The reason of I use cd40106 is I just have one... Another question is cd4069 ok?
to rumcajs, thank you for your recommendation, but schematic picture on the site can't be displayed.
to skippy, I'll shelving the pocket metal detector and look at the Simple BFO metal detector.
to rumcajs, thank you for your recommendation, but schematic picture on the site can't be displayed.
to skippy, I'll shelving the pocket metal detector and look at the Simple BFO metal detector.
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