It is impossible to tell from your description what could possibly be wrong. We need to see a schematic diagram of your circuit, otherwise we'd be blindly guessing.I recently purchased a new 555 ic to generate digital clock pulse it work with +5v reference but not work with common ground reference.
If you know whats going wrong please let me know.
Simple; what is wrong is that you have no idea of how to use the 555 because you have not read the datasheet.If you know whats going wrong please let me know.
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