Heltec ESP32 WiFi Kit 32 V3 with OLED Display

The Heltec ESP32 WiFi Kit 32 V3 is a powerful development board for IoT applications. It is based on the ESP32-S3FN8 processor, clocked at up to 240 MHz, and supports both Wi-Fi and Bluetooth 5. Compared to the previous version, power consumption in deep sleep mode has been significantly reduced, and the USB interface has been switched from Micro-USB to USB-C. Additionally, an improved RF circuit ensures optimized signal transmission. The board features an integrated 0.96-inch OLED display that can be used to display debugging information or system status. Another highlight is the built-in lithium battery management system, which enables safe charging and discharging. The numerous GPIO interfaces and communication protocols such as UART, SPI, and I2C make it ideal for versatile applications. Whether for smart homes, industrial automation, or DIY projects, the Heltec ESP32 WiFi Kit 32 V3 offers you a powerful and flexible platform.

Recommended Accessories:

• JST 1.25 Battery

Features:

• Powerful ESP32-S3FN8 processor with a clock speed of up to 240 MHz for fast and efficient calculations.
• Integrated 0.96-inch OLED display to directly show important system information.
• Supports Wi-Fi (802.11 b/g/n) with up to 150 Mbps as well as Bluetooth 5 and Bluetooth Mesh, ideal for wireless communication.
• USB-C connector for easy programming and debugging with integrated voltage regulation, ESD protection, and short-circuit protection.
• Built-in lithium battery management system with charge and discharge protection and automatic switching between USB and battery operation.
• Versatile interfaces such as 7x ADC1, 2x ADC2, 7x Touch, 3x UART, 2x I2C, and 2x SPI for broad application possibilities.
• Energy-efficient design with only 10 µA power consumption in deep sleep mode for power-saving IoT projects.

Application Examples:

• Smart Home Automation: Control lighting, sensors, or other IoT devices.
• Industry 4.0 Projects: Real-time monitoring of machines and production facilities.
• Portable Electronics: Develop your own wearables with wireless communication.
• Environmental Monitoring: Data collection from temperature, humidity, or air quality sensors.
• DIY Projects and Prototyping: Perfect for hobbyists and developers who want to work with ESP32.

Documentation:

• Github
• Schematic and Documentation

Technical Specifications:

• Manufacturer: Heltec Automation
• Processor: ESP32-S3FN8 (Xtensa® 32-bit LX7 Dual-Core)
• Memory: 384 KB ROM, 512 KB SRAM, 16 KB RTC-SRAM, 8 MB Flash
• Interfaces: USB-C, 2x 1.25 mm lithium battery connector, 2x 18-pin header
• Communication: Wi-Fi 802.11 b/g/n, Bluetooth 5.0, Bluetooth Mesh
• Battery Operation: Supports 3.7V lithium batteries
• Power Consumption: Deep sleep mode <10 µA
• Operating Temperature: -20°C to 70°C
• Dimensions: 50.2 x 25.5 x 10.2 mm
• Weight: 23g

Scope of Delivery:

• 1x Heltec ESP32 WiFi Kit 32 V3 with OLED Display
• 1x SH1.25 LiPo Connection Cable