Description The M5Stamp C3 Mate is an accessory kit for the Stamp-C3 minimal core board. It includes the Stamp-C3 module, high-temperature sticker, matching 12P and 10P headers, two HY2.0-4P female connectors, and a hex wrench, giving the M5Stamp C3 Mate the practical hardware needed for compact embedded designs. Built around the ESP32-C3 module, this Wi-Fi minimal core board uses a RISC-V 32-bit single-core processor running up to 160 MHz. The ESP32-C3 module provides 4MB flash, 400KB SRAM, USB-C access, security features, and 2.4 GHz Wi-Fi, making the M5Stamp C3 Mate suitable for small connected devices and custom IoT products. As a pin header kit, the package supports SMT, DIP, flying leads, and Grove-style wiring. Developers can use the pin header kit to expose power, GPIO, USB serial, and peripheral signals while keeping the M5Stamp C3 Mate small enough for smart home nodes, industrial automation, and DIY prototyping. Features ESP32-C3 module: RISC-V 32-bit single-core processor up to 160 MHz with 4MB flash and 400KB SRAM. Pin header kit format: the pin header kit includes 12P and 10P male and female headers for flexible prototyping. USB-C interface: the M5Stamp C3 Mate provides a Type-C interface for convenient connection and development. Flexible mounting: supports SMT, DIP, flying leads, HY2.0-4P connectors, and compact shell integration. Built-in interaction: programmable RGB LED, reset/debug button, and user button support setup and device feedback. Development platforms: Arduino IDE, ESP-IDF, and PlatformIO are supported. Compact RISC-V Integration The ESP32-C3 module gives this board Wi-Fi connectivity and security-oriented features in a compact package, while the included pin header kit helps builders move from bench wiring to embedded product testing. For small connected controllers, the ESP32-C3 module and pin header kit keep both software development and hardware access straightforward. Specifications SoC ESP32-C3 32-bit RISC-V single-core processor, up to 160MHz Flash 4MB SRAM 400KB ROM 384KB RTC SRAM 8KB Wi-Fi 2.4 GHz Wi-Fi, 802.11 b/g/n, supports 20/40MHz bandwidth, up to 150Mbps Input Voltage 5V@500mA Human-Machine Interaction 1 programmable physical button, 1 reset/debug button, 1 programmable RGB LED (SK6812) USB Interface USB Type-C x 1 Antenna 2.4G 3D antenna Peripheral Interface ADC, GPIO, SPI, UART, I2C, I2S, PWM, RMT, DMA, USB Serial, TWAI IO Pins G21, G20, G9, G18, G19, G1, G0, G10, G8, G7, G6, G5, G4 IO Pitch 2.54mm Mounting Screws M2 x 4 countersunk hex socket machine screw Product Size 34.0 x 20.0 x 4.6mm Product Weight 4.1g Package Size 138.0 x 93.0 x 10.0mm Gross Weight 9.4g Applications DIY prototyping: use the M5Stamp C3 Mate to build compact ESP32-C3 experiments with USB-C and exposed headers. Industrial automation: the ESP32-C3 module supports compact wireless control nodes, status indicators, and sensor endpoints. Smart home: create small Wi-Fi devices for switches, sensor nodes, room controllers, or appliance interfaces. Custom PCBs: the pin header kit helps expose GPIO and serial interfaces during early board bring-up. Education: the M5Stamp C3 Mate is useful for learning RISC-V ESP32 development through Arduino IDE, ESP-IDF, and PlatformIO. Product List 1 Stamp-C3 1 High-temperature resistant sticker 1 2.54-12P female header 1 2.54-12P male header 1 2.54-10P female header 1 2.54-10P male header 2 HY2.0-4P female connector (90 degree) 1 L-shaped 1.5mm hex wrench (compatible with M2 screws) Other Content Connection Planning The included pin header kit gives you 12P and 10P header options plus two HY2.0-4P right-angle female connectors. This makes the M5Stamp C3 Mate easier to wire during prototyping before the final soldered layout is fixed. Pin and Circuit Reference The ESP32-C3 module exposes 13 IO pins and common peripheral resources including ADC, SPI, UART, I2C, I2S, PWM, RMT, DMA, USB Serial, and TWAI. Review the pin map and schematic before assigning functions in a custom design. Mechanical Reference The 34.0 x 20.0 x 4.6mm board size helps the M5Stamp C3 Mate fit into compact housings, product prototypes, and embedded controller boards. Resources Official M5Stack product documentation ESP32-C3 datasheet M5Stamp C3 software examples FAQ What is included with this kit? The M5Stamp C3 Mate includes Stamp-C3, a high-temperature resistant sticker, 12P and 10P male and female headers, two HY2.0-4P female connectors, and one L-shaped 1.5mm hex wrench. Does this package include an ESP32 downloader? No. This pin header kit does not include an external ESP32 downloader. The board provides USB Type-C access for development. Which controller does the board use? It uses the ESP32-C3 module with a RISC-V 32-bit single-core processor, 4MB flash, and 2.4 GHz Wi-Fi. The ESP32-C3 module also provides the compact wireless base for custom controller boards. Can the M5Stamp C3 Mate be used with Arduino? Yes. The M5Stamp C3 Mate supports Arduino IDE as well as ESP-IDF and PlatformIO. Is there an official sale-page video? No official sale-page video was found, so the media gallery and description remain image-focused.
