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Is impossible to sense the direction with that hall effect latched sensor. Since is latched only the presence of the magnetic element is detected but the approaching side. You may sense it with two of these sensor, detecting which is the first changing his state.
If this is you issue then post what hall sensor you want to use (the model or the datasheet). Logic 0 is 0V and logic 1 is V+ of the 7000as.
Have you think about using encoders? You could use a differential encoder.
Direction sense is done through pin 2. If you want to add you have to apply a logic 1 (that is your V+). But if you want to subtract you have to apply a logic 0 (that is 0V). Now I hope your issue is solved. But if not, let me know.
pin compatible atmega8 microchip
I had begun in the world of microcontrollers with the old 8051, later I had learnt ATMEGA16 and in the end I learnt PIC16 obligatory at the University. And my opinion about the PIC's is that they are a bungle. They function well if you desing in a state machine...
plc pmw
You can make a PWM without any special module. You can do it with the timers of the automaton.Yo can use something like this:
A I 1.0
AN T 2
L S5T#10ms
SD T 1
A T 1
= Q 4.0
A T 1
L S5T#5ms
SD T 2
To change the values use the times defined with S5T#.
servo source code needed
Is easy. Initialize a timer and with it control the high level time and low level time. The servo goes to a fixed angle depending on the relation between this two times.
at89s2051
I'm designing an environmental thermometer so I need an accurate sensor. I was looking for it but I didn't found it. I wanna a sensor with almost 0.5% of accuracy of full scale (the scale goes from -20ºC to 60ºC).
If you know anyone please tell me. Thanks
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