Espressif ESP32-WROOM-32E 4M
- The Espressif ESP32-WROOM-32E is a powerful and versatile MCU module that integrates Wi-Fi, Bluetooth, and BLE capabilities, making it suitable for a wide range of applications. From low-power sensor networks to more demanding tasks such as voice encoding, music streaming, and MP3 decoding, this module delivers robust performance. It comes equipped with a PCB antenna to ensure reliable connectivity for both Bluetooth and Wi-Fi. Additionally, the module offers expandable storage options with external SPI flash ranging from 4 to 16 MB, providing ample space for data and firmware needs.
There are a wide range of application for ESP32-WROOM-32E like,
- Generic Low-power IoT Sensor Hub
- Generic Low-power IoT Data Loggers
- Cameras for Video Streaming
- Over-the-top (OTT) Devices
- Speech Recognition
- Image Recognition
- Mesh Network
- Home Automation
- Smart Building
- Industrial Automation
- Smart Agriculture
- Audio Applications
- Health Care Applications
- Wi-Fi-enabled Toys
- Wearable Electronics
- Retail & Catering Applications
Features
- ESP32-D0WD-V3 embedded, Xtensa dual-core
- 32-bit LX6 microprocessor, up to 240 MHz
- 448 KB ROM for booting and core functions
- 520 KB SRAM for data and instructions
- 16 KB SRAM in RTC
- WiFi
•802.11b/g/n
• Bit rate: 802.11n up to 150 Mbps
• A-MPDU and A-MSDU aggregation
• 0.4 µs guard interval support
• Center frequency range of operating channel: 2412 ~ 2484 MHz - Bluetooth®
• Bluetooth V4.2 BR/EDR and Bluetooth LE specification
• Class-1, class-2 and class-3 transmitter
• AFH
• CVSD and SBC - Hardware
• Interfaces: SD card, UART, SPI, SDIO, I2C, LED, PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, Two-Wire Automotive Interface (TWAI, compatible with ISO11898-1)
Specifications:
| Processor | Xtensa Dual-Core 32-bit LX6 |
|---|---|
| Operating Voltage (VDC): | 3 ~ 3.6 |
| ROM | 448 KB |
| SRAM | 520 |
| SPI Flash | 4 MB |
| Crystal Oscillator | 40 MHz |
| WIFI | 802.11 b/g/n |
| Bluetooth Version | BLE, v4.2 BR/EDR |
| Wi-Fi Mode | Station/softAP/SoftAP+station/P2P |
| Security | WPA/WPA2/WPA2-Enterprise/WPS |
| Encryption | AES/RSA/ECC/SHA |
| Current Consumption (mA) | 80 |
| Length (mm): | 20 |
| Width (mm): | 18 |
| Height (mm): | 3 |
| Weight (g): | 10 |
Package Includes
- 1 x Espressif ESP32-WROOM-32E 4M 32Mbit Flash WiFi Bluetooth Module
Technical Specifications
| Brand | Espressif |
|---|---|
| Model | ESP32-WROOM |
| SKU | AI0503 |
| Weight | 0.0 kg |
| Availability | In Stock |
Applications & Use Cases
The Espressif ESP32-WROOM-32E 4M is a versatile other esp wifi modules used across a wide range of applications including WiFi connectivity for microcontrollers, IoT sensor nodes, remote monitoring, OTA firmware updates, and cloud-connected devices.
Common use cases:
- Adding WiFi to an existing Arduino project
- Building a cloud-connected weather station
- Enabling remote firmware updates
This product is ideal for IoT developers and electronics hobbyists.
Technical Tip: ESP-WROOM-32 modules need proper decoupling capacitors and antenna clearance for reliable WiFi performance.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine Espressif product sourced from authorized channels
Sanjay Trivedi (verified owner) –
Great Espressif ESP32-WROOM-32E 4M. OTA updates work perfectly. Using 5 of these around my house.
Aarav Joshi (verified owner) –
Good Espressif ESP32-WROOM-32E 4M. WiFi works well. Sometimes needs a reset but overall solid.
