There is a reset button and four hardware serial port identified as USART which generates a optimum velocity for organising communication. IOREF. This pin within the board provides the voltage reference with which the microcontroller operates. A thoroughly configured defend can study the IOREF pin voltage and choose the appropriate https://keegancysmf.blogspothub.com/27537962/not-known-factual-statements-about-ligamega25