Main Features:<br />On-board STM32F103C8T6 chip， JTAG port and reset button<br />32.768KHz and 8MHz oscillator<br />Comes with 5V to 3.3V chip AMS1117-3.3<br />With UART serial port， leads out all I/O ports<br />On-board Mini USB port<br /><br />    Specifications<br />General<br />	 Type: Development board                                                  <br />                        Model: STM32F103RBT6                                                  <br />                        Material: CCL                                                	<br />Electronic Components<br />	 Operating Voltage: 3.3-5V                                                	<br />Weight and Size<br />	 Product Weight: 0.015 kg                                                  <br />                        Package Weight: 0.050 kg                                                  <br />                        Product Size(L x W x H): 5.3 x 3.6 x 1.2 cm / 2.1 x 1.4 x 0.5 inches                                                  <br />                        Package Size(L x W x H): 7.0 x 5.0 x 3.0 cm                                                	<br />Package Contents<br />	 Package Contents: 1 x Development Board                                                	<br /><br /><br /><br />                                                <br />