Waveshare 1.69inch ESP32-C5 Touch LCD Development Board, 240 × 280 Pixels, Supporting AI Voice Interaction Without Lithium Batt

1. Equipped with a high-performance RISC-V 32-bit processor and a low-power RISC-V 32-bit processor; the high-performance processor clock reaches up to 240 MHz, while the low-power processor clock reaches up to 48 MHz.
2. Integrates Wi-Fi 6, Bluetooth 5, and IEEE 802.15.4 (Zigbee 3.0 and Thread) wireless communication, delivering excellent RF performance.
3. Package built-in 8MB PSRAM and external 16MB Flash memory.
4. Uses a Type-C connector, eliminating worry about plug orientation.
5. Onboard 1.69-inch capacitive touch LCD screen with 240 x 280 resolution and 262K colors for clear displaying of colorful images.
6. Built-in ST7789V2 driver chip and CST816T capacitive touch chip, communicating via SPI and I2C interfaces respectively, without occupying excessive interface pin resources.
7. Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope).
8. Onboard PCF85063 RTC chip for easy implementation of Real-Time Clock functions.
9. Onboard RST, BOOT, and PWR power-on/off buttons.
10. Onboard 3.7V MX1.25 lithium battery charging and discharging interface.
11. Onboard ES8311 audio codec chip, microphone, and speaker interface, easily enabling Xiaozhi AI voice features.
12. Routes out GPIO, I2C, USB, and UART pads for external device connection and debugging, allowing flexible peripheral configuration.
13. Supports precise control such as flexible clock settings and independent module power configuration to achieve low-power modes across multiple scenarios.
14. Touchscreen features high light transmittance, fast response, and long lifespan.

LCD Screen Parameters:
1. Display Panel: IPS
2. Display Size: 1.69 inches
3. Display Resolution: 240 x 280 pixels
4. Display Colors: 262K
5. Display Brightness: 435 cd/m2
6. Contrast Ratio: 315:1
7. Communication Interface: SPI
8. Driver IC: ST7789V2
9. Touch Type: Capacitive Sensing
10. Touch IC: CST816T