# ESP32 smart scale V1.0 ## Description ESP32-C3-WROOM smart scale with HX711 ADC for Weigh Scales #ESP32 #HX711 #project ## Project Details - **Owner:** vasy_skral - **Created:** 11/24/2022 - **Last Updated:** 4/17/2023 - **Visibility:** Public - **Stars:** 5 - **Copies:** 4 ## Key Components ### BOOT — [1571563-8](https://www.flux.ai/vasy_skral/1571563-8~oj.md) - Manufacturer Part Number: 1571563-8 - Manufacturer Name: TE Connectivity ALCOSWITCH Switches - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1308111-1_SWITCHES_CORE_PROGRAM_CATALOG&DocType=CS&DocLang=English - Part Type: Switch **Pins:** - ~ - ~ - ~ - ~ ### D1 — [B5819W-TP](https://www.flux.ai/adrian95/b5819w-tp~0v0.md) - Manufacturer Part Number: B5819W-TP - Datasheet URL: https://www.mccsemi.com/pdf/Products/B5817W-B5819W(SOD-123).pdf - Part Type: Diode - Manufacturer Name: Micro Commercial Co **Pins:** - A - K ### D2 — [LESD5D5.0CT1G](https://www.flux.ai/vasy_skral/lesd5d50ct1g~po.md) - Manufacturer Part Number: LESD5D5.0CT1G - Manufacturer Name: LRC - Part Type: Diode - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_LRC-LESD5D5-0CT1G_C383211.pdf **Pins:** - A1 [pin 1] - A2 [pin 2] ### D3 — [LESD5D5.0CT1G](https://www.flux.ai/vasy_skral/lesd5d50ct1g~po.md) - Manufacturer Name: LRC - Manufacturer Part Number: LESD5D5.0CT1G - Part Type: Diode - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_LRC-LESD5D5-0CT1G_C383211.pdf **Pins:** - A1 [pin 1] - A2 [pin 2] ### D4 — [LESD5D5.0CT1G](https://www.flux.ai/vasy_skral/lesd5d50ct1g~po.md) - Manufacturer Part Number: LESD5D5.0CT1G - Manufacturer Name: LRC - Part Type: Diode - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_LRC-LESD5D5-0CT1G_C383211.pdf **Pins:** - A1 [pin 1] - A2 [pin 2] ### EN — [1571563-8](https://www.flux.ai/vasy_skral/1571563-8~oj.md) - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1308111-1_SWITCHES_CORE_PROGRAM_CATALOG&DocType=CS&DocLang=English - Part Type: Switch - Manufacturer Part Number: 1571563-8 - Manufacturer Name: TE Connectivity ALCOSWITCH Switches **Pins:** - ~ - ~ - ~ - ~ ### ESP1 — [ESP32-C3-WROOM-02-N4](https://www.flux.ai/vasy_skral/esp32-c3-wroom-02-n4~tqi.md) - Manufacturer Name: Espressif Systems - Part Type: Module - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-c3-wroom-02_datasheet_en.pdf - Manufacturer Part Number: ESP32-C3-WROOM-02-N4 **Pins:** - 3V3 [pin 1] - EN [pin 2] - GND [pin 19] - GND [pin 29] - GND [pin 28] - GND [pin 25] - GND [pin 33] - GND [pin 34] - GND [pin 35] - GND [pin 23] - GND [pin 39] - GND [pin 32] - GND [pin 37] - GND [pin 24] - GND [pin 27] - GND [pin 22] - GND [pin 36] - GND [pin 9] - GND [pin 31] - GND [pin 26] - GND [pin 21] - GND [pin 30] - GND [pin 20] - GND [pin 38] - IO0 [pin 18] - IO1 [pin 17] - IO10 [pin 10] - IO18 [pin 13] - IO19 [pin 14] - IO2 [pin 16] - IO3 [pin 15] - IO4 [pin 3] - IO5 [pin 4] - IO6 [pin 5] - IO7 [pin 6] - IO8 [pin 7] - IO9 [pin 8] - RXD [pin 11] - TXD [pin 12] ### J1 — [U253-051T-4BH89-F1B](https://www.flux.ai/vasy_skral/u253-051t-4bh89-f1b~pvb.md) - Manufacturer Name: XKB Connectivity - Part Type: Connector - Datasheet URL: https://datasheet.lcsc.com/lcsc/2110151630_XKB-Connectivity-U253-051T-4BH89-F1B_C319172.pdf - Manufacturer Part Number: U253-051T-4BH89-F1B **Pins:** - D- - D+ - GND - ID - S1 - S2 - S3 - S4 - S5 - S6 - VBUS ### J2 — [Connector 01x04 0.100](https://www.flux.ai/vasy_skral/connector-01x04-0100~go.md) - Part Type: Connector **Pins:** - 1 - 2 - 3 - 4 ### LED1 — [LTST-C19HE1WT](https://www.flux.ai/vasy_skral/ltst-c19he1wt~x5i.md) - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS22-2008-0044/LTST-C19HE1WT.pdf - Manufacturer Name: Lite-On Inc. - Manufacturer Part Number: LTST-C19HE1WT - Part Type: LED **Pins:** - A - B - G - R ### Q1 — [MMBT4403](https://www.flux.ai/adrian95/mmbt4403~nvf.md) - Manufacturer Name: onsemi - Manufacturer Part Number: MMBT4403 - Datasheet URL: https://www.snapeda.com/parts/MMBT4403/ON%20Semiconductor/datasheet/ - Part Type: Transistor **Pins:** - B - C - E ### U1 — [HX711](https://www.flux.ai/adrian95/hx711~8y6.md) - Manufacturer Part Number: HX711 - Part Type: Integrated Circuit - Datasheet URL: https://www.snapeda.com/parts/HX711/AVIA%20SEMICONDUCTOR/datasheet/ - Manufacturer Name: Avia Semiconductor **Pins:** - AGND - AVDD - BASE - DOUT - DVDD - INA- - INA+ - INB- - INB+ - PD_SCK - RATE - VBG - VFB - VSUP - XI - XO ### U2 — [AP2112K-3.3TRG1](https://www.flux.ai/vasyl/ap2112k-33trg1~qk.md) - Manufacturer Name: Diodes Incorporated - Part Type: Integrated Circuit - Manufacturer Part Number: AP2112K-3.3TRG1 - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP2112.pdf **Pins:** - EN [pin 3] - GND [pin 2] - VIN [pin 1] - VOUT [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/esp32-smart-scale-v10~uh](https://www.flux.ai/vasy_skral/esp32-smart-scale-v10~uh).* --- *Generated from [https://www.flux.ai/vasy_skral/esp32-smart-scale-v10~uh](https://www.flux.ai/vasy_skral/esp32-smart-scale-v10~uh)*