# 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 #simpleEmbedded #espressif #template ## Project Details - **Owner:** voidimpetu - **Created:** 12/5/2024 - **Last Updated:** 12/6/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### AD8232 — [AD8230](https://www.flux.ai/vasyl/ad8230~bsx.md) - Part Type: Integrated Circuit - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/AD8230.pdf - Manufacturer Part Number: AD8230 - Manufacturer Name: Analog Devices Inc. **Pins:** - - [pin 5] - + [pin 4] - ~ [pin 8] - Rg [pin 7] - V- [pin 1] - V+ [pin 2] - Vr1 [pin 3] - Vr2 [pin 6] ### BH1780 — [BH1780GLI-E2](https://www.flux.ai/lcsc/bh1780gli-e2~cjxr.md) - Part Type: Ambient Light Sensors - Manufacturer Name: ROHM(罗姆) - Package or Case Code: WLGA-4_L2.0-W2.0-P1.20-BL - Product Info Url: https://lcsc.com/product-detail/_ROHM-Semicon_BH1780GLI-E2_ROHM-Semicon-BH1780GLI-E2_C308606.html - JLCPCB Part Class: Extended Part - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1912111437_ROHM-Semicon-BH1780GLI-E2_C308606.pdf - Manufacturer Part Number: BH1780GLI-E2 - LCSC Part Number: C308606 **Pins:** - GND [pin 2] - SCL [pin 4] - SDA [pin 3] - VCC [pin 1] ### DHT22 — [DHT22-AM2302 Sensor Module](https://www.flux.ai/adrian95/dht22-am2302-sensor-module~8tv.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn-shop.adafruit.com/datasheets/Digital+humidity+and+temperature+sensor+AM2302.pdf - Manufacturer Name: Adafruit Industries - Part Type: Module - Manufacturer Part Number: DHT22-AM2302 **Pins:** - DATA [pin 2] - GND [pin 3] - VCC [pin 1] ### DS18B20 — [DS18B20+](https://www.flux.ai/adrian95/ds18b20plus~f15.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: DS18B20+ - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/ds18b20.pdf - Part Type: Sensor - Manufacturer Name: Analog Devices Inc./Maxim Integrated **Pins:** - DQ [pin 2] - GND [pin 1] - VDD [pin 3] ### Esp32 — [ESP32-WROOM-32E](https://www.flux.ai/vasy_skral/esp32-wroom-32e~7ed.md) - Manufacturer Name: Espressif Systems - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf - Manufacturer Part Number: ESP32-WROOM-32E **Pins:** - GND=> . [pin 15] - EN [pin 3] - GND [pin 38] - GND [pin 39] - 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 18] - NC [pin 19] - NC [pin 17] - NC [pin 21] - NC [pin 22] - NC [pin 32] - NC [pin 20] - RXD0/IO3 [pin 34] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - TXD0/IO1 [pin 35] - VDD [pin 2] ### KY038 — [KY037](https://www.flux.ai/mathzin/ky037~bq.md) - Datasheet URL: https://www.linearsystems.com/_files/ugd/7e8069_16b0cd64aa1a49ffb80d5837e5ec6517.pdf - Manufacturer Name: Linear Integrated Systems, Inc. - Manufacturer Part Number: 3N163 SOT-143 4L ROHS **Pins:** - A0 - D0 - GND - VCC ### US-100 — [MB1010-000](https://www.flux.ai/jecstronic/mb1010-000~i64.md) - Part Type: Sensor - Manufacturer Name: MaxBotix Inc. - Manufacturer Part Number: MB1010-000 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://maxbotix.com/pages/lv-maxsonar-ez-datasheet **Pins:** - +5 [pin 2] - AN [pin 5] - BW [pin 7] - GND [pin 1] - PW [pin 6] - RX [pin 4] - TX [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/voidimpetu/esp32-wroom-32e-reference-design~9v](https://www.flux.ai/voidimpetu/esp32-wroom-32e-reference-design~9v).* --- *Generated from [https://www.flux.ai/voidimpetu/esp32-wroom-32e-reference-design~9v](https://www.flux.ai/voidimpetu/esp32-wroom-32e-reference-design~9v)*