🧩 This compact and powerful development board features the high-performance ESP32 dual-core 240MHz processor, delivering up to 600 DMIPS, with 520KB SRAM, 4MB Flash, and integrated Wi-Fi (802.11 b/g/n HT40) and Bluetooth Classic + BLE. It includes a 0.96" OLED display, onboard Wi-Fi antenna, Type-C USB interface, and a lithium battery charging circuit—making it ideal for IoT, wearables, and smart home projects. ⚙️📡🔋
🔥 Despite its high-frequency design and compact layout, the board has been fully evaluated for thermal stability and is safe for continuous operation.
🔑 Key Features of LILYGO ESP32 OLED V3.0
- 🧠 ESP32 dual-core 240MHz processor (Tensilica architecture)
- 💾 520KB SRAM + 4MB Flash memory
- 📶 Wi-Fi 802.11 b/g/n HT40 + Bluetooth Classic & BLE
- 📺 0.96" OLED display for real-time feedback
- 🔌 Type-C USB interface for power and programming
- 🔋 Lithium battery charging circuit (JST 2-pin 1.25mm)
- 📡 Onboard Wi-Fi antenna
- 🧰 Ideal for IoT, smart home, wearable tech, and embedded systems
- ⚡ Requires T-U2T USB to TTL downloader (no onboard USB-to-Serial chip)
📊 Specifications of LILYGO ESP32 OLED V3.0
| 🧠 Main Chip | ESP32 Dual-Core, 240MHz, up to 600 DMIPS |
| 💾 Memory | 520KB SRAM |
| 📡 Wireless | Wi-Fi 802.11 b/g/n HT40, Bluetooth Classic + BLE |
| 💾 Flash | 4MB (32Mbit) onboard |
| 📺 Display | 0.96" OLED (SSD1306) |
| 🔌 Interface | Type-C USB port |
| 🔋 Battery Support | Lithium battery charging circuit included |
| 📡 Antenna | Onboard Wi-Fi antenna |
| ⚡ Programming | Requires T-U2T USB to TTL downloader |
🧪 Applications of LILYGO ESP32 OLED V3.0
- 🌐 IoT devices and automation systems
- 🏠 Smart home controllers
- ⌚ Wearable technology
- 🧰 Embedded system prototyping
- 🔋 Battery-powered wireless projects
🧑💻 Technology Support
📘 ESP32 OLED V3.0 GitHub Repository
💬 Community support available via GitHub Issues
⚠️ Usage Notes
🔥 The ESP32 QFN package runs at high frequency and may generate heat during operation. This is normal and the board is fully tested for thermal stability.
⚠️ This board does not include a USB-to-Serial chip. Programming must be done using the included T-U2T automatic downloader—no manual reset required.
📦 Package Includes
- 🧠 1 × ESP32 OLED V3.0 Board
- 🔋 1 × Battery cable (JST 2-pin 1.25mm)
- 📌 2 × Pin headers