ESP32-C3-based M5Stamp C3U Released

Shenzhen, China
Feb 28, 2022

With a 32-bit RISC-V microcontroller, a 400 KB internal RAM, and a 4 MB Flash, M5Stamp C3U operates at a maximum clock frequency of 160 MHz, facilitating a variety of use cases.

The newly released M5Stamp C3U features an Espressif ESP32-C3 RISC-V MCU, with Wi-Fi and Bluetooth 5 (LE) connectivity. It is applicable to a great variety of use cases, including DIY, prototyping, industrial automation, smart-home appliances, wearable and medical devices, as well as consumer electronics. Its compact size and powerful functions make M5Stamp C3U a truly useful device. By combining an RSA-3072-based secure boot and an AES-128-XTS-based flash encryption, ESP32-C3, which is at the heart of M5Stamp C3U, offers secure Bluetooth connectivity.

The M5Stamp C3U is based on a 32-bit RISC-V microcontroller, it supports 400 KB of internal RAM and 4 MB of Flash, and it operates at a maximum clock frequency of 160 MHz. The M5Stamp C3U provides full support for Bluetooth 5.0, including long-range and mesh networking, thus enabling great coverage and improved usability. Furthermore, the exceptional, heat-resistant, plastic enclosure can remain intact even at 250℃.

Product Features

  • Three types of soldering options available: SMT, DIP, flywire
  • High-temperature-resistant plastic enclosure with a maximum temperature of 250℃
  • M5Stamp C3 contains 5V->3.3V DC/DC design, GPIOx14
  • USB Type C port
  • Programmable RGB LED x1, Reset button x1, button x1
  • 3D antenna, providing stable and reliable wireless communication
  • Development platforms: ESP-IDF & Arduino

You can find all the details about M5Stamp C3U by visiting the official website of M5Stack.

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