# ESP32-WROOM-32E Reference Design ## Description This project is a reference design for an ESP32-WROOM-32E based device. It features USB-C for power and data transfer, onboard voltage regulation, and multiple peripheral connections. It also includes a CH340C for USB to serial conversion #referenceDesign #project #ESP32 #ESP32WROOM #RF #WIFI #MCU #referenceDesign #simple-embedded #espressif #template #reference-design ## Project Details - **Owner:** pedroberiotto - **Created:** 9/7/2024 - **Last Updated:** 9/7/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### K1 — [KY-019](https://www.flux.ai/vasyl/ky-019~t4.md) - Manufacturer Name: Keyes SR1 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Part Type: Relay Module - Manufacturer Part Number: KY-019 **Pins:** - COM [pin COM] - GND [pin A2] - NC [pin NC] - NO [pin NO] - Signal - VCC [pin A1] ### LED2 — [CTL1206FYW1T](https://www.flux.ai/jharwinbarrozo/ctl1206fyw1t~cql.md) - Datasheet URL: https://page.venkel.com/hubfs/Resources/Datasheets/LEDs/CTL1206FYW1T.pdf - Manufacturer Name: Venkel - Part Type: LED - Manufacturer Part Number: CTL1206FYW1T - Forward Voltage: 1.70V **Pins:** - A [pin 2] - K [pin 1] ### U1 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d~7py.md) - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-WROOM-32D - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Microcontroller - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - GND [pin 1] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC [pin 32] - RXD0 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] ### U2 — [DHT11](https://www.flux.ai/vasyl/dht11~e2.md) - Manufacturer Part Number: DHT11 - Part Type: Sensor - Datasheet URL: https://cdn-learn.adafruit.com/downloads/pdf/dht.pdf - Manufacturer Name: Adafruit Industries LLC **Pins:** - DATA [pin 2] - GND [pin 4] - NC [pin 3] - VDD [pin 1] ### US1 — [HC-SR04](https://www.flux.ai/vasy_skral/hc-sr04~afv.md) - Manufacturer Part Number: HC-SR04 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdf - Part Type: Sensor **Pins:** - ECHO [pin 3] - GND [pin 4] - TRIG [pin 2] - VCC [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/pedroberiotto/esp32-wroom-32e-reference-design~cs](https://www.flux.ai/pedroberiotto/esp32-wroom-32e-reference-design~cs).* --- *Generated from [https://www.flux.ai/pedroberiotto/esp32-wroom-32e-reference-design~cs](https://www.flux.ai/pedroberiotto/esp32-wroom-32e-reference-design~cs)*