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Picture of Dark Activated Night Light
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A dark activated night light.

Please also see this one by H4ZZ498
It's the same thing, he made it first thogh.

Step 1: Materials

Picture of Materials
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Breadboard (You could make a PCB if you want)
Any NPN transistor
One LDR
10k resistor ( Or trimpot for variable sensivity)
A LED ( You choose the color)
2X AA battery pack or any 3v battery
 
kmargie251 year ago
I love it! Totally gonna make it! Where did you get the such a small breadboard?!
Ploopy (author)  kmargie251 year ago

I live in China and I got the mini breadboards from taobao a Chinese service. You will can find these at RadioShack or at EBay. Thanks, please follow me if you liked it.

Ploopy (author)  Ploopy1 month ago

Here it is on Ebay for $3.44 each

http://www.ebay.com/itm/Mini-170-Tie-Points-Solderless-Breadboard-Prototype-Arduino-PIC-PI-PCB-/171435892749?pt=LH_DefaultDomain_3&var=&hash=item27ea60200d

ynze2 years ago
Hey Ploopy, nice project! It would be cool if you gave member H4ZZ498 some credit in your text, since you rebuild his project: http://www.instructables.com/id/Light-Sensitive-Night-Light/

It's good practice to refer to other I'bles you used...
Ploopy (author)  ynze2 years ago
I just changed it and pu a link to his ible at the top ↑
ynze Ploopy2 years ago
Cool! Now it's what Instructables is all about: Learn, make share :-)