Check out this Cigar Tube Circuit Tester 👀

Make your own! It’s easy!
👉 https://motbots.com/make-a-cigar-tube-circuit-tester/

#motbots #cigar #cigartube #circuittester #circuits

The Cigar Tube Circuit Tester is finished!

This #homemade circuit tester is going to come in handy. It can test for both negative and positive ground!

🔧 Make this yourself!
👉 https://motbots.com/make-a-cigar-tube-circuit-tester/

#motbots #cigar #cigartube #circuittester