This is the Red variant of the Unsoldered 4M Byte (32M bit )Pro ESP32 OLED V2.0 TTGO & ESP32 OLED WiFi Modules+Bluetooth Double ESP-32 ESP8266 Et OLED in Other ESP WIFI Modules. Available at ₹1,728.70 (₹1,465.00 + GST) with free shipping across India.
Looking for Esp32 Module 4m Esp-32? Unsoldered 4M Byte (32M bit )Pro ESP32 OLED V2.0 TTGO & ESP32 OLED WiFi Modules+Bluetooth Double ESP-32 ESP8266 Et OLED is available at Zbotic with fast shipping across India.
Unsoldered 4M Byte (32M bit )Pro ESP32 OLED V2.0 TTGO & ESP32 OLED WiFi Modules+Bluetooth Double ESP-32 ESP8266 Et OLED
The Unsoldered 4M Byte (32M bit) Pro ESP32 OLED V2.0 TTGO & ESP32 OLED WiFi Modules+Bluetooth Double ESP-32 ESP8266 Et OLED offers a versatile and powerful solution for wireless communication and display integration. Equipped with an ESP32 chipset, this module provides reliable Wi-Fi (802.11 b/g/n) and Bluetooth (BLE) connectivity, making it suitable for a wide range of IoT applications.
Featuring 4 Megabytes (32 Megabits) of flash memory, the module offers ample storage space for firmware and data. The built-in OLED (Organic Light-Emitting Diode) display, with a resolution of 128×64 pixels and SSD1306 type, provides clear and crisp visual output for displaying information and user interfaces.
With support for GPIO, UART, I2C, and SPI interfaces, as well as compatibility with popular development environments such as Arduino IDE and ESP-IDF, this module offers flexibility and ease of integration into various projects. Additionally, the module operates at a standard voltage of 3.3V, ensuring compatibility with common microcontroller systems.
The dual ESP32 modules further enhance the capabilities of this module, enabling concurrent operation and increased processing power for demanding applications. Whether used for wireless data transmission, sensor monitoring, or user interface display, the Unsoldered 4M Byte Pro ESP32 OLED V2.0 TTGO & ESP32 OLED WiFi Modules+Bluetooth Double ESP-32 ESP8266 Et OLED provides a reliable and feature-rich solution for IoT projects.
Features:
1.The main control chip using ESP32 of Espressif , Tensilica dual core processor, clocked at 240MHz, computing capacity of up to 600DMIPS, 520 SRAM, 802.11 KB chip b/g/n HT40 Wi-Fi transceiver, baseband, and LWIP protocol stack,Bluetooth (Bluetooth dual-mode integrated traditional and BLE low-power Bluetooth).
2.Onboard 4M Byte (32M bit) , Flash, and Wi-Fi antennas.
3.0.96-inch White OLED display.
4.Lithium battery charging circuit and interface.
5.CP2102 USB to serial chip, perfect support for Arduino development environment.
Specification:
| Specification | Details |
|---|---|
| Module Type | WiFi and Bluetooth module |
| Chipset | ESP32 |
| Flash Memory | 4 Megabytes (32 Megabits) |
| Display | OLED (Organic Light-Emitting Diode) |
| Display Type | SSD1306 |
| Display Resolution | 128×64 pixels |
| Communication Protocols | Wi-Fi (802.11 b/g/n), Bluetooth (BLE) |
| Operating Voltage | 3.3V |
| Microcontroller | ESP32 (Espressif Systems) |
| Interfaces | GPIO, UART, I2C, SPI |
| Supported IDEs | Arduino IDE, ESP-IDF (Espressif IoT Development Framework) |
Package Include:
1 x Unsoldered 4M Byte (32M bit )Pro ESP32 OLED V2.0 TTGO & ESP32 OLED WiFi Modules+Bluetooth Double ESP-32 ESP8266 Et OLED
Unsoldered 4M Byte (32M bit )Pro ESP32 OLED V2.0 TTGO & Overview
The Unsoldered 4M Byte (32M bit) Pro ESP32 OLED V2.0 TTGO is a stand-alone development module combining an Espressif ESP32 dual-core processor with an onboard monochrome OLED display. Designed for custom prototyping, it offers Wi-Fi, Bluetooth and 4 MB flash in an unsoldered form factor for flexible header and connector placement.
Key Features of Unsoldered 4M Byte (32M bit )Pro ESP32 OLED V2.0 TTGO &
- ESP32 dual-core processor @ 240 MHz delivering up to 600 DMIPS and 520 KB SRAM for demanding tasks
- Onboard monochrome OLED display for real-time data readout and user interface
- 4 MByte (32 Mbit) flash memory for firmware, file storage and OTA updates
- 802.11 b/g/n HT40 Wi-Fi plus Bluetooth dual-mode (Classic & BLE) connectivity
- Unsoldered pads allow custom soldering of headers, wires or connectors
- Integrated PCB antenna and onboard regulator for USB-powered operation
- Fast shipping from Zbotic — get genuine modules delivered across India
Applications and Use Cases
- IoT sensor nodes with live display of temperature, humidity or air quality
- Wearable data loggers showing step count, heart rate or environmental stats
- Home automation controllers with Wi-Fi status and Bluetooth device pairing
- Portable network scanners or signal strength meters with on-screen feedback
- Custom handheld interfaces for robotics, drones or remote monitoring
- Prototype dashboards for real-time graphing and device diagnostics
How to Use Unsoldered 4M Byte (32M bit )Pro ESP32 OLED V2.0 TTGO &
Solder your choice of headers or wires onto the unsoldered pads, connect the board to your PC via micro-USB, install the ESP32 core in Arduino IDE or use ESP-IDF, select the TTGO v2.0 target, then upload sketches to control Wi-Fi, Bluetooth and render graphics on the built-in OLED.
