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  • RF 315/433 MHz Transmitter-receiver Module and Arduino

    The data transfer rate will be a max of 9600bits per second, which is 1200bytes per second (1.2kB/s), which is too slow for audio or video transmission.

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  • Gabrielin commented on djsadeepa's instructable Connect PS/2 Keyboard to Arduino1 month ago
    Connect PS/2 Keyboard to Arduino

    My Keyboard doesn't seem to turn on when connecting the 5V and GND, but it's an RJ12 keyboard, so I'm not really sure if it's the same pinout (I looked up the pinout of a PS/2 to RJ12 adaptor and it seemed pretty straightforward)

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  • Make a high powered solar panel from broken solar cells

    You can buy broken cells for cheap at ebay, look for it. What's more, look up a video of Cody's Lab youtube channel explaining further how he made his own solar panels with an old window and some stacks of broken cells he bought on ebay. You're lucky in that sense to live in the USA, there are always those kind of things there, unlike here in Spain :P

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  • Use Arduino with TIP120 transistor to control motors and high power devices

    If you want to control two directions, check out for a transistor H bridge. It is basically a circuit made of 4 transistors that allows you to choose a direction for the motor. And yes, you can use PWM for speed control. Anyway, I recommend using MOSFET transistors instead of TIP120, because the TIP ones are too old, and they usually dissipate a lot of your power, and might even overheat and stop working.

    TIP120 is an old and outdated transistor. For higher power applications, like yours, you would rather use a MOSFET. TIP120 will overheat and dissipate lots of your power, and might even stop working if it gets too hot.

    TIP120 is an old and outdated transistor. For higher power applications, like yours, you would rather use a MOSFET. TIP120 will overheat and dissipate lots of your power, and might even stop working if it gets too hot.

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