Tutorial 04 for Arduino: Analog Inputs

New Episodes each Monday!

You can download the parts list, code, and schematics from this episode on my website:
http://jeremyblum.com/2011/01/24/arduino-tutorial-4-analog-inputs

Watch my TechBits Episode on Analog and Digital Signals: http://www.youtube.com/watch?v=Z3rsO912e3I

Submit your arduino project to element14’s arduino contest for a chance to win a soldering station: http://www.youtube.com/watch?v=P5QpyIaycFo

This tutorial series is sponsored by element14. Check out their arduino group!
http://www.element-14.com/community/groups/arduino

Follow me on twitter: http://www.twitter.com/sciguy14

Duration : 0:18:18


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Technorati Tags: ADC, analog, arduino, bits, blum, DAC, digital, Distance, element14, emergency, inputs, IR, jeremy, light, nightlight, photoresistor, reference, resolution, Sensor, thermistor, Tutorial, uno, variable, Voltage

24 thoughts on “Tutorial 04 for Arduino: Analog Inputs

  1. HI SIR!!!
    can you …

    HI SIR!!!
    can you make a tutorial? about RFID and adruino,. and aslo FINGER PRINT SCANNER and adruino., thanks in advance.,

  2. Did you build the …
    Did you build the yellow robotic arm? or did you buy it anywhere? If yes to the latter, where can I get one??

  3. Hey man could you …
    Hey man could you make a video or comment, explaining the basics of the com window which you use in this video to record the photo? resistors level.

  4. hey jeremy i was …
    hey jeremy i was thinking instead of adopting the use of a voltage divider why not measure the increase current through the resistor, use? a shunt resistor and send the voltage across the shunt to the arduino. Will this allow a greater resolution?

  5. @WebDesigneri If it …
    @WebDesigneri If it only have two pins, how is it being varied? You can set it up in a voltage divder circuit with a fixed value resistor, and use the output voltage to determine the value of your variable? resistor.

  6. @Bryan7346 I never …
    @Bryan7346 I never received a facebook message from you. Did you send it? to the right Jeremy Blum? Use the contact form on my website.

  7. Hi! I have a …
    Hi! I have a variable resistor that can be set from 3.34 to 8.72 kohms. What’s the best way to read the position of the variable resistor with an arduino and get the best resolution? The variable resistor has only 2 pins, so it doesn’t work like a potentiometer.?

  8. Hi Jeremy Just …
    Hi Jeremy Just Wandering If You? Could Send Me The Intro Music To You Tutorials,Thanks

  9. I’m wondering if …
    I’m wondering if anyone on here could take a look at a few lines of code that I have written. I am trying to just make sure a small video camera stay on and stay recording, I am going to put it in a weather balloon. I believe it to be very simple code (to someone who know what theyre doing) but I have had some trouble with the REC button working. I have sent Jeremy Blum a msg? directly via FB but he? never responded. Please respond to this post if ur interested or email bryan246@gmail.com thanx

  10. @mudithead Well i …
    @mudithead Well i tried, but its just staying in only 2 values ‘230’? and ‘231’..No changes in output. 🙁 help

  11. Hey, question- i …
    Hey, question- i have infrared sensor and everything but the the JST connector which connects the sensor to the breadboard is actually aluminium( that reddish-? brownish fiber like thing) and not copper. Will that make any difference? Help

  12. Hey great video. 🙂 …
    Hey great video. 🙂
    Well, i did order the arduino starter kit so thats not a problem. But, i did order the infrared sensor(short range) but that did not come the connector( the jst connector or whatever it is called) 🙁 How should i connect the sensor now? Is that cable available on element 14 website? Or is it? available everywhere?

  13. Can you actually …
    Can you actually use the 3.3v pin on the Uno board to power a sensor that requires 3.3v? and at the same time use that as the Vref?

  14. @sciguy14 Yeah, for …
    @sciguy14 Yeah, for some reason when I see programmers put brackets underneath voids, booleans, ints etc. it always bugs the crap out of? me for some reason

  15. @MrMimsicle? You …
    @MrMimsicle? You mean putting the brackets on the same line? I switch back and forth.

  16. Hey! You changed …
    Hey! You changed your programming style (sort of). Dunno if anyone else noticed that. Anyway,? nice tutorial

  17. your videos helps a …
    your videos helps a lot…i am doing a project that includes using arduino ,? gps and a magnetic field sensor……

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