http://www.protostack.com/blog/2009/07/atmega8-breadboard-circuit-part-1-of-3-power-supply/ Atmega168 development kits, AVR Development boards, Prototyping boards and Electronic components Tue, 26 Mar 2013 12:09:58 +0000 hourly 1 http://wordpress.org/?v=3.4.2 http://www.protostack.com/blog/2009/07/atmega8-breadboard-circuit-part-1-of-3-power-supply/#comment-11211 protostackadmin Thu, 22 Sep 2011 22:41:07 +0000 http://www.protostack.com/blog/?p=42#comment-11211 Yeah, 150 ohm is a bit low. Yeah, 150 ohm is a bit low.

]]> http://www.protostack.com/blog/2009/07/atmega8-breadboard-circuit-part-1-of-3-power-supply/#comment-11166 Nico Thu, 22 Sep 2011 07:57:22 +0000 http://www.protostack.com/blog/?p=42#comment-11166 I think you should drive your LED with less current to preserve your 9V battery. A 680R resistor would give the LED around ??mA which should be enough to make it sufficiently visible. (VOLTAGEsuppy - VOLTAGEforward-drop-led)/5.5mA = +/-680R I think you should drive your LED with less current to preserve your 9V battery.
A 680R resistor would give the LED around ??mA which should be enough to make it sufficiently visible.
(VOLTAGEsuppy – VOLTAGEforward-drop-led)/5.5mA = +/-680R

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