin S1] - SHIELD__1 [pin S2] ### J4 — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J5 — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### MCU_BOOT — 1.5 mm Test Pad - Manufacturer Part Number: R0707 - Manufacturer Name: Foootprint Fitz Industries **Pins:** - TP [pin 1] ### MCU_RXD — 1.5 mm Test Pad - Manufacturer Part Number: R0707 - Manufacturer Name: Foootprint Fitz Industries **Pins:** - TP [pin 1] ### MCU_TXD — 1.5 mm Test Pad - Manufacturer Part Number: R0707 - Manufacturer Name: Foootprint Fitz Industries **Pins:** - TP [pin 1] ### U1 — [NAU7802SGI](https://www.flux.ai/ryanf/nau7802sgi.md) - Datasheet URL: https://www.nuvoton.com/export/resource-files/NAU7802%20Data%20Sheet%20V1.7.pdf - Manufacturer Name: Nuvoton Technology Corporation - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: NAU7802SGI **Pins:** - AVDD/LDO [pin 16] - AVSS [pin 8] - DRDY [pin 12] - DVDD [pin 15] - DVSS [pin 9] - R-EFN [pin 7] - R-EFP [pin 1] - SCLK [pin 13] - SDIO [pin 14] - VBG [pin 6] - VIN1N [pin 2] - VIN1P [pin 3] - VIN2N [pin 4] - VIN2P [pin 5] - XIN [pin 10] - XOUT [pin 11] ### U2 — [NCP176BMX330TCG](https://www.flux.ai/ryanf/ncp176bmx330tcg.md) - Role Details: 3.3V LDO from PP5V0 with EN from PG_PP5V0 - Part Type: Linear Voltage Regulator - Manufacturer Part Number: NCP176AMX330TCG - Manufacturer Name: onsemi - Role: Regulator - Datasheet URL: https://www.onsemi.com/pdf/datasheet/ncp176-d.pdf - Package or Case Code: XDFN6 **Pins:** - EN [pin 4] - FB [pin 2] - GND [pin 3] - IN [pin 6] - N/C [pin 5] - OUT [pin 1] ### U3 — [TPS62130ARGTR](https://www.flux.ai/ryanf/tps62130argtr.md) - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps62130a.pdf?ts=1716649051225&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS62130A - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switching Regulator - Manufacturer Part Number: TPS62130ARGTR - Package or Case Code: QFN50P300X300X50-17N **Pins:** - AGND [pin 6] - AGND [pin 17] - AVIN [pin 10] - DEF [pin 8] - EN [pin 13] - FB [pin 5] - FSW [pin 7] - PG [pin 4] - PGND [pin 16] - PGND [pin 15] - PVIN [pin 12] - PVIN [pin 11] - SS/TR [pin 9] - SW [pin 2] - SW [pin 3] - SW [pin 1] - VOS [pin 14] ### U5 — [NCP176AMX330TCG](https://www.flux.ai/lcsc/ncp176amx330tcg.md) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: NCP176AMX330TCG - Part Type: Linear Voltage Regulators (LDO) - Package: XDFN6 - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/ncp176-d.pdf - Product Info Url: https://lcsc.com/product-detail/Low-Dropout-Regulators-LDO_ON-Semicon_NCP176AMX330TCG_ON-Semicon-ON-NCP176AMX330TCG_C233363.html - Role: Regulator - LCSC Part Number: C233363 - Role Details: 3.3V LDO from PP5V0 with EN from PG_PP5V0 - Package or Case Code: XDFN-6_L1.2-W1.2-P0.40-BL-EP **Pins:** - EN [pin 4] - FB [pin 2] - GND [pin 7] - GND [pin 3] - IN [pin 6] - N/C [pin 5] - OUT [pin 1] ### Y1 — RH100-40.000-18-F-2030-EXT-TR-NS1 - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6146/RH100-40.000-18-F-2030-EXT-TR-NS1.pdf - Manufacturer Part Number: RH100-40.000-18-F-2030-EXT-TR-NS1 - Part Type: Oscillator - Frequency: 40MHz - Manufacturer Name: Raltron Electronics **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### Y2 — [2450AT18B100E](https://www.flux.ai/jecstronic/2450at18b100e.md) - Manufacturer Part Number: 2450AT18B100E - Manufacturer Name: Johanson Technology - Datasheet URL: https://www.snapeda.com/parts/2450AT18B100E/Johanson%20Technology/datasheet/ - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Antenna **Pins:** - 1 [pin 1] - 2 [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/ryanf/esprsso32-smart-scale-ai-auto-layout-power-prompt-example](https://www.flux.ai/ryanf/esprsso32-smart-scale-ai-auto-layout-power-prompt-example).* --- *Generated from [https://www.flux.ai/ryanf/esprsso32-smart-scale-ai-auto-layout-power-prompt-example](https://www.flux.ai/ryanf/esprsso32-smart-scale-ai-auto-layout-power-prompt-example)*