M5Stack M5Stamp C3 Mate with Pin Headers

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M5Stack just added a new family to its popular series of modules with the Stamp-C3!

The new Stamp-C3 features an Espressif ESP32-C3 RISC-V MCU with Wi-Fi and Bluetooth 5 (LE) connectivity for IoT edge devices such as home appliances and Industrial Automation.

By combining RSA-3072-based secure boot and the AES-128-XTS-based flash encryption, M5Stack offers a more secure way to answer Bluetooth security concerns whilst also making it optimal for industrial IoT equipment, collecting sensor data within a factory or a building.

The Stamp-C3 is based on a 32-bit RISC-V microcontroller and operates at a maximum clock frequency of 160 MHz. With 400 KB of internal RAM and 4 MB Flash, it can facilitate many different use-cases involving connected devices. The Stamp-C3 provides full Bluetooth® 5.0 long-range (LR) support including long-range and mesh networking functions and achieves building devices with great coverage and improved usability. Furthermore, the exceptional heat resistance plastic enclosure is sustained at a higher operating temperature.


Multiple Styles

  • Three types of soldering options are available (SMT, DIP, flywire) with a high-temperature resistant plastic enclosure. Peak temperature = 230℃

High Integration

  • The Stamp-C3 features 5V->3.3V DC/DC design, GPIOx13, programmable RGB LED x1, Reset button x1, button x1 and a 3D antenna providing stable and reliable wireless communication.

Low Code Development

  • The Stamp-C3 is fully compatible with Arduino, ESP32-IDF and other mainstream development platforms to quickly build various applications (UIFlow support coming soon).

Package Contents

  • 1 x M5Stamp C3
  • 1 x Heat Resistant Sticker
  • 2 x 2.54-12P Pin
  • 2 x 2.54-10P Pin
  • 2 x 90° Grove Connector
  • 1 x M2 Hex Key


    Specifications Parameters
    ESP32-C3 32bit RISC-V single-core processor, clocked at 160 MHz
    Storage 384KB ROM, 400KB SRAM, 8KB RTC SRAM, 4MB FLASH
    Wi-Fi 2.4 GHz band supports 20 MHz and 40 MHz bandwidth, IEEE 802.11 b/g/n
    Bluetooth Bluetooth 5, mesh, rate support 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
    Input voltage 5V @ 500mA
    HMI Programmable button x 1, reset debugging button x 1, programmable RGB LED (SK6812) x 1
    USB interface TypeC x1
    Antenna Type 2.4G 3D Antenna
    Module peripheral interface resources ADC, GPIO, SPI, UART, I2C, I2S, PWM, RMT, DMA, USB serial port, TWAI
    IO interface x13 G21, G20, G9, G18, G19, G1, G0, G10, G8, G7, G6, G5, G4
    IO interface spacing 2.54mm
    Net weight 3.8g
    Product size 34 * 20 * 4.5mm
    Packing size 85*55mm sealing bag (translucent)


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