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Feature:ESP32-S3-Touch-LCD-3.5B is a high-performance, highly integrated MCU board designed by Waveshare. Onboard 3.5inch capacitive touch IPS display, power management IC, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), RTC, low power audio codec, and so on, which makes it easy for you to develop and integrate into the products quickly.
Key features include:1. Equipped with ESP32-S3R8 Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna3. Built in 512KB of SRAM and 384KB ROM, with onboard 8MB PSRAM and an external 16MB Flash memory4. Type-C connector, improving device compatibility, easier to use5. Onboard 3.5inch IPS capacitive touch display for clear color picture display, 320 × 480 resolution, 262K color6. Built-in AXS15231B LCD & touch controller, using QSPI and I2C communication respectively7. Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope) for detecting motion gestures, counting steps, etc.8. Onboard PCF85063 RTC chip, powered by main Lithium battery through AXP2101 chip, with reserved RTC battery header for connecting a backup battery, ensuring RTC function during the replacement of the main battery9. Onboard PWR and BOOT programmable buttons for easy custom function development10. Onboard 3.7V MX1.25 Lithium battery recharge/discharge header11. Adapting I2C, UART, USB, and multiple GPIO pins, for connecting peripherals and debugging12. Onboard TF card slot for extended storage and fast data transfer, suitable for applications such as data recording and media playback, simplifying circuit design13. Onboard camera interface, compatible with mainstream cameras such as OV2640 and OV564014. Adopts AXP2101 IC for efficient power management, supports multiple voltage outputs, battery charging, battery management, and battery life optimization, etc.
LCD Parameters:
| Display Panel | IPS | Display Size | 3.5 inch |
| Resolution | 320 × 480 pixels | Display Colors | 262K |
| Brightness | 210 cd/ | Contrast Ratio | 1000:01:00 |
| Driver IC | AXS15231B | Touch Type | Capacitive |
| Display Interface | QSPI | Touch Interface | I2C |
Package includes:
1 x ESP32-S3-Touch-LCD-3.5B1 x 6 1W speaker
or
1 x ESP32-S3-Touch-LCD-3.5B-C with case and OV5640 camera
