With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Tell us about yourself!
I faced that too...plese check that the sensor was connected correctly ...This occors when you change the annode and cathode ...
Thanx.. I made it with BT module HC-05
Can I use Bluetooth for it?
How I can do this without connecting arduino with the computer?
Is it recommend to connect Arduino to Pc when I use this Vice Recognition?Plz....
Let your inbox help you discover our best projects, classes, and contests. Instructables will help you learn how to make anything!
© 2016 Autodesk, Inc.