Sensor Led
2011
A light sensor circuit based on?
I'm trying to create a project that I'm using a frosted glass table lamp and wired together. What I want to do is have a light sensor under the table, so when you put an item in the table and the light sensor,. LED in the sensor area. Approach appears to be a list with this. They put a glow on the surface of the table. Everyone will know how to do that, or at least point me in that direction. All that is popular. OK, maybe I could rephrase this. As well .. I need for work schedules, regardless of lighting conditions. For example, if the power fails and is placed on it will light the area. May use the EyeToy and the computer will be able to do this ° or not.
The idea that you can do the same if you have a light source on top of your table. You can easely build circuits using light sensors. Transister LDR and circuit simplicity. You will face many problems that the sensor can be used. My suggestion is that you can divide the table into rows and coloumns as a matrix and connected to a pair of optical sensors and to each of the iceberg. Who we are, you know, like a chessboard. Using a light circuit and the use of LDR. transister switch the circuit is simple. You can google it.
A LED as light sensor
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