> If split-second timing is > important, remember that the solenoid will energize as quickly as > before, but it may hang up for a split-second before releasing. If timing is important you can use a zener in series with the diode, or even a resistor. The voltage at the 'low' side of the coil will be higher, so you must decide what the maximum voltage there can be. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu