This is the Blue variant of the Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi Bluetooth Module in Other ESP WIFI Modules. Available at ₹341.02 (₹289.00 + GST) with free shipping across India.
Looking for Esp32 Module 4m Espressif Esp32-wrover? Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi Bluetooth Module is available at Zbotic with fast shipping across India.
Looking for Esp32 Module 4m Espressif Ai1335? Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi Bluetooth Module is available at Zbotic with fast shipping across India.
Espressif ESP32-WROVER-B Wireless Module is a powerful, generic WiFi-BT-BLE MCU module that targets a wide variety of applications. These applications range from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding. ESP32-WROVER-B features a 4MB external SPI flash and an additional 32MB SPI Pseudo static RAM (PSRAM).
The ESP32-WROVER-B MCU Modules use the ESP32-D0WD chip at its core. This SoC features two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80MHz to 240MHz. The ESP32 integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S, and I2C.
ESP-32S Wifi Bluetooth combo module provides SDK Firmware for fast online programming and open source toolchains based on GCC for development support. It is designed for Generic low power IoT sensor hub, loggers, video streaming for the camera, Wi-Fi & Bluetooth enabled devices, Home automation, and mesh network applications, aimed at makers, hardware engineers, software engineers and solution provides.
ESP32 is a single chip 2.4 GHz Wi-Fi and Bluetooth combo chip designed with TSMC ultra-low-power 40 nm technology. It is designed and optimized for the best power performance, RF performance, robustness, versatility, features, and reliability, for a wide variety of applications, and different power profiles.
ESP32 is the most integrated solution for Wi-Fi + Bluetooth applications in the industry with less than 10 external components. ESP32 integrates the antenna switch, RF balun, power amplifier, low noise receive amplifier, filters, and power management modules. As such, the entire solution occupies a minimal Printed Circuit Board (PCB) area.
ESP32 is designed for mobile, wearable electronics, and the Internet of Things (IoT) applications. It has many features of state-of-the-art low power chips, including fine resolution clock gating, power modes, and dynamic power scaling.
Features:
- ESP32 embedded, two or one Xtensa 32-bit LX6 microprocessor(s) with adjustable clock frequency, ranging from 80 MHz to 240 MHz
- +19.5 dBm output power ensures a good physical range
- Classic Bluetooth for legacy connections, also supporting L2CAP, SDP, GAP, SMP, AVDTP, AVCTP, A2DP (SNK), and AVRCP (CT)
- Support for Bluetooth Low Energy (Bluetooth LE) profiles including L2CAP, GAP, GATT, SMP, and GATT-based profiles like BluFi, SPP-like, etc
- Bluetooth Low Energy (Bluetooth LE) connects to smartphones, broadcasting low-energy beacons for easy detection
- Sleep current is less than 5 μA, making it suitable for battery-powered and wearable electronics applications
- Peripherals include capacitive touch sensors, Hall sensor, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C
- Fully certified with integrated antenna and software stacks
Package Includes:
1 x Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi Bluetooth Module
This Esp32 Module 4m Espressif Ai1335 is a popular choice among hobbyists and professionals. The Esp32 Module 4m Espressif Ai1335 offers reliable performance for your projects.
About Esp32 Module 4m Espressif Ai1335
Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi Bluetooth Module is available at Zbotic, India’s trusted electronics and robotics store. Manufactured by Espressif, this product is designed for hobbyists, students, and professionals working on electronics, robotics, and DIY projects.
Product Details
- Brand: Espressif
- SKU: AI1335
- Category: Other ESP WIFI Modules
Why Buy from Zbotic?
Zbotic offers a wide range of electronics components, development boards, sensors, and robotics parts. All products are quality-checked and shipped within 24 hours. Free shipping on qualifying orders. We offer COD (Cash on Delivery) and secure online payment options. Our customer support team is available to help with technical queries about Esp32 Module 4m Espressif Ai1335 and other products.
Applications
Esp32 Module 4m Espressif Ai1335 can be used in a variety of projects including Arduino projects, Raspberry Pi builds, drone assembly, 3D printing, IoT applications, and educational experiments. Whether you are a beginner or an advanced user, this component provides the reliability and performance you need. Order your Esp32 Module 4m Espressif Ai1335 today and start building.
