# 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:** berno420 - **Created:** 6/28/2025 - **Last Updated:** 6/28/2025 - **Visibility:** Public ## Key Components ### IC1 — [ESP32-C3FH4 (no gnd vias)](https://www.flux.ai/ryanf/esp32-c3fh4-no-gnd-vias~lqh.md) - Manufacturer Part Number: ESP32-C3 - Part Type: Integrated Circuit - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2312201733_Espressif-Systems-ESP32-C3_C2838500.pdf - Manufacturer Name: Espressif Systems **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 - Manufacturer Name: CUI Devices - Part Type: Connector - Datasheet URL: https://www.cuidevices.com/product/resource/msd-4-a.pdf **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/694101308002~8fo.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://www.we-online.com/katalog/datasheet/694101308002.pdf - Manufacturer Name: Würth Elektronik **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J3 — [0532610471](https://www.flux.ai/vasyl/0532610471~vm.md) - Manufacturer Name: Molex - Part Type: Connector - Manufacturer Part Number: 0532610471 - Datasheet URL: https://www.molex.com/pdm_docs/sd/532610471_sd.pdf **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~cp4.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~cp4.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 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~7y.md) - Datasheet URL: https://www.nuvoton.com/export/resource-files/NAU7802%20Data%20Sheet%20V1.7.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Nuvoton Technology Corporation - Part Type: Integrated Circuit - 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~l72.md) - Manufacturer Part Number: NCP176BMX330TCG - Package or Case Code: XDFN6 - Datasheet URL: https://www.mouser.com/datasheet/2/308/1/NCP176_D-2316728.pdf - Manufacturer Name: onsemi - Part Type: Linear Voltage Regulator **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~8k9.md) - Package or Case Code: QFN50P300X300X50-17N - Part Type: Switching Regulator - License: https://creativecommons.org/licenses/by/4.0/ - 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 - Manufacturer Part Number: TPS62130ARGTR **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] ### U4 — [ADS1294IPAGR](https://www.flux.ai/lcsc/ads1294ipagr~q8vk.md) - JLCPCB Part Class: Extended Part - LCSC Part Number: C2651610 - Manufacturer Part Number: ADS1294IPAGR - Package or Case Code: TQFP-64_L10.0-W10.0-P0.50-LS12.0-BL - Manufacturer Name: TI(德州仪器) **Pins:** - ~{CS} [pin 39] - ~{DRDY} [pin 47] - ~{PWDN} [pin 35] - ~{RESET} [pin 36] - AVDD [pin 22] - AVDD [pin 19] - AVDD [pin 21] - AVDD [pin 56] - AVDD [pin 59] - AVDD1 [pin 54] - AVSS [pin 23] - AVSS [pin 32] - AVSS [pin 57] - AVSS [pin 20] - AVSS [pin 58] - AVSS1 [pin 53] - CLK [pin 37] - CLKSEL [pin 52] - DAISY_IN [pin 41] - DGND [pin 49] - DGND [pin 33] - DGND [pin 51] - DIN [pin 34] - DOUT [pin 43] - DVDD [pin 50] - DVDD [pin 48] - GPIO1 [pin 42] - GPIO2 [pin 44] - GPIO3 [pin 45] - GPIO4 [pin 46] - IN1N [pin 15] - IN1P [pin 16] - IN2N [pin 13] - IN2P [pin 14] - IN3N [pin 11] - IN3P [pin 12] - IN4N [pin 9] - IN4P [pin 10] - IN5N [pin 7] - IN5P [pin 8] - IN6N [pin 5] - IN6P [pin 6] - IN7N [pin 3] - IN7P [pin 4] - IN8N [pin 1] - IN8P [pin 2] - NC [pin 27] - NC [pin 29] - RESV1 [pin 31] - RLDIN [pin 62] - RLDINV [pin 61] - RLDOUT [pin 63] - RLDREF [pin 60] - SCLK [pin 40] - START [pin 38] - TESTN_PACE_OUT2 [pin 18] - TESTP_PACE_OUT1 [pin 17] - VCAP1 [pin 28] - VCAP2 [pin 30] - VCAP3 [pin 55] - VCAP4 [pin 26] - VREFN [pin 25] - VREFP [pin 24] - WCT [pin 64] ### Y1 — RH100-40.000-18-F-2030-EXT-TR-NS1 - Manufacturer Part Number: RH100-40.000-18-F-2030-EXT-TR-NS1 - Manufacturer Name: Raltron Electronics - Frequency: 40MHz - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6146/RH100-40.000-18-F-2030-EXT-TR-NS1.pdf - Part Type: Oscillator **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### Y2 — [2450AT18B100E](https://www.flux.ai/jecstronic/2450at18b100e~oki.md) - Part Type: Antenna - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Johanson Technology - Manufacturer Part Number: 2450AT18B100E - Datasheet URL: https://www.snapeda.com/parts/2450AT18B100E/Johanson%20Technology/datasheet/ **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/berno420/esprsso32-smart-scale-ai-auto-layout-example~56](https://www.flux.ai/berno420/esprsso32-smart-scale-ai-auto-layout-example~56).* --- *Generated from [https://www.flux.ai/berno420/esprsso32-smart-scale-ai-auto-layout-example~56](https://www.flux.ai/berno420/esprsso32-smart-scale-ai-auto-layout-example~56)*