Waveshare ESP32-S3 Touch LCD 3.5B-C 3.5 Inch 480×320 with OV5640 Camera

The Waveshare ESP32-S3 Touch LCD 3.5B-C is a powerful development module that offers a 3.5-inch TFT IPS touch display with a resolution of 480×320 pixels. The integrated capacitive multi-touch panel provides intuitive operation and is perfect for interactive applications. At its core operates the ESP32-S3 microcontroller, which provides not only high processing power but also modern connectivity with Wi-Fi 6 and Bluetooth LE. Particularly noteworthy is the integrated 5-megapixel OV5640 camera, which ensures sharp images and versatile project possibilities. With numerous interfaces, the module is flexibly expandable and supports a variety of peripheral devices. This makes it ideal for IoT projects, smart home applications, embedded systems, or prototyping. Developers also benefit from broad support through Arduino IDE and other common platforms.

Features:

• The 3.5-inch TFT IPS display features a resolution of 480×320 pixels.
• The capacitive multi-touch panel provides comfortable and precise inputs.
• The integrated ESP32-S3 controller offers Wi-Fi 6 and Bluetooth LE for modern wireless communication.
• The built-in 5-megapixel OV5640 camera allows high-resolution image capture up to 2592×1944 pixels.
• Multiple interfaces allow the connection of various peripheral devices.
• Broad support through Arduino IDE and other platforms makes entry easier.

Application Examples:

• Interactive controls in the smart home
• IoT projects with image and sensor data acquisition
• Prototyping of embedded systems with display interface
• Use as a portable user interface for custom electronic projects

Documentation:

• Waveshare Wiki
• LVGL Github
• SquarLine Studio

Board:

1. ESP32-S3R8
   SoC with WiFi and Bluetooth, up to 240 MHz clock speed, with 8 MB PSRAM onboard
2. Onboard antenna
3. W25Q128JVSIQ
   16 MB NOR-Flash
4. Camera interface
   Supports common cameras like OV5640 / OV2640
5. TF card slot
6. IPEX 1 antenna connector
   Reserved connection, activatable by resoldering an onboard resistor
7. MX1.25 speaker connector
8. BOOT
9. RESET
10. PWR
11. AXP2101
    Highly integrated power management IC
12. Charging indicator
13. USB Type-C port
14. ES8311
    Power-saving audio codec chip
15. Power supply indicator
16. Microphone
17. SH1.0 RTC backup battery connector
    For connecting a rechargeable RTC battery
18. MX1.25 lithium battery connector
    MX1.25 2-pin connector for 3.7V lithium battery, supports charging and discharging
19. 2.54 mm GPIO header
    Allows access to available IO pins for easy expansions
20. PCF85063
    RTC chip
21. QMI8658
    6-axis IMU with 3-axis gyroscope and 3-axis accelerometer

Technical Specifications:

• Manufacturer: Waveshare
• Manufacturer SKU: 31334
• Microcontroller: ESP32-S3R8
• Processor: ESP32-S3R8, Xtensa® 32-bit LX7 Dual-Core, up to 240 MHz
• Memory: 512 KB SRAM 384 KB ROM
• PSRAM: 8 MB
• Storage: 16 MB Flash 
• Communication: 2.4 GHz Wi-Fi 6 (802.11 b/g/n), BLE
• Antenna: Onboard antenna
• Camera: OV5640, 5 MP (2592×1944)
• Display: 3.5" Inch IPS, capacitive touch
• Resolution: 320 × 480 pixels
• Colors: 262K
• Brightness: 210 cd/㎡
• Contrast ratio: 1000:1
• Driver IC: AXS15231B
• Display interface: QSPI
• Touch interface: I²C
• Sensor: QMI8658: 6-axis IMU (3-axis accelerometer + 3-axis gyroscope)
• RTC: PCF85063 RTC chip (real-time clock), powered by main battery via AXP2101
• Charge control: AXP2101 Power Management IC (Multi-voltage, Charging/Discharging, Battery Management)
• Buttons: BOOT and PWR button (freely programmable)
• Audio Codec: ES8311 (enables speaker/microphone connection if provided)
• USB: USB-Type-C (Power supply, programming, debugging)
• Battery connector: MX1.25 connector for 3.7V lithium battery, supports charging/discharging
• GPIOs: Multiple I²C, UART, USB and freely usable GPIO pins (2.54 mm header)
• TF card slot: For MicroSD, 
• Dimensions: 96 × 64 × 15 mm
• Weight: 98 g

Package Contents:

• 1× Waveshare ESP32-S3 Touch LCD 3.5B-C 3.5 Inch 480×320 with OV5640 camera