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Author Topic: RF switch to control nightlight  (Read 332 times)
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Hello Jedi Masters,

I have been commissioned to design a compact, simple and cheap method of remote activating a nightlight.  Essentially, I want to activate an LED for 2 minutes when a remote button is pushed.  The nightlight (receiver) has to be contained within a 2" x 2" x .5" space, must be powered by a lipo battery, and be rechargeable by USB.  I've covered the powering and lighting side of things, but this will be my first experience working with radio communication and Arduino.

I believe https://www.sparkfun.com/products/10534 and https://www.sparkfun.com/products/10532 are my best bets, and I'm pretty sure I can figure out how to configure the receiver to an Arduino pro mini.

However, for the transmitter, I was wondering if there was a way to either use an ATTiny85 (to keep the remote small and cheap), or if I can transmit a signal without an Arduino at all.  I'm aware that noise is probably going to make the latter option impossible, but perhaps someone with more knowledge (or any knowledge) can weigh in on what my best option might be to keep this as cheap and simple as possible.

Thanks!
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Have you considered...
https://www.google.com/search?q=arduino+key+fob+transmitter+and+receiver
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