Switch Science, M5Stack's ultra-compact design "M5 Stamp" series new product "M5 Stamp C3 U" will be on sale from January 14, 2022
"M5 Stamp C3U" can use Wi-Fi and Bluetooth® 5.0 long-range (LR) functions. Combined with RSA-3072-based secure boot and AES-128-XTS-based Flash Encryption, it is more secure than traditional M5Stack in industrial IoT equipment that collects sensor data in factories and buildings. Provides Bluetooth security. Based on a 32-bit RISC-V microcontroller, it operates at a maximum frequency of 160 MHz, has 400 KB of internal RAM and 4 MB of flash, and can be used in a variety of use cases. In addition, the full-featured Bluetooth® 5.0 long-range (LR), including long range and mesh network capabilities, allows you to build wide-ranging, easy-to-use, building devices. In addition, the enclosure made of excellent heat resistant plastic supports high operating temperature. ▶ ︎Differences from M5Stamp C3 In "M5Stamp C3U", the USB conversion IC was omitted, and the USB type C port was directly connected to the ESP32-C3. The program is written using the USB serial function built into the ESP32-C3.
| Model | Master Master | IO quantity | USB chip | USB interface function |
| STAMP-C3 | ESP32-C3 | 13 | CH9102 | Write / Serial |
| STAMP-C3U | ESP32-C3 | 14 | - | Write / JTAG / CDC Serial |
▶ ︎ Features of "M5 Stamp C3 U"
▶ ︎ "M5 Stamp C3 U" specifications
Model number M5STACK-K122 Product name M5Stamp C3U Mate Price (including consumption tax) 979 yen Contents 1 x M5Stamp C3U
1 x sticker
1 x M2 hex wrench
2 x HY2.0-4P connector (90 ° Grove compatible connector)
1 x pin header 10P, 1 x pin socket 10P 1 x pin header 12P, 1 x pin socket 12P
Purchase page https://ssci.to/7894 ▶ ︎ About trademarks or registered trademarks
▶ ︎About switch science
Switch Science is working towards a world where technology can be used by more people as a tool. Specifically, we are engaged in the business of designing, manufacturing, or procuring and selling electronic components for electronic work in-house from Japan and overseas. In April 2021, we acquired the STEM teaching material business and IoT development cooperation business from the parent company 144Lab Co., Ltd., and expanded our business fields. Switch Science Co., Ltd. Corporate Information: https://info.switch-science.com/Twitter: https://twitter.com/ssciFacebook: https://www.facebook.com/SwitchScience