# ESPRSSO32 Smart Scale AI Auto Layout [Example] h86N 2ihL ## 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:** jeffwilde - **Created:** 2/18/2026 - **Last Updated:** 2/18/2026 - **Visibility:** Public ## Key Components ### IC1 — [ESP32-C3FH4 (no gnd vias)](https://www.flux.ai/ryanf/esp32-c3fh4-no-gnd-vias.md) - Part Type: Integrated Circuit - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2312201733_Espressif-Systems-ESP32-C3_C2838500.pdf - Manufacturer Part Number: ESP32-C3 **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 - Datasheet URL: https://www.cuidevices.com/product/resource/msd-4-a.pdf - Part Type: Connector - Manufacturer Part Number: MSD-4-A - Manufacturer Name: CUI Devices **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) - Part Type: Connector - Datasheet URL: https://www.we-online.com/katalog/datasheet/694101308002.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Würth Elektronik **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 - Manufacturer Part Number: 0532610471 - Part Type: Connector **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) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **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 Name: Foootprint Fitz Industries - Manufacturer Part Number: R0707 **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) - Manufacturer Name: Nuvoton Technology Corporation - Manufacturer Part Number: NAU7802SGI - Datasheet URL: https://www.nuvoton.com/export/resource-files/NAU7802%20Data%20Sheet%20V1.7.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit **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) - Manufacturer Part Number: NCP176BMX330TCG - Datasheet URL: https://www.mouser.com/datasheet/2/308/1/NCP176_D-2316728.pdf - Part Type: Linear Voltage Regulator - Manufacturer Name: onsemi - 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 Part Number: TPS62130ARGTR - 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 - Part Type: Switching Regulator - Package or Case Code: QFN50P300X300X50-17N - License: https://creativecommons.org/licenses/by/4.0/ **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] ### Y1 — RH100-40.000-18-F-2030-EXT-TR-NS1 - Frequency: 40MHz - Manufacturer Part Number: RH100-40.000-18-F-2030-EXT-TR-NS1 - Part Type: Oscillator - Manufacturer Name: Raltron Electronics - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6146/RH100-40.000-18-F-2030-EXT-TR-NS1.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### Y2 — [2450AT18B100E](https://www.flux.ai/jecstronic/2450at18b100e.md) - Part Type: Antenna - Manufacturer Name: Johanson Technology - Manufacturer Part Number: 2450AT18B100E - Datasheet URL: https://www.snapeda.com/parts/2450AT18B100E/Johanson%20Technology/datasheet/ - License: https://creativecommons.org/licenses/by/4.0/ **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/jeffwilde/esprsso32-smart-scale-ai-auto-layout-example-h86n-2ihl](https://www.flux.ai/jeffwilde/esprsso32-smart-scale-ai-auto-layout-example-h86n-2ihl).* --- *Generated from [https://www.flux.ai/jeffwilde/esprsso32-smart-scale-ai-auto-layout-example-h86n-2ihl](https://www.flux.ai/jeffwilde/esprsso32-smart-scale-ai-auto-layout-example-h86n-2ihl)*