Introduction: Negative Going Pulse Arduino Readable Logic.

Hey Guys, Today we will show you how to create a very simple negative going pulse, readable to the arduino, that will not fry your arduino. This Circuit was very helpful for protection from high lethal voltages for any electronics. We are using this in a cosmic ray detector, but we decided to share the design so that others can use it too.





Submitted by Newton Labs for the Instructables Sponsorship Program

Step 1: The Circuit.

Follow the circuit diagram to build the circuit.

Step 2: Enjoy!

Enjoy your Negative going pulse that wont fry your arduino. If you have any questions post them on the comment wall.

Comments

author
RickyM3 made it! (author)2015-06-22

Ok thanks for your reply, Yes i'm reading the coil not writing.

author
simonfrfr made it! (author)simonfrfr2015-07-12

Yup you can do that! :)

author
RickyM3 made it! (author)2015-06-17

Can this circuit handle 110v from a motorbike coil?

author
simonfrfr made it! (author)simonfrfr2015-06-21

Read but not write, and you have to check each component's tolerances

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