# ESP-WROOM-02U Reference Design 4N1C ## Description This project is a reference design for an ESP-WROOM-02U 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 #ESP8266 #WROOM #RF #WIFI #MCU #referenceDesign #simple-embedded #espressif #template #reference-design ## Project Details - **Owner:** yousi176 - **Created:** 4/17/2024 - **Last Updated:** 4/17/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### D1 — [10mm CA White 7 Segment Display](https://www.flux.ai/corynrobinson/10mm-ca-white-7-segment-display~m0.md) - Part Type: LED - Current: 10mA - Datasheet URL: https://docs.broadcom.com/doc/AV02-1644EN - Purchase Url: https://octopart.com/hdsm-431w-broadcom-71129225?r=sp - Manufacturer Part Number: HDSM-431W - Manufacturer Name: Broadcom - Forward Voltage: 2.95V **Pins:** - a - Anode1 - Anode2 - b - c - d - dp - e - f - g ### J1 — [1054500101](https://www.flux.ai/adrian95/1054500101~2d.md) - Manufacturer Name: Molex - Manufacturer Part Number: 1054500101 - Part Type: Connector - Datasheet URL: https://www.molex.com/pdm_docs/ps/PS-105448-001.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CC1 [pin A5] - CC2 [pin B5] - D1- [pin A7] - D1+ [pin A6] - D2- [pin B7] - D2+ [pin B6] - GND1 [pin A1] - GND2 [pin A12] - GND3 [pin B1] - GND4 [pin B12] - RX1- [pin B10] - RX1+ [pin B11] - RX2- [pin A10] - RX2+ [pin A11] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S3] - SHIELD [pin S2] - SHIELD [pin S4] - SHIELD [pin S1] - TX1- [pin A3] - TX1+ [pin A2] - TX2- [pin B3] - TX2+ [pin B2] - VBUS1 [pin A4] - VBUS2 [pin A9] - VBUS3 [pin B4] - VBUS4 [pin B9] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/yousi176/esp-wroom-02u-reference-design-4n1c~b8](https://www.flux.ai/yousi176/esp-wroom-02u-reference-design-4n1c~b8).* --- *Generated from [https://www.flux.ai/yousi176/esp-wroom-02u-reference-design-4n1c~b8](https://www.flux.ai/yousi176/esp-wroom-02u-reference-design-4n1c~b8)*