5 awesome hobbies for middle-aged nerds you can start with gadgets already in your drawer

If you're a middle-aged geek like me, you'll love a good hobby. Whether you're obsessed with pulling the perfect god shot of espresso or building the perfect audiophile setup, a lot of hobbies can get very expensive. They don't have to start that way; plenty of great tech hobbies let you start with gadgets you may already have lying around.