Seeed Studio XIAO ESP32C3

Description

Features: 

• Seeed Studio XIAO ESP32C3 is an IoT mini development board.
• Powerful CPU: ESP32-C3, 32­bit RISC­-V single­core processor that operates at up to 160 MHz
• Complete Wi­Fi subsystem: Complies with IEEE 802.11b/g/n protocol and supports Station mode, SoftAP mode, SoftAP + Station mode, and promiscuous mode
• Bluetooth LE subsystem: Supports features of Bluetooth 5 and Bluetooth mesh
• Ultra-Low Power: Deep sleep power consumption is about 43μA
• Better RF performance: External RF antenna included
• Battery charging chip: Supports lithium battery charge and discharge management
• Rich on-chip resources: 400KB of SRAM, and 4MB of on-board flash memory
• Ultra small size: As small as a thumb(20×17.5mm) XIAO series classic form-factor for wearable devices and small projects
• Reliable security features: Cryptographic hardware accelerators that support AES-128/256, Hash, RSA, HMAC, digital signature and secure boot
• Rich interfaces: 1xI2C, 1xSPI, 1xI2S, 2xUART, 11xGPIO(PWM), 4xADC, 1xJTAG bonding pad interface
• Single-sided components, surface mounting design

XIAO ESP32C3 specifications:

• Wireless MCU –  Espressif Systems ESP32-C3 single-core RISC-V microcontroller @ 160 MHz with 400KB SRAM, 384KB ROM, 4MB flash Wi-Fi 4 & Bluetooth LE 5.0 connectivity
• Antenna – External u.FL antenna
• USB – USB Type-C port for power and programming
• Expansion I/Os
  • 2x 7-pin headers with 1x UART, 1x I2C, 1x SPI, 11x GPIO (PWM), 4x ADC, I2S
  • 3.3V I/O voltage (not 5V tolerant)
• Debugging – JTAG pads
• Misc – Reset button, Boot button, charging LED
• Power Supply
  • 5V via USB Type-C port
  • Support for LiPo batteries with battery charging chip, charging current: 50mA/100mA
  • Power consumption @ 5 V
    • 44 μA in deep sleep mode
    • WiFi – 74.4 mA in active mode, 24.4mA in modem-sleep mode, 3.6mA in light sleep mode
    • BLE – 26.8 mA in modem-sleep mode, 9.7 mA in light-sleep mode
• Dimensions – 21 x 17.5mm