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Test Tools: A fairly simple 555 tester. Corrected and updated.

Step 3Solder it, then box it

Solder it, then box it
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  • 555 Tester new face.jpg
  • 555 neater.jpg
  • Picture Test box 001.jpg
  • Picture Test box 002.jpg
  • Picture Test box 003.jpg
  • Picture Test box 004.jpg
Once you have all the parts soldered in, and have tested the circuit. You can add the Pot. inline ie in series with, R1 or R2 (I used R1 so I could adjust the duty cycle as I wished).

Find a decent box to put it in and remember to allow for a place to get to the socket so you can use this as a tester.

The entry point for the timer was altered and made so much more neater. I used an old gold colored aluminum card blank and cut the hole after measuring it for locationi.

Enjoy.
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Author:Goodhart(Old as the hills...)
I am, most definitely older than 00010101 and to put it simply, still curious about nearly everything :-) I then tend to read and/or experiment in those areas - when I have the time... My two "spe...
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