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ESP32-S3 Datasheet
ESP32-S3 Wi-Fi And Bluetooth LE Development Board For AIoT Prototyping And Embedded USB Connectivity
The 7Semi ESP32-S3-DevKitC-1 development board is a practical choice for engineers, students, and product teams building Wi-Fi and Bluetooth LE-enabled embedded systems. Based on the ESP32-S3 series, this board exposes most available GPIOs through pin headers, making it well-suited for fast prototyping, breadboard testing, and direct peripheral interfacing. It supports AIoT-focused development with dual-core processing, wireless connectivity, USB support, and flexible memory options across multiple variants.
This ESP32-S3 development board is suitable for smart-home devices, voice-enabled systems, smart control panels, speech recognition, face detection, and connected industrial prototypes. With support for 2.4 GHz Wi-Fi, Bluetooth 5, USB OTG, USB-to-UART communication, and up to 16 MB Flash with up to 8 MB PSRAM in listed variants, it helps simplify firmware flashing, debugging, and application development. The board is available in PCB-antenna and external-antenna versions to match different enclosure and signal requirements.
Key Features And Benefits

Dual-Core Processing: Built on the ESP32-S3 SoC with an Xtensa dual-core 32-bit LX7 microprocessor for responsive embedded control and wireless application handling.
Wireless Connectivity: Supports 2.4 GHz Wi-Fi 802.11 b g n and Bluetooth 5 Low Energy for connected IoT and AIoT applications.
GPIO Breakout Design: Most I O pins are broken out to side headers for easy wiring, expansion, and breadboard-based prototyping.
Multiple Memory Options: Available in variants with 4 MB or 16 MB Flash and 8 MB PSRAM for application flexibility.
USB Connectivity: Includes USB Type-C connectivity and on-board USB-to-UART support for power, flashing, serial communication, and development workflows.
USB OTG Support: ESP32-S3 full-speed USB OTG interface supports USB 1.1 compliant communication and JTAG debugging.
On-Board Controls: Boot and Reset buttons simplify firmware download mode access and board restart operations.
Visual Status Indicators: Includes a 3.3 V power-on LED and an addressable RGB LED driven by GPIO38.
Power Regulation: Integrated 5 V-to-3.3 V LDO ensures stable operating voltage for the module and board circuitry.
Antenna Flexibility: Offered in PCB-antenna and external-antenna connector versions depending on the selected module variant.