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Hello my name is Chipsy, I'm French, reading instructables since at least 2 years, it is the first entry i make on this website. Why i made this ...
The existing controller for the projector screen is an integrated circuit that drives the screen motor. It is controlled via an RF remote. I grabbed my multimeter, and was able to find ...
The idea with this circuit is being able to "sense" with the Arduino weither the projector screen is going UP or going DOWN. This circuit works like this ...
To control the motor, i will be using an H-bridge with a DPDT relay like you can see on this schematic below. If you want more details, look ...
Okay, so now we can tell the blind motor to go DOWN when the projector screen is going DOWN, We can tell him to go UP when the ...
I tested everything on a breadboard to develop the arduino code and debug. It took me 1 complete day, because it is easy to make mistakes with so ...
I won't detail this step, just transferring the parts, being careful not to overheat anything, and triple check before soldering.
Drink some Juice before the final test.
// Pins int dir = 2; int power = 3; int captor = 4; // Reed switch int captorVal = 0; // Analog pin to read screen DOWN ...
It was a fun project to make, i did some frustrating mistakes but in the end it just WORKS. Next steps for improvement : - Replace Arduino by ...
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