For example, if the total supply voltage is 9 V and the LEDdrops 2V, thevoltage dropfor theresistor is 7 V. 2. Convert the ... Thus, if your desired current through the LED is 20mA, you have to use 0.02 in yourOhma#39;s law calculation. 3. Divide theanbsp;...
Title | : | Electronics All-in-One For Dummies - UK |
Author | : | Dickon Ross, Doug Lowe |
Publisher | : | John Wiley & Sons - 2013-09-24 |
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