- Drag-and-drop programming with mass storage via USB; 28 x multi-function GPIO pins; 2 x SPI; 2 x I2C; 2 x UART; 4 x 12 bit; 16 x controllable K - Dual core arm M0+ processor with flexible clock up to 150 MHz; 520 KB RAM and 4 MB onboard flash memory - Accurate clock and timer; on-chip temperature sensors; accelerated floating-point libraries; 12x programmable I/O state machines for on-chip peripherals - The development board allows direct soldering to carrier boards; USB 1.1 with devices and host power saving mode Use scenarios: - Rapid prototyping for data logging and USB mass storage in field deployments, with flexible I/O and memory options - Real-time control and peripheral management using multiple SPI, I2C, UART channels and programmable I/O state machines - Compact, low-power edge applications that leverage onboard temperature sensing, floating-point support, and USB power saving modes Key attributes: - Function: supports drag-and-drop programming, USB storage, multiple communication interfaces, and programmable I/O - Compatibility: multi-pin GPIO, SPI, I2C, UART, and on-board flash suitable for embedded projects - Size and integration: designed for direct soldering to carrier boards for modular use - Performance: dual ARM M0+ cores, up to 150 MHz, with on-chip libraries and sensors for efficient operation - Reliability: dedicated clock, timer, and temperature monitoring for stable timing and environment awareness