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zakruti.com » Knowledge, science, education » GreatScott!
HACKED! : Speaker System gets an IR Remote

HACKED! : Speaker System gets an IR Remote

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Rating: 4.0; Vote: 1
HACKED! : Speaker System gets an IR Remote Rafa: Nice but I think that waking up the CPU of you remote controller can be done without extra button wake-up. I solved it in my project by connecting all available buttons to some Interrupt pin (lets assume that you configure this interrupt at pin value change, set this pin as input and pull down to 0. As far as I remember wake up from power saving mode can be configured by external interrupt so just single press of any button will wake cpu up and more you can put in this interrupt a procedure to detect which button was pressed without doing it in main loop. And even more I think that with such solution you can put CPU to sleep straight away after a signal was sent without any special delay, this would extend battery life cycle significantly.
Date: 2020-09-05

Comments and reviews: 9


Hi sir My Name is Anilkumar from India I have a one small sound bar system but it working only manual operating I want to be a Remote control setting please explain me how to set up.
It's manual operated
1) on/off, 2) play/pause,
3)Mode: SD card, Bluetooth, USB and FM, 4)Volume up/forward 5)Volume Down/Rewind (previous) this is I using manual operating and on/off its behind of sound bar and very small buttons its very problem to operating therefore I want go for remote setting. Please advise me sir this is possible to setting to remote.

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I sent this via --> irsend. sendNEC(0x34895725, 32); and receive this if i write it in Serial Monitor --> C1D740A9
In wich parallel universe and in what Rules of Thermodynamic or something is this possible or is just every Arduino i have broken and sends for every incoming HEX Value some Cryptic ####
If so i have found a better encryption with 5 lines of code which is better than AES 256 and Quantum Crypto ( thing ) together.
?

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Remote control lost. Levels of nerdism:
Mere mortals: I buy a new remote control.
Nerd Level 1: I try a universal remote control.
Nerd Level 8: I google the remote codes.
Nerd Level 64: I try to read the code from the Atmega
Nerd Level 256: I build a set up that brute forces possible codes.
Great Scott: I build my own control.

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GreatScott, your sound system has already an IR receiver, why not simply clone the native remote it came with, lets say for example its original remote broke. It would have been easier for most people to clone the broked remote. So it would have been a project that would have saved a lot of people.
Great video as always; )

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Is there a way to clone an existing remote? Can I read what the current remote is sending? I don't have an oscilloscope so need to use the Arduino itself to read and maybe show me the whatever it read on Serial monitor.
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GREAT SCOTT your videos are TOO GREATER than majority that watching your videos. All we need learning purposes videos on arduino. nothing can learn from this type miracle videos. please understand
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nice project, but too complicated for the simple hobbyist. me!
I bought a very nice small programmable remote for 3dollar at Ali. also 3volt coin battery.
top that. incl nice casing.

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Since speaker system already has avr microcontroller, I would get the assembly from the mcu and reprogram to work it with custom ir codes as well.
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Awesome tutorials
Can you please tell that is it possible to get the arduino code which is uploaded on our board to our laptop?

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