1. Display panel: electronic ink screen
2. Display size: 1.54 inches
3. Display resolution: 200 x 200
4. Gray level: 2
5. Communication interface: SPI
6. Global refresh: 20 seconds
7. Fast refresh: 15 seconds
8. Display color: red, yellow, black, white
9. Viewing angle: 170 degrees
10. Display mode: reflective
11. This product is an ink screen AIoT development board, equipped with ESP32-S3 microcontroller, supporting Wi-Fi and BLE dual-mode communication
12. Built-in 1.54-inch electronic ink screen, with extremely low power consumption, visible in ambient light, suitable for portable devices and long battery life scenarios
13. Integrated RTC real-time clock, SHTC3 temperature and humidity sensor, Micro SD card slot, low-power audio codec chip circuit, and lithium battery charge and discharge management circuit
14. Reserved USB, UART, I2C, and GPIO expansion interfaces for convenient function expansion and sensor connection, providing a flexible and reliable development platform for IoT terminals, electronic tags, and portable displays, etc.
15. Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240 MHz
16. Supports 2.4GHz Wi-Fi and Bluetooth 5 (LE), with built-in internal antenna
17. Built-in 512KB SRAM and 384KB ROM, and simultaneously stacked integrated 8MB Flash and 8MB PSRAM
18. Equipped with 1.54-inch electronic ink screen, resolution 200 x 200, with high contrast and wide viewing angle characteristics
19. Built-in audio codec chip, supporting voice acquisition and playback, facilitating the realization of AI voice interaction applications
20. Built-in PCF85063 RTC real-time clock and SHTC3 temperature and humidity sensor, capable of achieving precise RTC time management and temperature/humidity monitoring
21. Built-in Micro SD card slot, allowing external connection of Micro SD cards for storing images or files
22. Built-in PWR and BOOT two customizable side buttons, facilitating the development of custom functions through button usage
23. Reserved 2 x 6 2.54mm spacing pinout interfaces for convenient customer external expansion usage