Microcontroller

STMicroelectronics STM32F103VGT6

• Core: ARM Cortex-M3
• Frequency: 72 MHz (max.)
• Flash: 1 MiB
• RAM: 96 KiB

External connectors

• USB Type-B (power, virtual COM port, JTAG programming and debugging, microcontroller as device)
• 12-pin GPIO and power header

On-board peripherals

• 8× push buttons
• 8× slide switches
• 16× LEDs
• 4× 7-segment displays with decimal point
• 1× Photoresistor
• 1× LSM6DSL digital intertial measurement unit with 3-axis accelerometer and 3-axis gyroscope

Electrical specifications

• Input voltage: 5V DC (USB connector)
• Input current: 250 mA (max.)

Mechanical specifications

• Size: 116mm × 76mm × 20mm

Supported firmware development tools

• RTOS: Zephyr RTOS
• Bare-metal (with HAL): STMicroelectronics STM32CubeMX