After purchase, reply to your order confirmation email to request a free FRDM-MCXE31B, FRDM-MCXN236, FRDM-MCXA153, or FRDM-MCXA156 coupon to evaluate MCX microcontrollers. The FRDM-KL02Z is an ultra-low-cost development platform enabled by the Kinetis® L series KL02 family built on the Arm® Cortex®-M0+ processor. Features include the open standard embedded serial and debug adapter (OpenSDA), providing easy access to MCU I/O, battery-ready, low-power operation, a standards-based form factor with expansion board options and a built-in debug interface for flash programming and run-control. The FRDM-KL02Z is supported by a range of NXP® and third-party development software. This hardware can be purchased through NXP distribution partners.