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Hi, I have tal220 10kg load mobile which i working with for an automated Pet feeder. I intend to weigh the meals in ounces. The amplifier i am using is the ina122. Could you give me some tips about how i could code this to the arduino? This information is the best i found on the web so far! Thanks for this
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Nicely figures can let you know the estimation of sensitivity is de facto robust, so you can start your application by calculating a mean degree of zero load output before starting measurements.
My long lasting obstacle is, that id prefer to dispense a established amount of powder, all around say 30 grains , after the specified bodyweight is arrived at the dispenser would quit. Then I could repeat the procedure having a thrust of a button. I will endeavour to help keep you posted on my problem.
Having said that, for those who are searhing for superior precision undertaking, Analog Products is the entire world winner in precision and they make strain gage ICs with outstanding performances (of course they cost 3 occasions the INA125P).
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Hello there alberto circuit works properly I essentially I've a multimeter bank and see enhanced voltages .
Now the next issue You must do is to regulate the circuit get and access the desired degree of amplification. The simplest issue to try and do should be to load the load cell having a reference bodyweight, which you assume to output a sign earlier mentioned a specific amplitude threshold.
Averaging! So that you can take away noise, the IC averages the steps through the load cells. This implies improved precision, nevertheless this is the limitation if you require dynamic instantaneous drive sensing.
-If you're constrained by voltage/House application, as you explained You should use a action up converter (let me say LM2621). It will not be a difficulty as long as you filter the sign (but you should get it done anyways IMHO), due to the fact these days stepups switching regulator do the job throughout the MHz switching frequency (there is a band constrained uncorrelated noise, sound problems gets dramatic only If you have correlation in between sign and noise in the complete bandwidth). But, prior to this, test with 3V and a great load mobile. Then, if essential, put into practice the stage-up detail.
If my strain gage has advisable excitation five-12V should really I modify this amplifier? Do i have to use distinct potentiometer or capacitor? Now I've output price about two,5V and a little noise (I'm employing breadboard).
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