# ESP32-WROOM-32E (16MB) (Component) ## Description The ESP32-WROOM-32E (16MB) is a highly integrated Wi-Fi + Bluetooth + Bluetooth Low Energy (BLE) module developed by Espressif. It is based on the ESP32-D0WD-V3 chip and features a dual-core processor, rich peripherals, and large flash memory—making it ideal for IoT, embedded systems, and wireless applications. This module is part of the upgraded WROOM-32E series, offering improved RF performance, better stability, and enhanced reliability compared to earlier versions like the 32D. Key Features (16MB Variant) Processor & Memory Dual-core Xtensa® 32-bit LX6 CPU, up to 240 MHz 520 KB SRAM + 448 KB ROM 16 MB SPI Flash (large storage for firmware/data) Optional variants with PSRAM for memory-intensive tasks Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth v4.2 (BR/EDR + BLE) Integrated PCB antenna (no external antenna needed) Peripherals & Interfaces Up to 26–38 GPIOs (depending on usage) Supports: UART, SPI, I2C, I2S PWM (LED & motor control) ADC, DAC Capacitive touch sensors SD/SDIO/MMC, CAN (TWAI) Electrical & Physical Operating voltage: 3.0V – 3.6V Operating temperature: –40°C to +85°C (industrial range) Compact size: 18 × 25.5 × 3.1 mm Typical Applications Smart home devices (lighting, appliances) IoT sensors and gateways Industrial automation systems Wearables and smart gadgets Audio/voice processing (thanks to dual-core + large flash) #module #ESP32 #16MB ## Component Details - **Owner:** adrian95 - **Created:** 5/6/2026 - **Last Updated:** 5/6/2026 - **Visibility:** Public - **Manufacturer Part Number:** ESP32-WROOM-32E__16MB_ - **Datasheet URL:** https://documentation.espressif.com/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf - **Manufacturer Name:** Espressif - **Symbol Style:** parametric-v1 - **Part Type:** Integrated Circuits - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Espressif - **MPN:** ESP32-WROOM-32E__16MB_ - **Mount Type:** PCB - **Package / Case Code:** Module - **Pin Count:** 47 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 2 | 3V3 | | | 3 | EN | | | 24 | IO2 | | | 35 | TXD0 | | | 33 | IO21 | | | 8 | IO32 | | | 29 | IO5 | | | 36 | IO22 | | | 4 | SENSOR_VP | | | 9 | IO33 | | | 27 | IO16 | | | 28 | IO17 | | | 10 | IO25 | | | 37 | IO23 | | | 6 | IO34 | | | 34 | RXD0 | | | 7 | IO35 | | | 26 | IO4 | | | 31 | IO19 | | | 13 | IO14 | | | 23 | IO15 | | | 25 | IO0 | | | 11 | IO26 | | | 5 | SENSOR_VN | | | 30 | IO18 | | | 14 | IO12 | | | 16 | IO13 | | | 12 | IO27 | | | 18 | NC | | | 22 | NC | | | 21 | NC | | | 19 | NC | | | 32 | NC1 | | | 17 | NC | | | 20 | NC | | | 38 | GND | | | 39_6 | GND | | | 39_8 | GND | | | 39_1 | GND | | | 39_3 | GND | | | 39_2 | GND | | | 15 | GND | | | 39_7 | GND | | | 39_4 | GND | | | 39_5 | GND | | | 39_9 | GND | | | 1 | GND | | --- *Generated from [https://www.flux.ai/adrian95/esp32-wroom-32e-16mb](https://www.flux.ai/adrian95/esp32-wroom-32e-16mb)*