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Thanks to EasyEDA for sponsoring this video.
Check out their free circuit design tool here: https://easyeda.com
Project files on EasyEDA: https://easyeda.com/GreatScott/IRRemo...
More project information (code, pictures,....) on Instructables: http://www.instructables.com/id/How-t...

Parts list (affiliate links):
Aliexpress:
1x Perfboard with copper dots: https://s.click.aliexpress.com/e/_dXx...
1x Arduino Pro Mini: https://s.click.aliexpress.com/e/_d62...
1x ATmega328-PU: https://s.click.aliexpress.com/e/_dTE...
1x 16MHz Crystal: https://s.click.aliexpress.com/e/_dTS...
2x 22pF Capacitor: https://s.click.aliexpress.com/e/_dU4...
5x 10kΩ, 1x100Ω, 3x2kΩ Resistor: https://s.click.aliexpress.com/e/_dTP...
1x IR LED: https://s.click.aliexpress.com/e/_dYX...
4x Tactile Switch: https://s.click.aliexpress.com/e/_dXI...
3x BC637 NPN BJT: https://s.click.aliexpress.com/e/_dW7...
1x Button Cell Holder: https://s.click.aliexpress.com/e/_d8Z...
1x Button Cell: https://s.click.aliexpress.com/e/_dXA...
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/1/711-532...
1x Arduino Pro Mini: http://rover.ebay.com/rover/1/711-532...
1x ATmega328-PU: http://rover.ebay.com/rover/1/711-532...
1x 16MHz Crystal: http://rover.ebay.com/rover/1/711-532...
2x 22pF Capacitor: http://rover.ebay.com/rover/1/711-532...
5x 10kΩ, 1x100Ω, 3x2kΩ Resistor: http://rover.ebay.com/rover/1/711-532...
1x IR LED: http://rover.ebay.com/rover/1/711-532...
4x Tactile Switch: http://rover.ebay.com/rover/1/711-532...
3x BC637 NPN BJT: http://rover.ebay.com/rover/1/711-532...
1x Button Cell Holder: http://rover.ebay.com/rover/1/711-532...
1x Button Cell: http://rover.ebay.com/rover/1/711-532...

In this episode of HACKED! 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.

Music:
2011 Lookalike by Bartlebeats