> those high brightness LEDs take 30mA, but the PIC can't > provide 30mA on each pin. I'll probably stick a couple of > small BJTs on there. Maybe two MMBT2222 type. You can parallel pins. What about the LEDs on PortA ? There's a maximum drain for the port as a whole. If they were all driven at the same time it looks to be about 90 - 100mA. Also, I tend to earth the crystal case because once or twice I'd had radiation interfering with s/w Joe --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .