# ESPRSSO32 Smart Scale AI Auto Layout [Example] ## Description ESPRSSO32 Smart Scale — ESP32-C3 Module AI Auto-Layout Example. ## Project Details - **Owner:** natarius - **Created:** 1/19/2025 - **Last Updated:** 2/20/2026 - **Visibility:** Public - **Manufacturer Name:** Espressif - **Vendor family constraint:** a) Must stay in the ESP32‑C3 family only (Espressif vendor, RISC‑V C3 core) - **Forks:** 2 - **Copies:** 1 ## Key Components ### IC1 — [ESP32-C3FH4 (no gnd vias)](https://www.flux.ai/ryanf/esp32-c3fh4-no-gnd-vias~lqh.md) - Manufacturer Name: TI - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2312201733_Espressif-Systems-ESP32-C3_C2838500.pdf - Part Type: Integrated Circuit - 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 - Part Type: Connector - Manufacturer Name: Wayne Enterprises - Manufacturer Part Number: MSD-4-A - 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) - Part Type: Connector - Manufacturer Name: Würth Elektronik - 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~vm.md) - Part Type: Connector - Manufacturer Part Number: 0532610471 - Manufacturer Name: Molex **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) - 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 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~7y.md) - Manufacturer Name: Nuvoton Technology Corporation - Operating Voltage: 5V - Manufacturer Part Number: NAU7802SGI - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ **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) - Datasheet URL: https://www.mouser.com/datasheet/2/308/1/NCP176_D-2316728.pdf - Manufacturer Part Number: NCP176BMX330TCG - Part Type: Linear Voltage Regulator - Package or Case Code: XDFN6 - Manufacturer Name: onsemi **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 - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps62130a.pdf?ts=1716649051225&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS62130A - Manufacturer Name: Texas Instruments - Part Type: Switching Regulator - License: https://creativecommons.org/licenses/by/4.0/ - 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] ### Y1 — 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 - Manufacturer Part Number: RH100-40.000-18-F-2030-EXT-TR-NS1 - 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) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Antenna - Datasheet URL: https://www.snapeda.com/parts/2450AT18B100E/Johanson%20Technology/datasheet/ - Manufacturer Name: Johanson Technology - Manufacturer Part Number: 2450AT18B100E **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/natarius/esprsso32-smart-scale-ai-auto-layout-example~90](https://www.flux.ai/natarius/esprsso32-smart-scale-ai-auto-layout-example~90).* --- *Generated from [https://www.flux.ai/natarius/esprsso32-smart-scale-ai-auto-layout-example~90](https://www.flux.ai/natarius/esprsso32-smart-scale-ai-auto-layout-example~90)*