# ESP32-WROOM-32E Reference Design cgdA ## 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:** franco2026 - **Created:** 11/2/2024 - **Last Updated:** 11/2/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### LCD1 — [WC1602A](https://www.flux.ai/jecstronic/wc1602a~vi0.md) - Datasheet URL: http://www.datasheet39.com/download.php?id=735838 - Manufacturer Part Number: WC1602A - Part Type: Display Device - Manufacturer Name: Wincom Tech - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - D0 [pin 7] - D1 [pin 8] - D2 [pin 9] - D3 [pin 10] - D4 [pin 11] - D5 [pin 12] - D6 [pin 13] - D7 [pin 14] - E [pin 6] - LED(-) [pin 16] - LED(+) [pin 15] - R/W [pin 5] - RS [pin 4] - VDD [pin 2] - VO [pin 3] - VSS [pin 1] ### U1 — TDA7294 - Manufacturer Part Number: TDA7294V - Datasheet URL: https://www.mouser.cl/datasheet/2/389/tda7294-1852356.pdf - Part Type: Operational Amplifier (OP-AMP) **Pins:** - BOOTSTRAP [pin 6] - IN MUTE [pin 4] - IN- [pin 2] - IN+ [pin 3] - MUTE [pin 10] - NC [pin 12] - NC [pin 11] - NC [pin 5] - OUT [pin 14] - PWVs- [pin 15] - PWVs+ [pin 13] - STBY [pin 9] - STBY GND [pin 1] - Vs- [pin 8] - Vs+ [pin 7] ### U2 — [ESP32-DEVKIT-V1](https://www.flux.ai/jharwinbarrozo/esp32-devkit-v1~7xd.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf - Symbol Style: Parametric - Manufacturer Part Number: ESP32-DEVKIT-V1 - Part Type: Module - Manufacturer Name: Espressif Systems **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/franco2026/esp32-wroom-32e-reference-design-cgda~j5](https://www.flux.ai/franco2026/esp32-wroom-32e-reference-design-cgda~j5).* --- *Generated from [https://www.flux.ai/franco2026/esp32-wroom-32e-reference-design-cgda~j5](https://www.flux.ai/franco2026/esp32-wroom-32e-reference-design-cgda~j5)*