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
Q: Are the header pins pre-soldered on this module?
No. This version comes unsoldered to let you attach headers, wires or custom connectors based on your project’s mechanical and electrical requirements.
Q: How much flash memory does the Pro ESP32 OLED V2.0 TTGO have?
The module includes 4 MByte (32 Mbit) onboard flash, providing ample storage for firmware, data logging and Over-The-Air (OTA) updates.
Q: Can I program this board using the Arduino IDE?
Yes. After installing the ESP32 board definitions in Arduino IDE, select the TTGO v2.0 profile, choose the correct COM port, and upload your sketch via micro-USB.
Technical Specifications
| Model | ESP32 |
|---|---|
| Interface / Protocol | WiFi, Bluetooth, BLE |
| Color | Red |
| SKU | AI4257 |
| Weight | 0.04 kg |
| Availability | In Stock |
Applications & Use Cases
The Unsoldered 4M Byte (32M bit )Pro ESP32 OLED V2.0 TTGO & ESP32 OLED WiFi Modules+Bluetooth Double ESP-32 ESP8266 Et OLED 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
Uday Grewal (verified owner) –
Perfect for my IoT project. This Unsoldered 4M Byte Pro ESP32 OLED has excellent WiFi performance.
Daksh Singh –
This Unsoldered 4M Byte Pro ESP32 OLED is a beast for the price. Running a web server on it with no issues.
Kapil Khanna (verified owner) –
Love this Unsoldered 4M Byte Pro ESP32 OLED. Built a smart switch with it. Works with Home Assistant perfectly.
Rashmi Kulkarni (verified owner) –
Nice Unsoldered 4M Byte Pro ESP32 OLED for IoT prototyping. Breadboard compatible which is a plus.
Sarika Ghosh (verified owner) –
Good quality Unsoldered 4M Byte Pro ESP32 OLED. Flash memory is sufficient for most projects.
Daksh Sen –
Outstanding Unsoldered 4M Byte Pro ESP32 OLED! Programmed it with Arduino IDE. All features work as documented.
Ashwin Dhawan –
Great quality Unsoldered 4M Byte Pro ESP32 OLED. Flashed with ESPHome and it works beautifully.
Aditi Khurana –
Great Unsoldered 4M Byte Pro ESP32 OLED. OTA updates work perfectly. Using 5 of these around my house.
Ananya Saxena (verified owner) –
This Unsoldered 4M Byte Pro ESP32 OLED is a beast for the price. Running a web server on it with no issues.
Gauri Dubey (verified owner) –
This Unsoldered 4M Byte Pro ESP32 OLED is a beast for the price. Running a web server on it with no issues.
Chetan Khanna (verified owner) –
Outstanding Unsoldered 4M Byte Pro ESP32 OLED! Programmed it with Arduino IDE. All features work as documented.
Aman Batra (verified owner) –
Perfect for my IoT project. This Unsoldered 4M Byte Pro ESP32 OLED has excellent WiFi performance.
Parth Grewal (verified owner) –
Decent Unsoldered 4M Byte Pro ESP32 OLED. Had to install CP2102 drivers but works fine after that.
Piyush Bisht (verified owner) –
Great quality Unsoldered 4M Byte Pro ESP32 OLED. Flashed with ESPHome and it works beautifully.
Vivek Banerjee (verified owner) –
Good quality Unsoldered 4M Byte Pro ESP32 OLED. Flash memory is sufficient for most projects.
Kabir Mittal (verified owner) –
Superb Unsoldered 4M Byte Pro ESP32 OLED! Using it for my weather monitoring station. WiFi range is impressive.
Suresh Rajan (verified owner) –
Superb Unsoldered 4M Byte Pro ESP32 OLED! Using it for my weather monitoring station. WiFi range is impressive.
Sandhya Yadav –
Outstanding Unsoldered 4M Byte Pro ESP32 OLED! Programmed it with Arduino IDE. All features work as documented.
Shivam Tandon (verified owner) –
Nice Unsoldered 4M Byte Pro ESP32 OLED for IoT prototyping. Breadboard compatible which is a plus.
Hardik Kamath (verified owner) –
Decent Unsoldered 4M Byte Pro ESP32 OLED. Had to install CP2102 drivers but works fine after that.
Daksh Gupta (verified owner) –
This Unsoldered 4M Byte Pro ESP32 OLED is amazing for home automation. Connected all my smart devices easily.
Paras Dhawan (verified owner) –
Okay Unsoldered 4M Byte Pro ESP32 OLED. Took time to figure out the pin mapping but functional.