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John Here is a program for the Breathing led. I don't have a CY8CKIT-043 module at this time to debug it to adjust the breathing rates. But this code will work. I you may need to change the settings in the configure files for the PWM1 and PWM_2 to get you correct led blinking rates. If I had this device I would have adjusted it for you. I did however set the pin configurations of the design to your -043 device.
Bob, Thanks for the code example. I made the following changes and it closely approximates the example pre-loaded on the CY8CKIT-043 module. Here are the changes: Clock - 32kHz PWM_1 Settings: Center Align Period: 127 CMP Value: 63 PWM_2 Settings: One Output Period: 254 CMP: 128 This example was enough to get me going with the kit - thanks again. Jack