Abhishek Pandey (verified owner) –
Good Espressif ESP32-WROOM-32E 4M. WiFi works well. Sometimes needs a reset but overall solid.
Neeraj Kumar (verified owner) –
Good Espressif ESP32-WROOM-32E 4M. WiFi works well. Sometimes needs a reset but overall solid.
Swati Tiwari (verified owner) –
Love this Espressif ESP32-WROOM-32E 4M. Built a smart switch with it. Works with Home Assistant perfectly.
Farhan Naidu (verified owner) –
This Espressif ESP32-WROOM-32E 4M is amazing for home automation. Connected all my smart devices easily.
Simran Deshpande (verified owner) –
Excellent for smart home projects. This Espressif ESP32-WROOM-32E 4M connects reliably to my router.
Anjali Sen (verified owner) –
Love this Espressif ESP32-WROOM-32E 4M. Built a smart switch with it. Works with Home Assistant perfectly.
Zubin Trivedi (verified owner) –
Nice Espressif ESP32-WROOM-32E 4M for IoT prototyping. Breadboard compatible which is a plus.
Jayesh Sharma (verified owner) –
Great quality Espressif ESP32-WROOM-32E 4M. Flashed with ESPHome and it works beautifully.
Chirag Kamath (verified owner) –
Decent Espressif ESP32-WROOM-32E 4M. Had to install CP2102 drivers but works fine after that.
Ishan Agarwal (verified owner) –
Excellent Espressif ESP32-WROOM-32E 4M! WiFi connectivity is strong and stable. Perfect for IoT projects.
Nikhil Khanna (verified owner) –
Great Espressif ESP32-WROOM-32E 4M. OTA updates work perfectly. Using 5 of these around my house.
Pallavi Hegde –
Excellent Espressif ESP32-WROOM-32E 4M! WiFi connectivity is strong and stable. Perfect for IoT projects.
Zubin Kumar (verified owner) –
Outstanding Espressif ESP32-WROOM-32E 4M! Programmed it with Arduino IDE. All features work as documented.
Sumit Singh (verified owner) –
Great Espressif ESP32-WROOM-32E 4M. OTA updates work perfectly. Using 5 of these around my house.
Lakshmi Dhillon (verified owner) –
Good Espressif ESP32-WROOM-32E 4M. WiFi works well. Sometimes needs a reset but overall solid.
Sandeep Malhotra –
Love this Espressif ESP32-WROOM-32E 4M. Built a smart switch with it. Works with Home Assistant perfectly.
Pankaj Thakur (verified owner) –
This Espressif ESP32-WROOM-32E 4M is a beast for the price. Running a web server on it with no issues.
Deepika Dhawan (verified owner) –
Perfect for my IoT project. This Espressif ESP32-WROOM-32E 4M has excellent WiFi performance.
Anil Chatterjee (verified owner) –
Good quality Espressif ESP32-WROOM-32E 4M. Flash memory is sufficient for most projects.
Utkarsh Thakur –
Excellent Espressif ESP32-WROOM-32E 4M! WiFi connectivity is strong and stable. Perfect for IoT projects.
Dhruv Mittal (verified owner) –
Superb Espressif ESP32-WROOM-32E 4M! Using it for my weather monitoring station. WiFi range is impressive.
Aarav Kumar (verified owner) –
This Espressif ESP32-WROOM-32E 4M is amazing for home automation. Connected all my smart devices easily.
Tushar Sethi (verified owner) –
Okay Espressif ESP32-WROOM-32E 4M. Took time to figure out the pin mapping but functional.
Vijay Garg (verified owner) –
Great quality Espressif ESP32-WROOM-32E 4M. Flashed with ESPHome and it works beautifully.
Harshit Rathore (verified owner) –
This Espressif ESP32-WROOM-32E 4M is amazing for home automation. Connected all my smart devices easily.
Anirudh Patel (verified owner) –
Love this Espressif ESP32-WROOM-32E 4M. Built a smart switch with it. Works with Home Assistant perfectly.
Akshat Malhotra (verified owner) –
This Espressif ESP32-WROOM-32E 4M is amazing for home automation. Connected all my smart devices easily.