There's an article in the November 03 issue of Servo Magazine called "Battery Fuel Gauge" written by Fernando Garcia. Might help. Uses an AD7755 and a PIC 16F84 !? Code at: www.servomagazine.com DOC http://www.robot-one.ca At 05:35 PM 1/5/2004 +0000, you wrote: >Hi All > >Perhaps you can help me out on this. I want to produce a system for >monitoring the voltage of my device's batteries which can then be used >in charging and discharging. ... -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu