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Hi guys,
I'm building a position detector by using photodiode.
My idea was i connect two or three lines of photodiode to AT89S8252 microcontroller.
where each line of photodiode consist of 4 photodiodes and one reference of photodiode is used as a reference photodiode to determine the changes...
Hi keith,
The photodiode I am using will be exposed to the sunlight, so when a vehicle pass by it will block the light into the photodiode, i assuming the maximum speed of the vehicle is 80km/h. Currently I am doing a prototype so the distance between the photodiode will only be around 8cm
Btw...
hi keith, actually i'm using the photodiode to calculate the speed up to 80km/hour which is 22.22meter/second so does that mean my response speed is 22.22?
Hi guys,
I have Hamamatsu S9648-100 photodiode.
The photodiode must be reverse-biased so that a positive potential is applied to the cathode.
To eliminate the hgh-frequency components, it is recommend to place a load capacitance CL in parallel with load resistance RL as a low-pass filter...
Hi guys,
I am new to micro controller circuit connection and programming.
Currently I'm doing a project about detecting position of an object.
I wanted to know the time when an object passed by,
so I came across PCF8503 chip and i've google about it but sadly i couldn't found much information...
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