Description
ESP32-S3 Touch LCD 3.5" Type B Development Board with Camera Interface
The ESP32-S3 Touch LCD 3.5" Type B is a high-performance, feature-rich development board equipped with a QSPI-based IPS touchscreen, camera interface, RTC, audio, and expansion ports. It’s ideal for building GUIs, AI vision applications, voice control, and advanced IoT solutions.
Key Features
- ESP32-S3R8 dual-core LX7 processor, up to 240 MHz
- 2.4 GHz WiFi (802.11 b/g/n), Bluetooth 5 (LE + Mesh)
- 3.5" IPS capacitive touchscreen, 320×480 pixels, 262K colors
- AXS15231B LCD controller via QSPI, FT6336 touch via I2C
- Camera interface supporting OV2640 / OV5640 modules
- RTC with battery backup (PCF85063 + SH1.0 connector)
- QMI8658 6-axis IMU (accelerometer + gyroscope)
- ES8311 audio codec, onboard mic & speaker output (MX1.25)
- 16 MB Flash, 8 MB PSRAM, 512 KB SRAM
- USB Type-C for power, debug and programming
- TF card slot, 2.54 mm GPIO header, UART, I2C support
- AXP2101 for efficient battery and power management
Version Options
- ESP32-S3-Touch-LCD-3.5B: Standard version without case
- ESP32-S3-Touch-LCD-3.5B-C: With case and 5 MP OV5640 camera
Highlights
- QSPI display interface for fast GUI rendering
- AI-ready: Offline speech recognition & online model access (e.g. DeepSeek)
- Camera support for visual AI & monitoring
- Smart power control & portable design options
Display Parameters
- Panel: IPS, Size: 3.5 inch
- Resolution: 320 × 480 pixels
- Color Depth: 262K
- Brightness: 210 cd/m²
- Contrast Ratio: 1000:1
- Interface: QSPI (display), I2C (touch)
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