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	<title>Circuit Project Electronic &#187; light relay switch</title>
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	<link>http://www.eleccircuit.com</link>
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		<title>Light Actuated Relay Circuits by Photo Transistor</title>
		<link>http://www.eleccircuit.com/light-actuated-relay-circuits-by-photo-transistor/</link>
		<comments>http://www.eleccircuit.com/light-actuated-relay-circuits-by-photo-transistor/#comments</comments>
		<pubDate>Sat, 23 Aug 2008 03:05:12 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[detector]]></category>
		<category><![CDATA[Electronic Control]]></category>
		<category><![CDATA[Lighting]]></category>
		<category><![CDATA[light relay switch]]></category>
		<category><![CDATA[Photo Transistor]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/?p=3310</guid>
		<description><![CDATA[The Light Actuated Relay Circuit be office circuit with the light. The prominent point of this circuit be meet the light has fast more using LDR the very. When the light leaves work suddenly. When meet the light makes Photo Transistor work bias current change it has made the transistor works to cause Relay work [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/light-actuated-relay-circuits-by-photo-transistor/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DC motor runs off of calculator solar cell in dim light</title>
		<link>http://www.eleccircuit.com/dc-motor-runs-off-of-calculator-solar-cell-in-dim-light/</link>
		<comments>http://www.eleccircuit.com/dc-motor-runs-off-of-calculator-solar-cell-in-dim-light/#comments</comments>
		<pubDate>Wed, 02 Jul 2008 06:38:29 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Electronic Control]]></category>
		<category><![CDATA[Lighting]]></category>
		<category><![CDATA[light relay switch]]></category>
		<category><![CDATA[motor control]]></category>
		<category><![CDATA[solar power systems]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/?p=3010</guid>
		<description><![CDATA[How do we achive 10nA operation? By using diodes in place of pull up resistors, and by isolating the DC load from the trigger circuit via junction drops and the 10nF capacitor. If there is too much power comming from the solar cell then the motor might run too often or even continuously. You can [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/dc-motor-runs-off-of-calculator-solar-cell-in-dim-light/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Automatic Headlight Brightness Switch</title>
		<link>http://www.eleccircuit.com/automatic-headlight-brightness-switch/</link>
		<comments>http://www.eleccircuit.com/automatic-headlight-brightness-switch/#comments</comments>
		<pubDate>Sat, 06 Oct 2007 02:47:31 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Automotive]]></category>
		<category><![CDATA[Lighting]]></category>
		<category><![CDATA[light relay switch]]></category>
		<category><![CDATA[light switch]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/automatic-headlight-brightness-switch/</guid>
		<description><![CDATA[Driving the highway with your high-beam headlights can really increase your visibility, but can he a blinding hazard for other drivers. This simple circuit can be wired into your headlight switch to provide automatic switching between high and low beam headlights when there is oncoming traffic. It does this by sensing the lights of that [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/automatic-headlight-brightness-switch/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Intermittent wiper controller by 2N4401</title>
		<link>http://www.eleccircuit.com/intermittent-wiper-controller-by-2n4401/</link>
		<comments>http://www.eleccircuit.com/intermittent-wiper-controller-by-2n4401/#comments</comments>
		<pubDate>Fri, 05 Oct 2007 00:07:27 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Automotive]]></category>
		<category><![CDATA[light relay switch]]></category>
		<category><![CDATA[relay-switch]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/intermittent-wiper-controller-by-2n4401/</guid>
		<description><![CDATA[The intermittent wiper circuit shown above causes the auto&#8217;s windshield wipers to wipe once every several seconds instead of constantly wiping. The circuit may be added to older cars to provide the intermittent function or it may be used to replace broken wiper circuits in modern cars. The delay is continuously adjustable with the potentiometer [...]]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>12V 6 Amp Solar Power Center (SPC2) by TL2272</title>
		<link>http://www.eleccircuit.com/12v-6-amp-solar-power-center-spc2-by-tl2272/</link>
		<comments>http://www.eleccircuit.com/12v-6-amp-solar-power-center-spc2-by-tl2272/#comments</comments>
		<pubDate>Fri, 03 Aug 2007 03:28:47 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Lighting]]></category>
		<category><![CDATA[Power supply]]></category>
		<category><![CDATA[battery charger]]></category>
		<category><![CDATA[light relay switch]]></category>
