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Arduino Modules - L298N Dual H-Bridge Motor Controller
Obviously this sensor can only be either "wet" or "dry" with nothing in between. To make it less "sensitive" on would have to work with an array of these sensors and make them cover a greater area. Then you could write your own algorythm to define how hard it's raining based on how many sensors got activated of the array.
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great easy test of the sensor! thank you!
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Maybe 2A or 25W were exceeded? Or maybe power regulator isn't working fine, so you could take off the 5V jumper and supply external 5V por logic operationhttp://blog.pennybuying.com/down/f/F815A.pdf
I'd suggest a stepper driver.
If you look at the L298N datasheet, it is possible to hook up the two H bridges in parallel to pull a 4A load, which for your case might be enough. However, given the voltage and current ratings of your motor, I'd invest in something a little more heavy duty than this.
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not sure if it is intentional but the delay(1) at the end is actually causing to check for rain 1 thousand times every second which I find overkill. Changing it to delay(1000) for once per second seemed more suitable for my needs but I believe most cases would be covered sufficiently with once per minute, that is delay(60000). Great 'ible btw!
Thnx a lot ... u got me outta a big trouble :)
Forgot, i am running the bridge from 7 to 9 VDC, with the same results
I have been searching for a while but i cannot find the answer. I connected a stepper motor to A and B output, left the 5 volt and both enables jumper in place, connected the IN1-4 to arduino 8-11, feed the arduino with the bridge 5 V source, loaded the arduino "one turn" (200 pulse) stepper sample routine. Runs like a charm for about 90 seconds then thermal protection kicks in??Any idea anyone?
Hiyou suppose to use ultrasonic distance sensor
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On the H-bridges I am using I used super glue to attach a 40 mm X 10 mm 12v fan to each controller, no overheating issues with them yet.
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