profettttverma
New member
- Sep 16, 2008
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i have to make a mini project for my school. i want to make two set of device, each containing 5 LEDs, for two person; when they will be in the distance of 60-80 meter, only one led will glow. when they come near to each other no of glowing led should increase.(you can change the indicator as sound instead of leds).
if anyone knows about this pls help me.
if anyone knows about this pls help me.