Hi all, Has anyone got a rough idea on a 9V battery life when the circuit draws about 16mA. I can reduce by a few milliamps by substituting a 78L05 with another type. -- Best regards Tony mICros http://www.bubblesoftonline.com mailto:sales@bubblesoftonline.com -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu