video How to Make empty wallet cash indicator
For makeing this led indicator for your wallet you will need one CR2016 lithium battery,one small magnet and led diode.
How it works,when there is no money in wallet the led is on and mean to put cash in wallet,when cash is inside wallet the led is off,circuit is very simple but great :)
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cawerBR2 years ago
Amazing idea... I need to do that too. Thanks!
macobt (author)  cawerBR2 years ago
post some pictures when you make it.
avramovski2 years ago
Wonderful. Why you do not build a red led for indication? :)
macobt (author)  avramovski2 years ago
I know that red led is more efective but at that moment I have just green smd led.
rimar20002 years ago
Clever idea!
macobt (author)  rimar20002 years ago
Thank you.
ViktorCoric2 years ago
Awesome :)
That is very creative, I might make this for a friend of mine.
macobt (author)  sofiadragon19792 years ago
I made this led indicator,because I always forget to put money in my wallet :)