/members-area/personalblogs/b/nexgen-flight-simuator/posts/nexgen-fuel-indicator-wire-power-up-3In this post, I will be talking about my switches which are done with an interrupt on Arduino Mega's pin#2, and just to keep my head on straight the interrupt service routine's name is isr2. First, let me digress. The Fuel Load Indicator has two (2) en-USTelligent Community 12