> I'd love to be able to find a compact, ready made module >that would do this part for me. Digital (ie serial data, >etc) control would be ideal, but analog might be possible. >Alternatively I could use the CCP module to generate some >PWM, but I'd need a driver. The reason I'd like a module >is that in the event of a problem it would be easy to swap >out. I've done some searching and what I'm finding are a >ton of smaller modules meant for dimming LEDs. I would be tempted to use a small PIC 10F or 12F to do a software PWM, driving a Microchip FET driver, driving a suitably rated FET, as a module. Then you could use whatever interface to the PIC you wanted. Alternatively a slightly bigger PIC, in the 16F627/28/48 has a hardware UART that you could use for the external interface, instead of using a software UART with the smaller devices. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist