The reed switch is an electrical switch operated by an applied magnetic field. It consists of a pair of contacts on ferrous metal reeds in a hermetically sealed glass envelope.…
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iainhendry
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An infrared receiver, or IR receiver, is a device that sends information from an infrared remote control to another device by receiving and decoding signals. Basically, the receiver outputs a…
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A mercury tilt switch is a switch which opens and closes an electrical circuit when it is tilted at certain angles. When it is tilted a small amount of the…
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A photoresistor (or light-dependent resistor, LDR, or photocell) is a light-controlled variable resistor. The resistance of a photoresistor decreases with increasing incident light intensity; in other words, it exhibits photoconductivity.…
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I recently was browsing electronic kits on various websites and noticed that there seemed to be a few component testers that can be bought, some are assembled and others need…
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The 4067 was one of the IC’s that I wanted to connect up to various microcontrollers as it looke dextremely useful, here is a quick description from one of the datasheets…