FYI , I finally got my current sensor in from China. I got the 30 amp one (ACS712) off ebay because I plan on making a larger bot once I get my smaller one working correctly.
For an additional two bucks, you should also purchase the 5000mA sensor Measuring 2 amps within a 30 amps range will result in poor accuracy/resolution and generate noisy readingsDo you require assistance for interfacing this second sensor ??
It was only 1.98 shipped , I don't know how they offer them so cheap as shipping in the USA along would be more then that .
Measuring 2 amps within a 30 amps range will result in poor accuracy/resolution and generate noisy readings
Will it show real time mAh use and go back to zero with no throttle input or will it count and store the mAhs that have been used ?
with the over current alarm I might have a 12 volt buzzer in the parts pin somewhere we can experiment with
For faster protection I suggest direct motors cut off by code rather than ringing a bell
So if motors stalled out at 10 amps would you have the code kill the motors if it seen 10 amps for X milliseconds?
Yes, that's exactly the storyTry manually stalling the two motors and let me know the corresponding Amp value
I should have looked at the data sheet first , looks like it can only handle 5V and I put 12v to it
That's too bad Most sensors are 3.3V or 5VTime to get the 5A item
My main source is 12v that supplies my motors , I ordered the 5 amp already but it still can not handle my supplied voltage.
Why don't you get the 5V supply voltage from the Arduino board ??12V on the "measuring side" is OK