M5Stack Launched a 32-bit RISC-V Bluetooth Module embedded with Espressif-C3 Chipset

M5Stack Launched a 32-bit RISC-V Bluetooth Module embedded with Espressif-C3 Chipset

M5Stack just added a new family to its popular series of modules with the Stamp-C3. the new Stamp-C3 features 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 the Bluetooth security concerns, while also making it optimal for industrial IoT equipment collecting sensors 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.

Product Features

  • MULTIPLE STYLE: Three types of soldering options are available(SMT, DIP, flywire), 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 is fully compatible with Arduino, ESP32-IDF, and other mainstream development platforms to quickly build various applications. (UIFlow support coming soon)


  • DIY Prototyping
  • Home Appliances
  • Industrial Automation

more information: https://shop.m5stack.com/products/m5stamp-pico-5pcs

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About mixos

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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Bram Stolk

I love this controller. I used it in my airQplot project.

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