• EEVblog #505 – IR Learning Remote Control Hack

    Dave wires up an Arduino (Freetronics Eleven) to control his video camera via a learning IR remote control matrix keypad.
    NOTE: this is NOT an optimised solution, nor a tutorial on the best way to do this, it’s a quick rudimentary hack while showing a few traps. This was the quickest way to do this.

    Forum HERE

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      • Peter

        Maybe the common pin is high referenced and not low referenced like you have it connected.

        You could take your voltmeter and connect to the two pins to get a dc average reading which should be either plus or minus depending on which is the high side.

      • Petrus

        I had a similar project (emulate button push on an old audio amplifier to add a remote control) I used optoisolators, it works perfectly since several years.

      • Matin Z.

        hi dave, Please make a video about “EDA Softwares Comparison”. some softwares like Protel or Proteus, Multisim, Eagle & …
        no one ever made a video on electronics design softwares review & comparison

        Thank you so much

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      • jack crow

        did u ever try adding a opto-isolator that uses a light dependent resistor not a semiconductor at the output.

        if yon can get one? or make one up, as most opto-isolators are all semiconductor units.

        a light dependent resistor can have floating bipolar control of the TV remote controls keys matrix .

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