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DIY radar speed sign looks and works like the real thing

Reading Time: 2 minutes Arduino Team β€” June 29th, 2021 Those large, white speed signs you encounter alongside the road while driving can be annoying, as inattentive drivers slam their brakes right in front of you. However, the underlying technology that powers them is quite cool, which is why John McNelly wanted to construct his own DIY version that closely reflects the […]