Radar has made much of modern life possible, and if you're into building your own electronics building one is a fun and useful project. Watch this video for instructions on how to build your own simple radar out of cheap spare parts from a satellite dish or a toy radar gun.
Save 20% on everything in the Gadget Hacks shop this Cyber Monday with coupon code CMSAVE20. Apps and software in the store have even bigger savings with code CMSAVE40. And for the largest discounts, check out the online courses for 70% off with CMSAVE70. Don’t know what to get? We can help: