# ESP32-S3-WROOM-1 Reference Design r9CX ## Description This project is a reference project for ESP32-S3-WROOM-1 to develop your IoT ideas. The board has 3 LEDs, USB C for firmware, EN and BOOT buttons, and 2 IO connectors for development #IoT #WiFi #MCU #RF #ESP32 #project #referenceDesign #simple-embedded #espressif #template #reference-design ## Project Details - **Owner:** praveenvijayan - **Created:** 9/12/2024 - **Last Updated:** 9/12/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### U1 — [BOB-12009](https://www.flux.ai/jecstronic/bob-12009.md) - Manufacturer Part Number: BOB-12009 - Part Type: Development Board - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/1854/Bi-Directional-Logic-Level_HookupGuide.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: SparkFun Electronics **Pins:** - GND [pin GND_2] - GND [pin GND_1] - HV [pin HV] - HV1 [pin HV1] - HV2 [pin HV2] - HV3 [pin HV3] - HV4 [pin HV4] - LV [pin LV] - LV1 [pin LV1] - LV2 [pin LV2] - LV3 [pin LV3] - LV4 [pin LV4] ### U2 — [SparkFun Analog/Digital MUX Breakout - CD74HC4067](https://www.flux.ai/vasyl/sparkfun-analogdigital-mux-breakout-cd74hc4067.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Sparkfun%20PDFs/BOB-09056_Web.pdf - Manufacturer Name: SparkFun - Part Type: MUX - Manufacturer Part Number: BOB-09056 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - C0 [pin 1] - C1 [pin 2] - C10 [pin 11] - C11 [pin 12] - C12 [pin 14] - C13 [pin 15] - C14 [pin 16] - C15 [pin 17] - C2 [pin 3] - C3 [pin 4] - C4 [pin 5] - C5 [pin 6] - C6 [pin 7] - C7 [pin 8] - C8 [pin 9] - C9 [pin 10] - EN [pin 20] - GND [pin 18] - S0 [pin 21] - S1 [pin 22] - S2 [pin 23] - S3 [pin 24] - SIG [pin 25] - VCC [pin 19] ### U3 — [ESP32-DEVKIT-V1](https://www.flux.ai/jharwinbarrozo/esp32-devkit-v1.md) - Symbol Style: Parametric - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf - Manufacturer Part Number: ESP32-DEVKIT-V1 - Manufacturer Name: Espressif Systems - Part Type: Module **Pins:** - 3V3 [pin 1] - D12 [pin 27] - D13 [pin 28] - D14 [pin 26] - D15 [pin 3] - D18 [pin 9] - D19 [pin 10] - D2 [pin 4] - D21 [pin 11] - D22 [pin 14] - D23 [pin 15] - D25 [pin 23] - D26 [pin 24] - D27 [pin 25] - D32 [pin 21] - D33 [pin 22] - D34 [pin 19] - D35 [pin 20] - D4 [pin 5] - D5 [pin 8] - EN [pin 16] - GND [pin 2] - GND_1 [pin 29] - RX0 [pin 12] - RX2 [pin 6] - TX0 [pin 13] - TX2 [pin 7] - VIN [pin 30] - VN [pin 18] - VP [pin 17] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/praveenvijayan/esp32-s3-wroom-1-reference-design-r9cx](https://www.flux.ai/praveenvijayan/esp32-s3-wroom-1-reference-design-r9cx).* --- *Generated from [https://www.flux.ai/praveenvijayan/esp32-s3-wroom-1-reference-design-r9cx](https://www.flux.ai/praveenvijayan/esp32-s3-wroom-1-reference-design-r9cx)*