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Author Topic: Whats the VAlue of the Light Sensor Resisitor?  (Read 2057 times)

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Offline nathan25Topic starter

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Whats the VAlue of the Light Sensor Resisitor?
« on: September 11, 2007, 03:52:24 PM »
http://www.societyofrobots.com/schematics_photoresistor.shtml

What is the Value of that Resistor...from the Light Sensor Tutorial?

Thanxs
Nate
I design robots to take ovr the Universe

Offline Rebelgium

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Re: Whats the VAlue of the Light Sensor Resisitor?
« Reply #1 on: September 11, 2007, 05:04:39 PM »
uhhh... if you knew what an LDR (Light Dependant Resistor) was you wouldn't ask this   :-\ ;)
 
The point of these resistors is that there is no static value, but a variating resistor value...
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Offline h3ro

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Re: Whats the VAlue of the Light Sensor Resisitor?
« Reply #2 on: September 11, 2007, 05:14:13 PM »
You mean the one that is attached to the sensor?

I think its a 1.62Kohm resistor, at least thats whats on the parts list for the 50? robot
DigiKey.com
1.62KXBK-ND

Offline nathan25Topic starter

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Re: Whats the VAlue of the Light Sensor Resisitor?
« Reply #3 on: September 11, 2007, 05:18:42 PM »
Thnxs... i wanted to make sure b/c i dont wanna blow the transistor.
I design robots to take ovr the Universe

Offline Rebelgium

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Re: Whats the VAlue of the Light Sensor Resisitor?
« Reply #4 on: September 11, 2007, 05:33:46 PM »
ohh right :D
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Offline Admin

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Re: Whats the VAlue of the Light Sensor Resisitor?
« Reply #5 on: September 14, 2007, 10:21:22 AM »
any resistor will work . . . but there is an optimal value that gives your robot the best sensor readings. the resistor value I gave is close to that value.

 


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