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In this project I will show you how I created an additional circuit for my speaker system in order to control it wirelessly with a homemade IR remote. Let's get started!

Step 1: Watch the Video!

The video gives you an overview on what you need to do to create your own IR receiver and transmitter. During the next steps I will present you additional information.

Step 2: Order Your Parts!

Here you can find a parts list with example seller for your convenience:

Amazon.com:

1x Perfboard with copper dots: http://amzn.to/2am6I2D

1x Arduino Pro Mini: http://amzn.to/2anrUm9

1x ATmega328-PU: http://amzn.to/2adv5tJ

1x 16MHz Crystal: http://amzn.to/2adv2Ok

2x 22pF Capacitor: http://amzn.to/2aduKXY

5x 10kΩ, 1x100Ω, 3x2kΩ Resistor: http://amzn.to/2anrWKB

1x IR LED: http://amzn.to/2aIpBcC

4x Tactile Switch: http://amzn.to/2aIpZYB

3x BC637 NPN BJT: http://amzn.to/2anrsEv

1x Button Cell Holder: http://amzn.to/2anrLit

1x Button Cell: http://amzn.to/2amsRYI

Amazon.de:

1x Perfboard with copper dots: http://amzn.to/2aAt9xO

1x Arduino Pro Mini: http://amzn.to/2aCkv3s

1x ATmega328-PU: http://amzn.to/2aCkIUm

1x 16MHz Crystal: http://amzn.to/2aAtcJW

2x 22pF Capacitor: http://amzn.to/2aAtcJW

5x 10kΩ, 1x100Ω, 3x2kΩ Resistor:http://amzn.to/2aAsWdV

1x IR LED: http://amzn.to/2aAsH2N

4x Tactile Switch: http://amzn.to/2aAtmB2

3x BC637 NPN BJT: http://amzn.to/2aCkPzl

1x Button Cell Holder: http://amzn.to/2aAt9Ot

1x Button Cell: http://amzn.to/2aCkKeP

Ebay:

1x Perfboard with copper dots: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

1x Arduino Pro Mini: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

1x ATmega328-PU: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

1x 16MHz Crystal: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

2x 22pF Capacitor: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

5x 10kΩ, 1x100Ω, 3x2kΩ Resistor: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

1x IR LED: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

4x Tactile Switch: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

3x BC637 NPN BJT: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

1x Button Cell Holder: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

1x Button Cell: http://rover.ebay.com/rover/1/711-53200-19255-0/1?...

Step 3: Create the Circuit!

Here you can find the schematic as well as reference pictures for the transmitter and receiver. You can also find the schematic here: https://easyeda.com/GreatScott/IRRemote-j0cMKIGfh

Step 4: Upload the Code!

Here you can download the code that you need upload to your Arduino Pro Mini and ATmega328-PU before testing out your circuits.

Remember to download and include the necessary libraries in your folder:

IRRemote: https://github.com/z3t0/Arduino-IRremote

LowPower: https://github.com/rocketscream/Low-Power

Step 5: Success!

You did it! You just created your own IR receiver and transmitter!


Feel free to check out my YouTube channel for more awesome projects:

http://www.youtube.com/user/greatscottlab

You can also follow me on Facebook, Twitter and Google+ for news about upcoming projects and behind the scenes information:

https://twitter.com/GreatScottLab

https://www.facebook.com/greatscottlab

<p>I just love watching these videos. Not only are they highly informative, but relaxing as well.</p>
<p>why IRsend irsend; on code doesn't work ,the problem say : 'IRsend ' does not name a type</p>
<p>I had the same problem, try reinstalling the ir library and delete '#include&lt;Irremote.h' and include it again with the Funktion 'include library' on the Arduino ide, then it should work ;)</p>
<p>thank you</p>
<p>Where in the code is the pin of the ir led stated? I can't seem to find it.</p>
<p>Look in the schematic</p>
<p>This one looks so creative..</p><p>I probably have to do a similar one in my set up soon...</p><p>Author- You have done a great job in power saving.. Thumbs UP</p>

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