Low cost radar speed tester
Have you ever thought of building your own low-cost radar speed logo? I live in a car driving too fast in the street, I am worried about my child's safety. I think it would be safer for me to let the driver slow down if I could install my own radar speed flag to show the speed. I check out the radar speed sign on the internet but I found that most of the signs are for more than $ 1,000 and it is very expensive. Nor do I want to go through the long process of installing a logo in this city because I've heard it could cost 5,000-1,000 dollars. Instead, I decided to set up a low-cost solution to save some money while having some fun. I found OmniPreSense, which offers a low-cost short-range radar sensor module for my application. The PCB module measures only 2.1 x 2.3 x 0.5 inches and weighs only 11g. The electronics are self-contained, fully integrated, so there is no power tube, bulky electronics, or a lot of power. Large objects such as cars range from 50 feet to 100 feet (15...