Universal Remotes are cheap $5-$20, doubt anyone has gone to the trouble of building their own, as it would cost more and likely look like crap.Anybody has the schematic diagram of a universal remote control that can operate most of the home theater system??
Hi and thanks to all Bros/Sis who replied to my thread.
First of all, the reason why i need to locate the schematic of a universal remote control was to understand in detail the circuitry on how the remote control works.The reason being I am currently trying to design some hardware which will automatically pause the hi-fi/dvd or mute the tv upon the arrival of an incoming call.I had already design the front part which consistutes of a phone detector circuit which will trigger the RF TX upon arrival of the telephone ringing, an RF RX will be placed in another room which the theather system is lcoated.Upon recieving the signal,"something needs to happen" to trigger the mute or pause.
Anybody can give me some idea how i could design the last part.My initial idea was to integrate a universal remote control to the RF RX but i do not know how i can do it.Please englighten.
I wouldn't say it can't be done in hardware only, but not very sane or reasonable. Sort of like building a calculator without silicon. Remotes send codes, which is what computers are built for, so use one.One idea was to design a PIC microcontroller to program the remote control codes.But my programming sucks, is there any other way which i can make use of hardware only to achieve my objective?
Hi, may i know where can i download the codes?I wouldn't say it can't be done in hardware only, but not very sane or reasonable. Sort of like building a calculator without silicon. Remotes send codes, which is what computers are built for, so use one.
There is a web project (I built one) called TV-B-Gone. You can download all the project files and code, buy a kit, or ready built. Mentioning this, because you could modify the codes to pause or whatever. If the goal was to just kill the noise when the phone rings, this would shut the TV off, as is. But it's pretty close to what you want, most of the tough work is done. You just need to find the codes, or figure a way to make it learn from your remotes...
Do you think if its possible to modify from existing universal remote control?the hardware?I wouldn't say it can't be done in hardware only, but not very sane or reasonable. Sort of like building a calculator without silicon. Remotes send codes, which is what computers are built for, so use one.
There is a web project (I built one) called TV-B-Gone. You can download all the project files and code, buy a kit, or ready built. Mentioning this, because you could modify the codes to pause or whatever. If the goal was to just kill the noise when the phone rings, this would shut the TV off, as is. But it's pretty close to what you want, most of the tough work is done. You just need to find the codes, or figure a way to make it learn from your remotes...
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