7Semi ESP32-S3-Dev-BoardC-1-N8R2 WiFi + Bluetooth Development Board: Power Your IoT and Embedded Projects with Efficiency

The 7Semi ESP32-S3-Dev-BoardC-1-N8R2 is a high-performance development board engineered for IoT prototyping, wireless connectivity, and embedded applications. Powered by the ESP32-S3-WROOM-1 module, it is equipped with an Xtensa dual-core 32-bit LX7 microprocessor that delivers robust computing power while supporting advanced multitasking. With built-in 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5.0, this board is ideal for IoT devices, BLE projects, and wireless communication systems. Its 8 MB Flash memory and 2 MB PSRAM (both via Quad SPI) ensure ample space for large applications and smooth data processing.

Designed with versatility in mind, the board breaks out most GPIO pins to dual pin headers, simplifying integration with sensors, actuators, and external modules. Featuring dual USB-C ports (USB-to-UART and USB OTG), Boot and Reset buttons, an addressable RGB LED, and a compact PCB antenna, the 7Semi ESP32-S3-Dev-BoardC-1-N8R2 ensures a developer-friendly experience with reliable wireless performance. This makes it an excellent choice for engineers, makers, students, and professionals working on smart devices, embedded systems, and next-generation IoT solutions.

Specifications:

• SoC: ESP32-S3-WROOM-1 (Dual-core Xtensa® LX7)
  
• Wireless: Wi-Fi 2.4 GHz, Bluetooth 5 LE
  
• RAM / Flash: 2MB PSRAM, 8MB Flash
  
• USB Ports: 2 × USB-C (OTG + JTAG/Serial)
  
• Interfaces: I2C, SPI, UART, ADC, PWM, CAN (TWAI®), GPIO
  
• Operating Voltage: 3.3V logic (5V via USB input)
  
• RGB LED: SK6812
  
• Power Modes: Active, Modem-sleep, Light-sleep, Deep-sleep
  
• Sleep Current: ~7 µA (deep-sleep mode)
  
• Board Size: Approx. 71mm x 26mm
  
• Board Weight: 9 gm
  
• Dev Environment: Arduino, ESP-IDF, PlatformIO
  
• Boot Button: Download button. Holding down Boot and then pressing Reset initiates Firmware Download mode for downloading firmware through the serial port.
  
• Reset Button: Press this button to restart the system

Key Features

• High-Performance Processor: Xtensa dual-core 32-bit LX7 microprocessor for efficient multitasking and fast computing.

• Wireless Connectivity: Integrated 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5.0 for IoT and BLE projects.

• Ample Memory: 8 MB Flash and 2 MB PSRAM (Quad SPI) for complex applications and data handling.

• Efficient Power Regulation: Onboard 5 V to 3.3 V LDO ensures stable voltage for reliable performance.

• Comprehensive Pin Headers: Breakout of all available GPIO pins (except SPI bus for flash) for flexible interfacing.

• Dual USB-C Ports: USB-to-UART for programming and communication, USB OTG (USB 1.1 compliant) for JTAG debugging and data transfer.

• Boot and Reset Buttons: Simplify firmware flashing and system restarts.

• USB-to-UART Bridge: Supports up to 3 Mbps transfer rates for smooth communication.

• RGB LED Indicator: Addressable LED controlled by GPIO38 for status feedback and visual alerts.

• 3.3 V Power-On LED: Clear indication of power status when USB is connected.

• Compact PCB Antenna: Provides stable and reliable wireless connectivity in all environments.