The ALIENTEK STM32F103ZET6 is an all-in-one development board that includes the STM32F103ZET6 ARM Cortex-M3 microcontroller. It features 32-bit ARM-Cortex-M3, running at 72MHz with 128 KB flash memory and 8 KB SRAM. The board comes equipped with integrated debugging, standard I/O ports, analog and oscilloscope-ready functionality (which makes it great for a variety of projects). The board also has LED indicators, an onboard temperature/humidity/pressure sensor, and an expansion slot which can accept plug-in i/os, including a 2.4GHz Wi-Fi module and various sensors. ALIENTEK also includes a RoHS-compliant development kit with the board, which includes all necessary components - including developer tools, libraries, and utilities. This board provides an excellent platform for applications ranging from medical devices, robotics, industrial automation, aerospace, automotive, and more.