		<category><![CDATA[solar cell]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/12v-6-amp-solar-power-center-spc2-by-tl2272/</guid>
		<description><![CDATA[The SPC2 is a solar power center, it can be used to handle all of the power functions for small 12 Volt solar powered devices. It contains a photovoltaic charge controller and a low voltage load disconnect circuit. The low voltage disconnect has a load on-off switch, and a battery low voltage indicator. By using [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/12v-6-amp-solar-power-center-spc2-by-tl2272/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Light Relay Switch By BC547 &amp; BC337</title>
		<link>http://www.eleccircuit.com/light-relay-switch-by-bc547-bc337/</link>
		<comments>http://www.eleccircuit.com/light-relay-switch-by-bc547-bc337/#comments</comments>
		<pubDate>Tue, 22 May 2007 16:15:14 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Electronic Control]]></category>
		<category><![CDATA[Lighting]]></category>
		<category><![CDATA[BC337]]></category>
		<category><![CDATA[LDR control circuit]]></category>
		<category><![CDATA[light relay switch]]></category>
		<category><![CDATA[lighting senser]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/light-relay-switch-by-bc547-bc337/</guid>
		<description><![CDATA[This circuit is simple form but can be useful various such as The alarm circuit, an more electronic control circuits such as ON-OFF electrical equipment, the flash light control circuit or etc. following with do you want. Function of the circuit From the circuit in Figure 1 that see two transistor Q1,Q2 join together in [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Opto-Thermo Control Relay Switch with IC 741</title>
		<link>http://www.eleccircuit.com/opto-thermo-control-relay-switch-with-ic-741/</link>
		<comments>http://www.eleccircuit.com/opto-thermo-control-relay-switch-with-ic-741/#comments</comments>
		<pubDate>Fri, 18 May 2007 00:48:34 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[741]]></category>
		<category><![CDATA[Circuit diagram]]></category>
		<category><![CDATA[Electronic Control]]></category>
		<category><![CDATA[light relay switch]]></category>
		<category><![CDATA[LM741]]></category>
		<category><![CDATA[Temperature-Control]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/opto-thermo-control-relay-switch-with-ic-741/</guid>
		<description><![CDATA[Circuit Opto-Thermo Control Relay Switch with IC 741 This be Electronic switch circuit is onely. Which work with the light and the temperature. I begs for to call that Opto-Thermo Control Relay Switch with IC 741. By have work various instructions very much. And have onely observations be I uses IC 741 then can insist [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/opto-thermo-control-relay-switch-with-ic-741/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Light Change Detector by IC CA3130</title>
		<link>http://www.eleccircuit.com/light-change-detector-by-ic-ca3130/</link>
		<comments>http://www.eleccircuit.com/light-change-detector-by-ic-ca3130/#comments</comments>
		<pubDate>Thu, 17 May 2007 16:43:19 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Electronic Control]]></category>
		<category><![CDATA[Lighting]]></category>
		<category><![CDATA[meter]]></category>
		<category><![CDATA[ca3130]]></category>
		<category><![CDATA[Light  Detector]]></category>
		<category><![CDATA[light relay switch]]></category>
		<category><![CDATA[light switch]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/light-change-detector-by-ic-ca3130/</guid>
		<description><![CDATA[Circuit Light Change Detector by IC CA3130 This the Secretariat of the Swith light high-quality circuit. By prominent its point is when the light changes the system will order to give Relay work immediately. Detect the change in the light that get from the circuit is will that. We use IC op-amp number CA3130 work [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/light-change-detector-by-ic-ca3130/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Light Activated Relay</title>
		<link>http://www.eleccircuit.com/light-activated-relay/</link>
		<comments>http://www.eleccircuit.com/light-activated-relay/#comments</comments>
		<pubDate>Wed, 25 Apr 2007 23:39:50 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Electronic Control]]></category>
		<category><![CDATA[Lighting]]></category>
		<category><![CDATA[light activated switch]]></category>
		<category><![CDATA[light relay switch]]></category>
		<category><![CDATA[lighting senser]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/light-activated-relay/</guid>
		<description><![CDATA[This is same circuit as above with the addition of a photo resistor to trigger the flip flop instead of a push button. The bias resistor in series with photo resistor was chosen so that sufficient voltage is present at the base of the 2N3904 to supply current to the circuit in ambient lighting conditions. [...]]]></description>
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		<slash:comments>0</slash:comments>
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