LilyGO TTGO T8 ESP32-S2 Development Microcontroller Board with SD Card Slot – H434

The LilyGO TTGO T8 ESP32-S2 Development Board is a powerful and versatile microcontroller designed for modern IoT, automation, and embedded system projects. Powered by the ESP32-S2 chip, it offers enhanced performance, improved security, and stable wireless connectivity.

This board comes equipped with an integrated SD card slot, enabling easy data logging, file storage, and multimedia applications. With WiFi capability (no Bluetooth in ESP32-S2), it is perfect for cloud-connected devices, smart systems, and remote monitoring solutions.

Its compact design, multiple GPIO pins, and support for development platforms like Arduino IDE, ESP-IDF, and MicroPython make it suitable for both beginners and professionals.

Key Specifications

• Model: LilyGO TTGO T8 (ESP32-S2)
• Chipset: ESP32-S2 (Single-core Xtensa LX7)
• WiFi: 802.11 b/g/n (2.4GHz)
• Bluetooth: Not supported (ESP32-S2)
• Flash Memory: Typically 4MB / 8MB (varies by version)
• PSRAM: Optional (varies by variant)
• USB: Native USB OTG (Type-C / Micro USB depending on version)
• SD Card Slot: Yes (MicroSD)
• Operating Voltage: 3.3V
• Input Voltage: 5V via USB
• GPIO Pins: Multiple (varies by board layout)
• Clock Speed: Up to 240MHz

Technical Details

• Built-in USB OTG (no external USB-to-serial needed)
• Supports Arduino IDE, ESP-IDF, and MicroPython
• Integrated hardware security features
• Deep sleep and low-power modes for battery applications
• Ideal for data logging via SD card
• Supports SPI, I2C, UART, PWM, ADC interfaces
• OTA (Over-The-Air) firmware update support

Key Features

• High-performance ESP32-S2 processor
• Built-in MicroSD card slot for storage
• Native USB support for easy programming
• Compact and breadboard-friendly design
• Reliable WiFi connectivity for IoT projects

Applications

• IoT and smart home systems
• Data logging and monitoring devices
• Wireless sensor networks
• Embedded control systems
• DIY electronics and prototyping