You have probably come across a simple siren circuit since it is in all alarm systems. For instance, a fire truck will produce a siren as it passes to be granted passage in traffic. The same also applies to an ambulance siren. Noteworthy, the working principle behind the production of the siren sound is simple. […]
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PCBs are crucial parts of electronic circuits because they hold and provide all the electrical connections between different components. Although some people use PCB and PCBA interchangeably, the two do not mean the same thing. In simple terms, a Printed Circuit Board Assembly builds on a PCB and forms a complete circuit with all the […]
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An ammeter (abbreviation of Ampere meter) is a device that measures current, an alternating current (AC), or a direct current (DC). A common feature of an ammeter is the low resistance that limits voltage drop during current measurement. Milliammeters and microammeters are types of ammeter instruments that measure smaller currents. In our case today, we’ll […]
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