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		<title>ESP8266 WiFi relay switch</title>
		<description>Discuss ESP8266 WiFi relay switch</description>
		<link>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch</link>
		<lastBuildDate>Wed, 15 Apr 2026 10:12:15 +0200</lastBuildDate>
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			<title>profile says:</title>
			<link>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-815</link>
			<description><![CDATA[Need cheap hosting? Try webhosting1st, just $10 for an year. http://www.ehrhardtsc.com/links/genealogy/albums/userpics/11713/top-cheap-hosting-25440.jpg]]></description>
			<dc:creator>profile</dc:creator>
			<pubDate>Wed, 31 Oct 2018 18:29:10 +0100</pubDate>
			<guid>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-815</guid>
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			<title>MvincM says:</title>
			<link>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-764</link>
			<description><![CDATA[Hello. Nice project... almost all clear but I'm new in electronic subject... I don't understand this: "Then we need to connect relay module. Relay module has 5V power supply so we connect VCC to 5V power supply and GND is common to 5V and 3.3V. Next we connect relay module to IN to digital pin on Arduin board. Because relay module is powered by 5V and Arduino on 3.3V we will add transistor transistor 2N2222 and 10K resistor between modules" Could you explain it... You know "for dummies"... My realy bord couldn't be controled by 3V3 GPIO... Please help ;)]]></description>
			<dc:creator>MvincM</dc:creator>
			<pubDate>Tue, 10 Jan 2017 08:52:14 +0100</pubDate>
			<guid>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-764</guid>
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			<title>Super User says:</title>
			<link>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-409</link>
			<description><![CDATA[ yes, see http://iot-playground.com/build for more details...]]></description>
			<dc:creator>Super User</dc:creator>
			<pubDate>Sun, 20 Sep 2015 12:15:25 +0200</pubDate>
			<guid>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-409</guid>
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			<title>eliobou says:</title>
			<link>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-382</link>
			<description><![CDATA[Is it possible to use only the ESP8266 without arduino since it is a microcontroler as well ?]]></description>
			<dc:creator>eliobou</dc:creator>
			<pubDate>Fri, 28 Aug 2015 22:05:46 +0200</pubDate>
			<guid>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-382</guid>
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			<title>UC says:</title>
			<link>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-164</link>
			<description><![CDATA[Large number of Lua programs for standalone ESP8266 are appearing these days but for all of them the SSID and password are firmware coded.Therefore while one moves away from the tested network it does not work. I have seen only one ,very lengthy that provides the entry of SSID & password to be written in a webpage first while ESP is in own access mode and thereafter it goes to wifi mode so that one can use it any network.A simple Lua program with above features to switch on and off GPIO0 is required.]]></description>
			<dc:creator>UC</dc:creator>
			<pubDate>Sat, 11 Apr 2015 05:21:31 +0200</pubDate>
			<guid>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-164</guid>
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		<item>
			<title>Super User says:</title>
			<link>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-95</link>
			<description><![CDATA[ Computer is usually on the same network as ESP8266.]]></description>
			<dc:creator>Super User</dc:creator>
			<pubDate>Sun, 22 Feb 2015 13:10:56 +0100</pubDate>
			<guid>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-95</guid>
		</item>
		<item>
			<title>Saran says:</title>
			<link>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-94</link>
			<description><![CDATA[To which network our windows pc should be connected. Am getting error...:( Awaiting with anticipation...]]></description>
			<dc:creator>Saran</dc:creator>
			<pubDate>Sat, 21 Feb 2015 13:32:01 +0100</pubDate>
			<guid>https://iot-playground.com/2-uncategorised/16-esp8266-wifi-relay-switch#comment-94</guid>
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