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audioguru
Nobel Prize Winner

Canada
4218 Posts
Posted - May 01 2010 :  12:50:32 PM  Show Profile  Reply with Quote
Your new circuit will not work unless you remove the diode.
The 36kHz carrier for the IR pulses must be modulated in "bursts" (explained in the datasheet)for good range.

Why are most circuits posted on the internet WRONG?
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aravindj36
Apprentice

India
57 Posts
Posted - May 02 2010 :  09:08:33 AM  Show Profile  Visit aravindj36's Homepage  Reply with Quote
Well i dont know why .could anyone give me a working cicuit ithink its been too long since the post began.And now i've managed to get an L14F1
phototransistor giving 60Rs (today 1 us$=Rs50).For me thats too much but a tsop1838 costs me just Rs10
Help me my amplifier is on fire and my speaker is inside a beaker
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aravindj36
Apprentice

India
57 Posts
Posted - May 04 2010 :  05:31:13 AM  Show Profile  Visit aravindj36's Homepage  Reply with Quote
will this work http://www.shreeramindia.com/kits_n_spares/electronics%20projects/Electronic%20Watchdog.htm
Help me my amplifier is on fire and my speaker is inside a beaker
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audioguru
Nobel Prize Winner

Canada
4218 Posts
Posted - May 04 2010 :  10:21:33 AM  Show Profile  Reply with Quote
Most circuits from that website in India are very old and do not work or work very poorly.
The IR transmitter does not send bursts of 38kHz pulses so the TSOP IR receiver turns down its gain and then the range is very small. It needs another 555 oscillator to create the bursts.
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aravindj36
Apprentice

India
57 Posts
Posted - May 05 2010 :  11:38:10 AM  Show Profile  Visit aravindj36's Homepage  Reply with Quote
well then is their any way i can create a continuos non fluctuating pulse from the tsop so that i could configure it as a potential divider and drive a relay
Help me my amplifier is on fire and my speaker is inside a beaker
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audioguru
Nobel Prize Winner

Canada
4218 Posts
Posted - May 05 2010 :  6:43:38 PM  Show Profile  Reply with Quote
An IR receiver IC is made to give an output of varying pulses from the varying pulses from a remote control transmitter. Since you want a non-fluctuating DC output then your receiver circuit must include a mono-stable multivibrator or a flip-flop latch.
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aravindj36
Apprentice

India
57 Posts
Posted - May 09 2010 :  02:25:25 AM  Show Profile  Visit aravindj36's Homepage  Reply with Quote
In the given circuit will the input given to pin no 11 be a stable onehttp://www.dsaprojects.110mb.com/electronics/ir/ir-1_sch.gif
Help me my amplifier is on fire and my speaker is inside a beaker
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audioguru
Nobel Prize Winner

Canada
4218 Posts
Posted - May 09 2010 :  11:38:32 AM  Show Profile  Reply with Quote
The link to your schematic does not work.
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aravindj36
Apprentice

India
57 Posts
Posted - May 16 2010 :  07:05:50 AM  Show Profile  Visit aravindj36's Homepage  Reply with Quote
OK then from which all pins of the circuit from shreeram give me a continuos signal forget the tx
Help me my amplifier is on fire and my speaker is inside a beaker
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aravindj36
Apprentice

India
57 Posts
Posted - May 16 2010 :  07:30:16 AM  Show Profile  Visit aravindj36's Homepage  Reply with Quote
<a href="http://hyperwebenable.com/?saref=6sa5896"><img src="http://hyperwebenable.com/images/addbanner.gif" alt="Visit this site."></a>
Help me my amplifier is on fire and my speaker is inside a beaker
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audioguru
Nobel Prize Winner

Canada
4218 Posts
Posted - May 16 2010 :  09:11:06 AM  Show Profile  Reply with Quote
Who is Sheeram?
Your links do not work.
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aravindj36
Apprentice

India
57 Posts
Posted - May 17 2010 :  02:28:08 AM  Show Profile  Visit aravindj36's Homepage  Reply with Quote
Not someone it is the link i had given earlier it starts shreeram electronics
Help me my amplifier is on fire and my speaker is inside a beaker
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pebe
Nobel Prize Winner

United Kingdom
1078 Posts
Posted - May 17 2010 :  04:22:24 AM  Show Profile  Reply with Quote
quote:
Originally posted by aravindj36

Not someone it is the link i had given earlier it starts shreeram electronics
ALL of your links are to websites. None of them refer to a circuit.
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aravindj36
Apprentice

India
57 Posts
Posted - May 24 2010 :  01:54:13 AM  Show Profile  Visit aravindj36's Homepage  Reply with Quote
ok will this work http://home.cogeco.ca/~rpaisley4/IRProxOscReceiver.GIF and please which one of the 2 circuits are better
Help me my amplifier is on fire and my speaker is inside a beaker
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