| ??? 12/05/03 17:44 Read: times |
#60019 - RE: How the Inputs Would Work Responding to: ???'s previous message |
What about using 4 schottkies (plural?) in a rectifier bridge arrangement per opto coupler input? All you would need then is a spdt switch to select between V+ and V- on one "ac" leg of the bridge, and the other "ac" leg is your input? |



