This tutorial was extracted from Erich Styger blog http://mcuoneclipse.wordpress.com with his agreement.
I’m a big fan of physical UART/RS-232 ports on boards. So I was somewhat disappointed not to see a serial 9pin connector on theFreedom KL25Z board. But it is perfectly understood that for this price costs are critical, and a serial header or connector is pushing the budget for that board very likely out of the water. Still, I want serial connectivity for my applications.
Freedom Board with RGB LED
To read the full Tutorial, follow this link (on The Knode)