Description
This product is a high-performance, highly integrated microcontroller development board designed by Waveshare. It is equipped with a 3.5inch capacitive high-definition IPS screen, a highly integrated power management chip, RTC, low-power audio codec chip and other peripherals, which are convenient for development and embedding into the product. No assembly or wiring is required, so it's easy to play with Xiaozhi AI.
Features
- Powered by the ESP32-D0WDR2-V3 high-performance Xtensa 32-bit LX6 dual-core processor, with a main frequency of up to 240 MHz
- Supports 2.4 GHz Wi-Fi (802.11 b/g/n) with speeds up to 150 Mbps
- Bluetooth v4.2 full standard, including Classic Bluetooth (BR/EDR) and Bluetooth Low Energy (Bluetooth LE)
- Built-in 520 KB SRAM and 448 KB ROM, with stacked 2 MB PSRAM and external 16 MB Flash
- Features a Type-C interface, enhancing user convenience and device compatibility
- Built-in 3.5inch capacitive touch high-definition IPS display with a resolution of 320×480, 262K colors for clear color pictures
- Embedded with ST7796 driver chip and FT6336 capacitive touch chip, communicating through SPI and I2C interfaces respectively, minimizes required IO pins
- Onboard PCF85063 RTC chip; when a battery is connected, it keeps time even when powered off
- Onboard PWR and BOOT side buttons, configurable for custom function development
- Onboard 3.7V MX1.25 lithium battery charge/discharge interface
- I2C, UART, and multiple GPIOs are broken out for external device connection and debugging, allowing flexible peripheral configuration
- Onboard TF card slot, providing expanded storage, fast data transfer, and flexibility, suitable for data logging and media playback, simplifying circuit design
- Using AXP2101 offers benefits such as efficient power management, support for multiple output voltages, charging and battery management functions, and optimization of battery life
Onboard Resource
- ESP32-D0WDR2-V3 (back side) Wi-Fi and Bluetooth SoC, 240 MHz clock, 2MB PSRAM
- 16MB NOR Flash (back side)
- IPEX1 connector Switching to use the external antenna via resoldering an onboard resistor
- Onboard antenna
- TF card slot
- MX1.25 speaker header
- BOOT button
- RESET button
- PWR Button Default long press for 6s to power off, short press to power on
- AXP2101 Highly integrated power management chip
- Charging indicator
- Power indicator
- Type-C port
- Microphone
- PCF85063
- RTC clock chip
- ES8311 Low-power audio codec chip
- 2.54mm pitch GPIO header Brings out available IO function pins for easy expansion
- MX1.25 lithium battery header MX1.25 2PIN connector for connecting a 3.7V lithium battery, supports charging and discharging