This Esp32 Module 4m Espressif Esp32-wrover is a popular choice among hobbyists and professionals. The Esp32 Module 4m Espressif Esp32-wrover offers reliable performance for your projects.
Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi Bluetooth Overview
The Espressif ESP32-WROVER-B is a compact wireless module combining a dual-core MCU with integrated WiFi (802.11b/g/n up to 150 Mbps) and Bluetooth v4.2 (BR/EDR & BLE). It features 4 MB of external SPI flash and 32 Mbit of PSRAM, making it ideal for applications from low-power sensor networks to audio streaming and voice encoding.
Key Features of Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi Bluetooth
- 4 MB external SPI flash plus 32 Mbit SPI PSRAM for large buffers and code storage
- Dual-core ESP32-D0WD processor running up to 240 MHz
- WiFi 802.11 b/g/n (2.4 GHz) with up to 150 Mbps data rate
- Bluetooth v4.2 BR/EDR and BLE with AFH and –97 dBm receiver sensitivity
- On-chip hall sensor plus support for CVSD and SBC audio codecs
- Class-1, class-2, and class-3 Bluetooth transmitter for flexible range
- Genuine Espressif module, fast shipping from Zbotic across India
Applications and Use Cases
- IoT sensor nodes and home automation gateways
- Portable audio streaming devices and MP3 players
- Wireless data loggers and telemetry systems
- Smart agriculture and environmental monitoring
- Embedded robotics control and custom development boards
- Voice-enabled products with on-chip audio encoding/decoding
How to Use Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi Bluetooth
Solder the ESP32-WROVER-B onto your PCB or plug into a compatible breakout board, supply a stable 3.3 V rail, and connect its UART pins to a USB-to-TTL converter. In Espressif IDF or the Arduino Core for ESP32, configure the PSRAM and flash settings, compile your firmware, and flash over serial using esptool.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
How do I enable PSRAM on the ESP32-WROVER-B?
In Espressif IDF, open menuconfig → Component config → ESP32-specific, then enable “Support for external, SPI-connected RAM.” Rebuild and flash to access the full 32 Mbit PSRAM.
What voltage and power requirements does this module need?
The ESP32-WROVER-B operates at 3.0–3.6 V. Use a low-noise 3.3 V regulator capable of supplying up to 500 mA during peak WiFi transmission, and place decoupling capacitors close to VCC pins.
How can I flash custom firmware onto the ESP32-WROVER-B?
Connect TX, RX, EN, and IO0 pins to a USB-to-TTL adapter, pull IO0 low at reset to enter bootloader mode, then use the esptool.py utility (or Arduino IDE) to upload your compiled .bin files over the serial interface.
Technical Specifications
| Brand | Espressif |
|---|---|
| Model | ESP32-WROVER |
| Interface / Protocol | WiFi, Bluetooth |
| Color | Blue |
| SKU | AI1335 |
| Weight | 0.0 kg |
| Availability | Out of Stock |
Applications & Use Cases
The Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi Bluetooth Module 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



Paras Dave –
Excellent for smart home projects. This Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi connects reliably to my router.
Sanya Gupta (verified owner) –
Decent Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi. Had to install CP2102 drivers but works fine after that.
Arjun Mishra (verified owner) –
Superb Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi! Using it for my weather monitoring station. WiFi range is impressive.
Swati Trivedi (verified owner) –
Decent Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi. Had to install CP2102 drivers but works fine after that.
Sahil Desai (verified owner) –
Outstanding Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi! Programmed it with Arduino IDE. All features work as documented.
Lalit Vohra (verified owner) –
Average Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi. WiFi drops occasionally but works for basic projects.
Hardik Saini (verified owner) –
Outstanding Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi! Programmed it with Arduino IDE. All features work as documented.
Swati Shah (verified owner) –
Perfect for my IoT project. This Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi has excellent WiFi performance.
Vijay Chopra (verified owner) –
Outstanding Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi! Programmed it with Arduino IDE. All features work as documented.
Ishaan Dhillon (verified owner) –
Good Espressif ESP32-WROVER-B 4M 32Mbit Flash WiFi. WiFi works well. Sometimes needs a reset but overall solid.