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ESP32-S3 Type B Development Board – 3.5" Capacitive Touch IPS Display, 320x480, Wi-Fi & Bluetooth 5
· MPN: 31137
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An ESP32-S3 development board with a built-in 3.5" IPS capacitive touchscreen display (320×480, 262K colours). Powered by the dual-core Xtensa LX7 processor ...
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An ESP32-S3 development board with a built-in 3.5" IPS capacitive touchscreen display (320×480, 262K colours). Powered by the dual-core Xtensa LX7 processor running at up to 240 MHz with Wi-Fi and Bluetooth 5 (LE) connectivity, this board is designed for interactive IoT devices, smart home interfaces, and AI speech applications.
Packed with onboard sensors (6-axis IMU, RTC), audio input/output, a camera interface, and a TF card slot, it provides a comprehensive platform for developing touchscreen-based embedded projects using ESP-IDF or Arduino IDE.
Key Features
- ESP32-S3R8 Dual-Core – Xtensa LX7, up to 240 MHz
- 3.5" IPS Capacitive Touch Display – 320 × 480 resolution, 262K colours
- Wi-Fi & Bluetooth 5 – 2.4 GHz 802.11 b/g/n + BLE 5
- Extended Memory – 512 KB SRAM, 384 KB ROM, 8 MB PSRAM, 16 MB external flash
- 6-Axis IMU (QMI8658) – Accelerometer + gyroscope for gesture detection
- RTC (PCF85063) – Real-time clock with backup battery header
- Audio I/O – Integrated audio input and output for voice interaction
- Camera Interface – Compatible with OV2640 and OV5640 modules
- TF Card Slot – Expandable storage
- USB-C Connector – For power and programming
- Multiple GPIO Pins – For expansion and customisation
Specifications
- Processor: ESP32-S3R8 (Xtensa 32-bit LX7 dual-core, up to 240 MHz)
- Display: 3.5" IPS, 320 × 480, capacitive touch, 262K colours
- Display Interface: QSPI
- Touch Interface: I²C
- Wireless: 2.4 GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 (LE)
- Memory: 512 KB SRAM, 384 KB ROM, 8 MB PSRAM, 16 MB Flash
- Sensors: QMI8658 6-axis IMU, PCF85063 RTC
- Connector: USB-C
Ideal For
- IoT device interfaces and smart home panels
- AI speech interaction and voice control
- Touchscreen-based embedded applications
- Camera and sensor projects
- Home automation dashboards
Package Contents (Standard Version)
- 1× ESP32-S3 3.5" Capacitive Touch Display Development Board
- 1× 6 Ω 1 W Speaker
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- BLE
- BLE stands for Bluetooth Low Energy, a Bluetooth mode designed for lower power use and modern phone compatibility. It matters because BLE support can make the module easier to use with Apple devices and battery-powered projects, though it may behave differently from classic serial Bluetooth.
- ESP-IDF
- ESP-IDF is Espressif’s official software development framework for ESP32-family chips. It gives more direct control over the hardware than beginner-style environments, which can help with advanced features like Wi-Fi, Bluetooth, audio and power management.
- ESP32
- ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- GPIO
- General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
- Gyroscope
- A gyroscope measures rotation, such as how fast a board is turning around its X, Y, and Z axes. This matters for projects like gesture controls, balancing robots, and motion tracking where tilt or rotation changes need to be detected.
- IDE
- Short for Integrated Development Environment, a program used to write, run and manage code. It matters because some learners prefer a traditional coding workspace instead of a guided notebook-style lesson.
- IMU
- An Inertial Measurement Unit combines motion sensors to measure movement and orientation. It matters for asset tracking because it can detect movement, tilt, vibration, or changes in direction.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- IPS
- IPS is a type of LCD panel that keeps colours and contrast more consistent when viewed from an angle. This matters for small displays that may be mounted in a dashboard, handheld project, or enclosure where the viewer is not always looking straight on.
- OV5640
- A specific camera sensor chip that captures still images or video data for a microcontroller or processor. The exact sensor matters because code examples, wiring, resolution, autofocus support and data format depend on the chip model.
- RTC
- A Real-Time Clock keeps track of time even when the main processor is asleep or powered down, usually with a small backup battery. It matters for data logging and tracking projects that need accurate timestamps.
- SRAM
- Fast temporary memory used by a processor while a program is running. More SRAM helps with projects that handle larger data buffers, networking, displays, or more complex code.
- USB-C
- A modern reversible USB connector used for power and data connections. On this product it matters because it can connect directly to a computer as well as to a microcontroller project.
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