5Pcs STM32F103C8T6 ARM Minimum System Development Board Module for Arduino, 501 Original

Features:Compact and lightweight, easy to carry.On-board Mini USB interface, you can give the board power supply and USB communication.With voltage stabilizing chip, it is convenient for Micro USB interface plug into.With High quality double row pin loader ensure good conductive contact.Using SWD debugging interface, which needs three interface to complete debug download task at least.Built-in adjustable 8 MHz RC oscillator.Built-in 40 kHz RC oscillator with calibration.With adjustable 32 kHz RTC oscillator.Specification:Model: STM32F103C8T6.Core: ARM 32 Cortex-M3 CPU.Debug mode: SWD.72MHz work frequency.64K flash memory, 20K SRAM.2.0-3.6V power, I/O.Reset(POR/PDR).4-16MHz crystal.12-bit analog-digital converter: 2pcsI/O port: 37pcsTIMx: 3pcs; Advanced timer: 1pcSPII/SPI2: 2pcsI2C1/12C2: 2pcsUSART1/USART2/USART3: 3pcsFull Speed USB2.0: 1pcActive 2.0B: 1pcSize: approx. 55 x 22 x 6mm/2.16 x 0.86 x 0.23\\'\\'Weight: approx. 6gNote: As different computers display colors differently, the color of the actual item may vary slightly from the above images, thanks for your understanding.Package Content:5 x ARM Minimum System Development Board Module