# ESPRSSO32 Smart Scale ## Description ESP32-C3 Espresso Smart Scale ## Project Details - **Owner:** ryanf - **Created:** 11/1/2024 - **Last Updated:** 11/15/2024 - **Visibility:** Public - **Stars:** 1 - **Forks:** 1 - **Copies:** 4 ## Key Components ### ANT1 — Texas Instruments 2.4 GHz Inverted F Antenna Copper Only - Design Company: Texas Instruments - Antenna: Inverted F Antenna - Application Note: https://www.ti.com/lit/an/swru120d/swru120d.pdf?ts=1721933214057&ref_url=https%253A%252F%252Fwww.google.com%252F - Antenna Frequency: 2.4GHz **Pins:** - Antenna_Left - Antenna_Right - GND - GND - IN ### IC1 — [ESP32-C3FH4](https://www.flux.ai/vasyl/esp32-c3fh4~a4m.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf - Part Type: Integrated Circuit - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-C3 **Pins:** - CHIP_EN - GND - GPIO10 - GPIO18 - GPIO19 - GPIO2 - GPIO3 - GPIO8 - GPIO9 - LNA_IN - MTCK - MTDI - MTDO - MTMS - SPICLK - SPICS0 - SPID - SPIHD - SPIQ - SPIWP - U0RXD - U0TXD - VDD_SPI - VDD3P3 - VDD3P3__1 - VDD3P3_CPU - VDD3P3_RTC - VDDA - VDDA__1 - XTAL_32K_N - XTAL_32K_P - XTAL_N - XTAL_P ### 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 — [PJ-102B](https://www.flux.ai/jecstronic/pj-102b~lec.md) - Manufacturer Part Number: PJ-102B - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: CUI Devices - Part Type: Connector - Datasheet URL: https://www.cuidevices.com/product/resource/pj-102b.pdf **Pins:** - ~ [pin 3] - ~ [pin 1] - ~ [pin 2] ### J3 — [0532610471](https://www.flux.ai/vasyl/0532610471~vm.md) - Manufacturer Name: Molex - Part Type: Connector - Datasheet URL: https://www.molex.com/pdm_docs/sd/532610471_sd.pdf - 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~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 Name: Foootprint Fitz Industries - Manufacturer Part Number: R0707 **Pins:** - TP [pin 1] ### PP3V3 — 1.5 mm Test Pad - Manufacturer Name: Foootprint Fitz Industries - Manufacturer Part Number: R0707 **Pins:** - TP [pin 1] ### PP5V0 — 1.5 mm Test Pad - Manufacturer Part Number: R0707 - Manufacturer Name: Foootprint Fitz Industries **Pins:** - TP [pin 1] ### TP6 — 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 Part Number: NAU7802SGI - Part Type: Integrated Circuit - Manufacturer Name: Nuvoton Technology Corporation - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.nuvoton.com/export/resource-files/NAU7802%20Data%20Sheet%20V1.7.pdf **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) - Part Type: Linear Voltage Regulator - Manufacturer Name: onsemi - Manufacturer Part Number: NCP176BMX330TCG - Datasheet URL: https://cdn2.flux.ai/copilot-datasheets/pdf-upload-79a48f9a9938de43ee56040a814f0eb9e17c91ca0068de44d9b74fded9715a35/44c98bb18ac6f0d3bc4c9ebd1d542dcdd5b57c6ec42d8031d90f20b05e5ab3b4.pdf?GoogleAccessId=graviton-mvp%40appspot.gserviceaccount.com&Expires=4874084547&Signature=SVuGm0iASut0ewYRiIQumVmk0EzLg4pBf6r73EhaIcA1sn%2FRON95DhdEjD09G%2BHYC9C3wAjaXJKj4%2BOAh93FWSbEvRG7Y06l0Ge%2FG93fFS2%2FlU9Ol%2FTVK1ZwBrhgqk%2FKEc%2F7CW1CzfYo0JK4qBna7KsjGs3KIEXzrGE2HscZB7oGWcl%2BAsSCfqPLEYyJP1fqw%2FDRtmOYz8iFfIwKQQ%2FMXHF9o4NSKc6HhH7dZSHltk007tzwLVjB7qq35tT5QTDWsfoP0Wi2JgwnTeZDjR8qovAwBJwlXIlgajszn8pORw5gScHVkMb3SRbXrrRDWYgmr8y04y0dwJbkwZhUMBUSxA%3D%3D - 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] ### 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 - Part Type: Oscillator - Manufacturer Name: Raltron Electronics - Manufacturer Part Number: RH100-40.000-18-F-2030-EXT-TR-NS1 - Frequency: 40MHz **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/ryanf/esprsso32-smart-scale~l58](https://www.flux.ai/ryanf/esprsso32-smart-scale~l58).* --- *Generated from [https://www.flux.ai/ryanf/esprsso32-smart-scale~l58](https://www.flux.ai/ryanf/esprsso32-smart-scale~l58)*