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someone i know was looking at buying some Audio-Technica ATH-ANC7b. Does anyone have anything to say about these.

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So i did what you said but same problem. I think i no why. My pot isn't 100k (more like 5) could this be it. Thanks

this is what i using SparkFun Electronics - Mini Photocell

I have exactly what i want working using these parts • 1 Transistor 2N3904 • 1 Diode 1N 4002 • 1 Relay • 1 Photocell • 1 10k Ohm Resistor • 1 9 Volt Battery • 1 9 Volt Snap • LEDs the trouble is i lost the schematic and and the one i have made is glued in a box.

i've tried 2 photo cell on built into a little kit and one from sparkfun

so i made your schematic on a bread board and as soon as i add the battery the contact in the relay switches but then no matter how much light it gets it won't change the relay.

Sorry for the long wait but i kind of forgot:o. So i made a new schematic. This should make the light turn on when there is not laser in the photo cell. Could you please tell me if this will work. Thank You.

Well heres the full story. I needed a science fair project to make. I wanted to use lasers. So i thought of a system where when a moose crosses through a laser beam then lights turn on warning the driver. I found a diagram to make something like this so i did. I won the science fair and i am now...

this worked for me YouTube - Play Online WithOut Update Your PS3 Hack ( Working in All firmwares )

I was wondering if anyone could help me with this schematic. Pretty much when a light (or laser) is shone into the photo-cell then the relay switches and the leds turn OFF. Otherwise they are ON I created this schematic myself and was wondering if anyone could check it over and make sure it...

i second that i envy the maker

I'm 12 anyone younger

this ones kind of ugly but Mineral Oil Submerged PC

thats really awsome

Got a zero

My school has tvs in most classes where the show the announcements so i just mess around with them with my remote.

thanks

can you tell the difference between the amoled screen and the lcd screen thanks

Hi welcome to the forum and really it was -35 degrees Celsius (-31 F) when i woke up.