Description The M5Stack Stamp-AddOn C6 For P4 is a Wi-Fi expansion module based on the ESP32-C6-MINI-1-N4, designed to add 2.4GHz Wi-Fi 6 wireless communication to ESP32-P4 series modules. It connects to Stamp-P4 through the onboard 0.4mm 20-pin SDIO interface for high-speed wireless expansion. This Wi-Fi 6 SDIO module helps developers build connected embedded products such as smart security gateways, industrial HMI interactive terminals and complex edge AI nodes. It pairs the Stamp-P4 host with an ESP32-C6 wireless controller, 4MB Flash, UiFlow2 support and Arduino IDE development support. Features ESP32-C6-MINI-1-N4 core controller. 4MB Flash for wireless co-processor firmware. 2.4GHz Wi-Fi 6 wireless protocol. 0.4mm 20-pin SDIO onboard interface adapted for Stamp-P4. High-speed communication with Stamp-P4 through SDIO. Development support for UiFlow2 and Arduino IDE. Compact add-on module for fast wireless expansion of ESP32-P4 projects. Specifications Specification Parameter SoC ESP32-C6FH4, RISC-V 32-bit single-core processor 160 MHz + RISC-V 32-bit low-power co-processor 20 MHz Flash 4MB DC-DC SY8089AAAC Input Voltage DC 5V Module Resource Interface SDIO SDIO Interface Specification HC-PBB40C-20DP-0.4V-02 Adapted Device Stamp-P4 Wireless Protocol 2.4GHz Wi-Fi 6 Operating Temperature 0 ~ 40C Product Size 27.0 x 18.0 x 4.0mm Product Weight 1.6g Package Size 138.0 x 93.0 x 6.0mm Gross Weight 5.7g Applications Smart security gateways. Industrial HMI interactive terminals. Complex edge AI nodes. Wireless connectivity expansion for Stamp-P4 projects. Product List 1 x Stamp-AddOn C6 For P4 1 x M1.2 * 3mm cap head machine screw 1 x Hex Key L-Shape 0.9mm (For M1.2 Screw) Other Content Installation The module is designed for the Stamp-P4 SDIO expansion interface. Follow the installation diagram in the product documentation before powering the host device. Arduino Wi-Fi Example The Stamp-P4 Wi-Fi example states that Wi-Fi functionality is used together with the Stamp-AddOn C6 For P4 module. Confirm that the module is properly connected before compiling and running the example. Host Compatibility Stamp-P4 documentation lists the SDIO expansion interface as the connection point for Stamp-AddOn C6 For P4, allowing 2.4GHz Wi-Fi 6 to be added to Stamp-P4-based projects. Resources Product Documentation for Stamp-AddOn C6 Stamp-P4 Wi-Fi Arduino Example Stamp-P4 Product Documentation Schematics PDF for Stamp-AddOn C6 Model Size PDF for Stamp-AddOn C6 ESP32-C6 Datasheet FAQ What is the M5Stack Stamp-AddOn C6 For P4 used for? It adds 2.4GHz Wi-Fi 6 wireless connectivity to Stamp-P4 projects through an onboard SDIO expansion interface. Which controller does this Wi-Fi 6 SDIO module use? It is based on the ESP32-C6-MINI-1-N4 / ESP32-C6FH4 wireless controller with 4MB Flash. How does it connect to Stamp-P4? It communicates with Stamp-P4 through a 0.4mm 20-pin SDIO onboard interface. Which development platforms are supported? The product documentation lists UiFlow2 and Arduino IDE development support. What host device is it adapted for? The module is adapted for Stamp-P4 and is intended for ESP32-P4 series module wireless expansion. What is included in the package? The documented package includes the Stamp-AddOn C6 For P4 module, an M1.2 * 3mm cap head machine screw and a 0.9mm L-shape hex key for the screw.