Little Rover

Project tutorial by Jeremie

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  • 7 comments
  • 17 respects

Ugly Bug

Project tutorial by Jeremie

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  • 12 comments
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OldArduiPhone (or the Hipster Cellphone!)

Project showcase by Jeremie

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  • 6 comments
  • 46 respects


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Project showcase by MicroLab Greece

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Make an Arduino Memory Game

Project tutorial by Jeremie

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An Arduino and a Roomba Become an Artificial Organism

Project showcase by Ondaweb

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  • Arduino Game By LCD 15 days ago

    Awesome project!
    And I now finally have a good example of how to use interrupts. Thanks for that!

  • Make an Arduino Memory Game 15 days ago

    Hi Andy354, Yes, it's only purpose is to pull the pin to low when it's on input. I always put one in case some magnetic field starts inducing current on my circuit.
    Please post your escape the room game somewhere when you're done. I'd love to see it.

  • Little Rover 29 days ago

    I think you're right about the 9v battery being a little weak. The Arduino itself draw around 50mA to do it's thing and the servos draw 100mA each when idle. So that's fine on a battery that does 500mA or so. But the servos can draw a lot of power when they start. And then the battery will struggle a little. You might be able to counter that by putting a small capacitor in parallel between the positive and the negative of each servo.
    https://learn.adafruit.com/adafruit-arduino-lesson-14-servo-motors/if-the-servo-misbehaves
    I tried to play with 9v batteries but got frustrated because that's a common problem.
    A little battery pack and 4 AA batteries have a much better power output.
    Have fun!

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