# ESP32-WROOM-32E Reference Design oRdi ## 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:** alex9987 - **Created:** 11/29/2024 - **Last Updated:** 12/8/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### D1 — [BPW21](https://www.flux.ai/kicad-part-library/bpw21~zw0.md) - Datasheet URL: http://techwww.in.tu-clausthal.de/site/Dokumentation/Dioden/Fotodioden/BPW21-Fotodiode.pdf - Manufacturer Name: Texas Instruments Inc. - Package or Case Code: TO-5-2_Window - Manufacturer Part Number: BPW21 **Pins:** - A [pin 1] - K [pin 2] ### LED1 — [LED simulator template](https://www.flux.ai/nico/example-led-simulator-template~o0.md) - Manufacturer Part Number: CTL1206FYW1T - Forward Voltage: 1.70V - Part Type: LED - Datasheet URL: https://page.venkel.com/hubfs/Resources/Datasheets/LEDs/CTL1206FYW1T.pdf **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [2N3904TFR](https://www.flux.ai/adrian95/2n3904tfr~zdc.md) - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/pzt3904-d.pdf - Manufacturer Part Number: 2N3904TFR - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - B [pin 2] - C [pin 1] - E [pin 3] ### U1 — [ESP32-DEVKIT-V1](https://www.flux.ai/jharwinbarrozo/esp32-devkit-v1~7xd.md) - Manufacturer Name: Espressif Systems - Symbol Style: Parametric - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf - Manufacturer Part Number: ESP32-DEVKIT-V1 - 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] ### U2 — [LM358P](https://www.flux.ai/jecstronic/lm358p~nus.md) - Manufacturer Name: Texas Instruments - Manufacturer Part Number: LM358P - Part Type: Operational Amplifier (OP-AMP) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm358 **Pins:** - -IN1 [pin 2] - -IN2 [pin 6] - +IN1 [pin 3] - +IN2 [pin 5] - OUT1 [pin 1] - OUT2 [pin 7] - V- [pin 4] - V+ [pin 8] ### V1 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply~35.md) - Voltage: 5V **Pins:** - ANODE - CATHODE ### V2 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply~35.md) - Voltage: 5V **Pins:** - ANODE - CATHODE *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/alex9987/esp32-wroom-32e-reference-design-ordi~qo](https://www.flux.ai/alex9987/esp32-wroom-32e-reference-design-ordi~qo).* --- *Generated from [https://www.flux.ai/alex9987/esp32-wroom-32e-reference-design-ordi~qo](https://www.flux.ai/alex9987/esp32-wroom-32e-reference-design-ordi~qo)*