GoPro action cameras are small enough that they can be placed almost anywhere. But the problem with choosing unconventional locations is that you still have to press the record button yourself.

Of course, you could use GoPro’s smartphone app to trigger the camera. But there are undoubtedly times when you don’t want to put your smartphone at risk, or want to worry about your smartphone’s battery dying.

For these times, it’s best to have a backup wireless remote.

Now, with a little know-how, you can create a very inexpensive and incredibly small DIY GoPro remote, saving you from the cost of GoPro’s $65 proprietary remote.

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