Turning circuits on and off by a toggle switch is so old school. Today devices have a single push button and that button can power up or down the device with a single push without much force applied. (more…)
Transistor power dissipation
How to choose the right switching transistor for my application? It must withstand the current, generated heat and applied voltages. Current and voltage does not pose any problem. You have to use some calculations about the power dissipation. (more…)
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