Using Arduino UNO as remote controller for DTV

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hi, name xarlyx , here's problem:

i have dtv reciever atom brand, today controller has felt ground , doesn't work. thinked in batteries have unscrew controller , pcb broken looking arduino thinked "cool idea" gathered ir led dead controller , arduino board how works controller? know controllers have light code morse don't know be, can find codes?  full serial name of dtv atom dt-56chp tdt reciever usb , sd card reader.

so reading problem , apporting response

if want decode ir 32khz bandwisth based morse code have use decoder 1738 ir receiver , read pin toggling intervals (the difference between time 1738 on off)


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