LILYGO ESP32 OLED V3.0 Wi-Fi Bluetooth Wireless Module
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LILYGO ESP32 OLED V3.0 Wi-Fi Bluetooth Wireless Module
This development board features the powerful ESP32 chip with a dual-core 240MHz processor, up to 600 DMIPS performance, 520KB SRAM, integrated Wi-Fi (802.11 b/g/n HT40), Bluetooth Classic and BLE. It includes 4MB Flash, onboard Wi-Fi antenna, 0.96" OLED display, lithium battery charging circuit, and a Type-C USB interface. Despite high heat due to its compact high-frequency design, the circuit is fully evaluated for stability—safe for continuous use.
Key Features
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Compact and powerful wireless development board
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Built on the ESP32 dual-core 240MHz processor
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Integrated Wi-Fi (802.11 b/g/n) for seamless connectivity
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Supports both Bluetooth Classic and Bluetooth Low Energy (BLE)
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Includes a 0.96-inch OLED display for real-time visual feedback
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Perfect for IoT applications, smart home devices, and wearable tech
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Ideal for rapid prototyping and embedded system development
Specifications
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Main Chip: Espressif ESP32, Tensilica Dual-Core, 240MHz, up to 600 DMIPS
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Memory: 520KB SRAM
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Wireless Connectivity:
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Wi-Fi: 802.11 b/g/n, HT40
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Bluetooth: Dual-mode (Classic + BLE)
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Flash: 4MB (32Mbit) onboard
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Display: 0.96-inch OLED
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Interface: Type-C USB port
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Battery Support: Lithium battery charging circuit included
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Antenna: Onboard Wi-Fi antenna
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Programming: Requires T-U2T USB to TTL downloader (no USB-to-Serial chip onboard)
Usage Note
The ESP32 QFN package is highly integrated and runs at high frequency. Heating during use is normal. The circuit has been fully tested for stability and is safe for continuous operation.
Important: This board does not have a built-in USB-to-Serial chip. Programming must be done using the included T-U2T automatic downloader.
Package Includes
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1 × ESP32 OLED V3.0 board
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1 × T-U2T USB to TTL downloader
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1 × Battery cable (JST 2-pin, 1.25mm)
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2 × Pin headers
Benefits
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Integrated Wi-Fi and BLE for flexible wireless communication
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Type-C interface for easy and modern connectivity
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Built-in OLED display for real-time data display and debugging
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Automatic downloading with T-U2T, no manual reset required
Reference
Effective Date: March 27, 2025
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