ESP32-Touch-LCD-3.5 is a highly integrated development board designed by Waveshare. Equipped with a 3.5inch capacitive IPS display, power management IC, RTC chip, and audio codec IC. Suitable for ESP32 learning and secondary development, featuring multiple functions including AI speech interaction and Bluetooth music playback.

Key features include:

• Equipped with High-performance ESP32 Xtensa 32-bit LX6 single-core / dual-core processor, up to 240MHz main frequency
• Supports 2.4GHz Wi-Fi (IEEE 802.11b/g/n) and Bluetooth V4.2 full specification, including traditional Bluetooth (BR/EDR) and Bluetooth Low Energy (BLE), with onboard antenna
• Built-in 520KB of Static RAM and 448KB ROM, with onboard 2MB PSRAM and an external 16MB Flash memory
• Onboard USB Type-C port for power supply, program downloading, and debugging, easier to use
• Onboard 3.5inch capacitive touch IPS display for clear color picture display, 320 × 480 resolution, 262K color
• Built-in ST7796 display driver and FT6336 capacitive touch chip, using SPI and I2C communication respectively, effectively saving the IO resources
• Onboard PCF85063 RTC chip, powered by Lithium batt. through AXP2101 chip, with reserved RTC batt. header for connecting a backup batt., ensuring RTC function during the replacement of the main batt.
• Onboard PWR and BOOT programmable buttons for easy custom function development
• Onboard 3.7V MX1.25 Lithium Batt. recharge/discharge header
• Adapting I2C, UART, USB and multiple GPIOs for external device connection and debugging, enabling flexible peripheral configuration.
• Onboard TF card slot for extended storage, supports external TF card for storing images or files
• Adopts AXP2101 IC for efficient power management, supports multiple voltage outputs, batt. charging, batt. management, and batt. life optimization, etc.