# ESP32-WROOM-32D (Component) ## Description ESP32-WROOM-32D 24 VAC Industrial Control Board with Protected PSU, Interlocked Relays, 0–10 V Output, Ethernet/Wi‑Fi, and I²C Expansion ## Component Details - **Owner:** vasyl - **Created:** 5/18/2021 - **Last Updated:** 4/21/2026 - **Visibility:** Public - **Datasheet URL:** https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf - **Environment:** Industrial (-40 °C to 85 °C, EMI class) - **Part Type:** Microcontroller - **Symbol Style:** Parametric - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Name:** Espressif Systems - **Manufacturer Part Number:** ESP32-WROOM-32D - **Used in:** 111607 projects - **Stars:** 28 - **Forks:** 14 - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Espressif - **MPN:** ESP32-WROOM-32D - **Pin Count:** 39 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | GND | | | 2 | 3.3V | | | 3 | EN | | | 15 | GND | | | 25 | IO0 | | | 35 | TXD0 | | | 4 | VP | | | 34 | RXD0 | | | 5 | VN | | | 9 | IO33 | | | 8 | IO32 | | | 21 | SD0 | | | 24 | IO2 | | | 22 | SD1 | | | 26 | IO4 | | | 29 | IO5 | | | 17 | SD2 | | | 18 | SD3 | | | 14 | IO12 | | | 20 | CLK | | | 16 | IO13 | | | 13 | IO14 | | | 19 | CMD | | | 23 | IO15 | | | 32 | NC | | | 27 | IO16 | | | 28 | IO17 | | | 30 | IO18 | | | 31 | IO19 | | | 33 | IO21 | | | 36 | IO22 | | | 10 | IO25 | | | 37 | IO23 | | | 11 | IO26 | | | 12 | IO27 | | | 6 | IO34 | | | 7 | IO35 | | | 38 | GND | | | 39 | AGND | | --- *Generated from [https://www.flux.ai/vasyl/esp32-wroom-32d~7py](https://www.flux.ai/vasyl/esp32-wroom-32d~7py)*