Post by peter guglielmo on May 30, 2016 8:55:48 GMT -8
hi all, just completed project. the project is on the internet titled esr meter with tone. the problem i'am having is no meter deflection. it appears d3 is not turning on. no meter drive voltage. there is signal at u1b pin 1, but it jumps up and down. no dc voltage on k of d3.