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ctilbury
modified 11 years ago

basic LED driver

3
1
159
02:53:42
Drive an LED from a TTL logic source.
published 11 years ago
ctilbury
11 years ago
Leave the 5V where it is. The V at the base of the xsistor switches the LED off at around 1.3 and on at around 700mV. You can drive a LED from any 5V logic gate with this.

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