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| Created | March 14, 2012 |
| Last modified | March 16, 2012 |
| Tags | flashing-led timer-555 |
Práctica de la Sec. Tec. 2
señal cuadrada ciclo 90-10 con encendido de LED en 10%.
usar time domain simulation para ver el ciclo de trabajo del Capacitor (cap) contra la salida del Timer (out) y el encendido del LED (LED)
para LED azul Vcc = 9V y V(LED) =4.5 @ 20mA = 270 ohms
calculadora para LED http://led.linear1.org/1led.wiz
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