topic LED dimmer PCA9531 Sample Code in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/LED-dimmer-PCA9531-Sample-Code/m-p/533367#M10602 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by alan_nn on Thu Mar 13 02:35:14 CDT 2014</STRONG><BR /><SPAN>The PCA9531 is an 8-bit I2C &amp; SMBus I/O expander optimized for dimming LEDs in 256 discrete steps for Red/Green/Blue (RGB) color mixing and back light applications .This sample code demonstrate how to modify the LED brightness by change the duty cycle in PWM register.</SPAN><BR /><SPAN>And make the 8 pcs&nbsp; LEDs light on and eliminate gradually. So realize the function of flowing water light. </SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 18:20:31 GMT lpcware 2016-06-15T18:20:31Z LED dimmer PCA9531 Sample Code https://community.nxp.com/t5/LPC-Microcontrollers/LED-dimmer-PCA9531-Sample-Code/m-p/533367#M10602 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by alan_nn on Thu Mar 13 02:35:14 CDT 2014</STRONG><BR /><SPAN>The PCA9531 is an 8-bit I2C &amp; SMBus I/O expander optimized for dimming LEDs in 256 discrete steps for Red/Green/Blue (RGB) color mixing and back light applications .This sample code demonstrate how to modify the LED brightness by change the duty cycle in PWM register.</SPAN><BR /><SPAN>And make the 8 pcs&nbsp; LEDs light on and eliminate gradually. So realize the function of flowing water light. </SPAN><BR /></BODY></HTML> Wed, 15 Jun 2016 18:20:31 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LED-dimmer-PCA9531-Sample-Code/m-p/533367#M10602 lpcware 2016-06-15T18:20:31Z