ESP32 3.5inch Rounded Corner Touch LCD Development Board, 320 × 480, Onboard Audio Codec Chip, Built-in Microphone and Speaker, Supports Wi-Fi and BLE, with BAT

High-Performance Processor: Powered by the ESP32 Xtensa 32-bit LX6 processor, offering both single-core and dual-core options with a main frequency of up to 240MHz, ensuring robust performance for a variety of applications.;
Comprehensive Wireless Connectivity: Supports 2.4GH z Wi-Fi (IEEE 802.11 b/g/n) and Bluetooth V 4.2, including both traditional Bluetooth (BR/EDR) and Bluetooth Low Energy (BLE), with an onboard antenna for reliable and fast wireless communication.; Ample
Memory and Storage: Built-in 520KB Static RAM, 448KB ROM, and 2MB PSRAM, with an additional external 16MB Flash memory and a TF card slot for expandable storage, ensuring smooth operation and ample space for data storage.;
Interactive Touch Display: Features a 3.5 -inch capacitive touch IPS display with 320 × 480 resolution and 262K colors, powered by an ST7796 display driver and FT6336 capacitive touch chip, offering clear visuals and efficient SPI and I2C communication for low IO usage.;
Advanced Power Management: Integrates a PCF85063 RTC chip powered by a lithium battery through the AXP2101 chip, with a backup battery header to maintain RTC functionality during battery replacement. Includes a 3.7V MX 1.25 Lithium battery recharge/discharge header for convenient power management and optimization.