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Stamp-C3

SKU:C056-B/K056

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Quick-Start

ESP-IDF ESP-IDF
ESP-IDF
This tutorial will show you how to control STAMP-C3 devices through the IDF programming platform

Description

M5Stack just added a new family to its popular series of modules with the Stamp-C3. the new Stamp-C3 featuring ESPRESSIF ESP32-C3 RISC-V MCU with Wi-Fi 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, while also make it optimal for industrial IoT equipment collecting sensor data within a factory or a building.

The Stamp-C3 is based on 32-bit RISC-V micro controller 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. Furthermore, the exceptional heat resistance plastic enclosure is sustained at a higher operating temperature.

Note: If you need to use SPIFFS filesystem in Arduino IDE. Please install a patch package first.

Features

  • MULTIPLE STYLE:

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

  • HIGH INTEGRATION:

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

  • LOW-CODE DEVELOPMENT:

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

Applications

  • DIY Prototyping
  • Home Appliances
  • Industrial Automation

Specifications

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 protocol, data rate up to 150 Mbps
Input voltage 5V @ 500mA
HMI Programmable physical 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
Fixing screw specifications M2*4 countersunk head hexagon socket mechanical teeth
Net weight 3.8g
Product size 34 * 20 * 4.6mm
Packing size 136*92*5mm

Include

  • Purchase link

  • M5Stamp C3 (5pcs):

    • 5 x M5Stamp C3
    • 5 x Heat Resistant Sticker

  • Purchase link

  • M5Stamp C3 Mate:

    • 1 x M5Stamp C3
    • 1 x Heat Resistant Sticker
    • 1 x 2.54-12P female header
    • 1 x 2.54-12P male header
    • 1 x 2.54-10P female header
    • 1 x 2.54-10P male pin header
    • 2 x 90° HY2.0-4P terminals
    • 1 x 1.5mm hex key

Driver Installation

Click the link below to download the driver that matches the operating system. select the installation package corresponding to the number of operating systems to install. During the installation process of CH9102_VCP_SER_MacOS v1.7, an error may occur, but the installation is actually completed, just ignore it.) When using it, if If the program cannot be downloaded normally (the prompt is overtime or Failed to write to target RAM), you can try to reinstall the device driver.
Driver name Applicable driver chip Download link
CH9102_VCP_SER_Windows CH9102 Download
CH9102_VCP_SER_MacOS v1.7 CH9102 Download
Port Selection on MacOS
On MacOS, there may be two available ports. When using them, please select the port named wchmodem.

PinMap

SK6812 (RGB LED) and Button

ESP32 GPIO2 GPIO3
SK6812 DI /
Button / SW

Schematic

Module size

  • C3&C3U

The shell supports Reflow Profile

Example

Arduino

ESP-IDF

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