Here is a great collection of touch switch circuits. A touch switch is an electronic device that enables us to control a circuit by simply touching a sensor. Simple touch switch circuit with 4011 – ...

Take a quick look at most older appliances, consumer products, and even medical devices of just a few decades ago and you’ll see their user front panels are covered with traditional, protruding ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. is a deputy editor and Verge co-founder with a passion for human-centric cities, e-bikes, and life as ...