XIAO ESP32-C3 Board
XIAO ESP32-C3 Board - Image 2
XIAO ESP32-C3 Board - Image 3
XIAO ESP32-C3 Board - Image 4
XIAO ESP32-C3 Board - Image 5
XIAO ESP32-C3 Board - Image 6
XIAO ESP32-C3 Board - Image 7

XIAO ESP32-C3 Board

R179.00

Package Includes

  • 1x XIAO ESP32-C3 Board
  • 1x XIAO FPC Antenna A-01 (IPEX MHF-I / U.FL)
  • 2x 7-Way SIL Straight Pin Headers

Availability: 6 in stock

SKU: 2ME4002 Categories: , , ,
  • Price Includes VAT
  • Durban Stock

Features / Specs

  • Manufacturer: Seeed Studio
  • Part Number: 113991054
  • Main Chip: Espressif ESP32-C3FH4 (RISC-V 32-bit Single-Core Processor, Up to 160 MHz)
  • Antenna: External FPC antenna (Seeed XIAO FPC Antenna A-01, included), connects to the onboard Male IPEX MHF-I / U.FL Socket (Hirose U.FL-R-SMT-1) – the board has no onboard antenna
  • Flash Memory: 4 MB (in-package)
  • ROM: 384 kB
  • SRAM: 400 kB (16 kB used as cache) + 8 kB RTC SRAM
  • USB Interface: USB Type-C, connected directly to the ESP32-C3’s built-in USB Serial/JTAG controller (USB 2.0 full speed, 12 Mbps) – no USB-to-UART bridge chip
  • Power Input Options:
    • USB Type-C Socket: 5 VDC, through an onboard 500 mA fuse (shared with the VUSB pin)
    • VUSB Pin: Power input/output, connected directly to the USB Type-C VBUS line – an external 5 V source must be connected through a diode (Schottky, signal or power)
    • Battery Pads: 3.7 V lithium battery, soldered to the BAT pads on the back of the board (no battery connector), charged by the onboard ETA4054 charger at 380 mA (fast) / 40 mA (trickle) – no battery voltage monitoring pin
  • Power Switching: Runs from USB (or the VUSB pin) when connected, and from the battery otherwise – a diode stops the battery feeding back out of the VUSB pin
  • 3V3 Pin (Output): Regulated 3.3 V output from the onboard TLV75733P regulator, up to 500 mA (Seeed’s rating, tested with a 3.8 V battery input)
  • Operating Voltage Range (Chip): 3.0 – 3.6 V (supplied at 3.3 V by the onboard regulator)
  • I/O Logic Level: 3.3 V – inputs are rated to a maximum of VDD + 0.3 V, so the pins are not 5 V tolerant
  • Standby Current (Typical): 44 μA (deep sleep)
  • Communication Interface: USB / UART
  • Programming Support: Arduino / MicroPython / CircuitPython
  • Bootloader: Hold Boot while connecting USB to enter bootloader mode
  • Operating Temperature Range: -40 °C to +85 °C
  • Usable Peripherals (This Board): 11x programmable GPIOs (all PWM-capable) / 1x UART (UART0 on D6 / D7) / 1x I2C / 1x SPI / 4x ADC channels
  • Full Chip Capabilities (Not All Exposed on This Board): 22x programmable GPIOs (6 allocated to the in-package flash) / 3x SPI (SPI0 and SPI1 for flash, SPI2 general-purpose) / 2x UART / 1x I2C / 1x I2S / 2x 12-bit SAR ADC, up to 6 channels / 6x LED PWM channels / RMT, TWAI, GDMA, USB Serial/JTAG, temperature sensor
  • GPIO:
    • Usable: 11x programmable GPIOs on header pins D0 – D10 (GPIO2 / GPIO3 / GPIO4 / GPIO5 / GPIO6 / GPIO7 / GPIO21 / GPIO20 / GPIO8 / GPIO9 / GPIO10)
    • Analog: D0 – D2 use ADC1; D3 uses ADC2, which Seeed warns may stop working due to false sampling signals (Espressif notes ADC2 is not factory-calibrated and is inoperable on some chip revisions) – use D0 – D2 for reliable analog reads
    • Strapping Pins: GPIO2 (D0) / GPIO8 (D8) / GPIO9 (D9, also the Boot button) – their levels at reset set the boot mode, so keep external circuits from pulling them the wrong way at power-up
    • Used Onboard: GPIO0 / GPIO1 (32.768 kHz crystal), GPIO12 – GPIO17 (in-package flash)
    • Shared with USB: GPIO18 / GPIO19 (USB D- / D+) are used by the USB Type-C port and are not broken out to the header
    • Debug: Built-in USB Serial/JTAG over the USB Type-C port; JTAG pads on the back of the board (MTMS / MTDI / MTCK / MTDO / EN / GND), the same signals as D2 – D5
  • Onboard Peripherals:
    • Buttons: Reset, Boot (GPIO9)
    • LEDs: Red charge LED – no user-programmable LED
  • Pin Description: Pinout diagram in the product images; full pin map in the linked Seeed wiki
  • Certifications: FCC (FCC ID Z4T-XIAOESP32C3) / CE / Japan MIC (204-B00704)
  • Dimensions (L x W x H): ~(21 x 17.8 x 4.5 mm)
  • Number of Pins: 2x 7 pins (14 total)
  • Header Pin Pitch: 2.54 mm
  • Spacing Between Pin Rows (Centre to Centre): 15.24 mm
  • WiFi Protocols: IEEE 802.11b/g/n
  • WiFi Bandwidth: 20 MHz / 40 MHz
  • WiFi Data Rate (Max): 150 Mbps
  • WiFi Transmit Power (Max): +21 dBm (802.11b) / +20 dBm (802.11n)
  • WiFi Modes: Station / SoftAP / Station + SoftAP / promiscuous
  • Bluetooth Version: Bluetooth 5 (LE), Bluetooth mesh
  • Bluetooth Data Rates: 125 kbps / 500 kbps / 1 Mbps / 2 Mbps
  • Bluetooth Transmit Power (Max): +20 dBm
  • Bluetooth Receive Sensitivity: -105 dBm @ 125 kbps

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