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Description: The SIS-2 monitors an IR receiver, and when a certain remote code is detected, an output pin will toggle. Two outputs are available and any code on any remote can be taught to the SIS-2. This makes it simple to implement an infrared (IR) remote controllable switching solution for a wide variety of applications. When used with an inexpensive IR receiver module, the SIS-2 recognizes IR signals from 2 independent IR remote control sources, and provides 2 modes of switching for your application.

The IR sources can be from the same or multiple remotes. Works with over 99% of IR remotes, both universal and dedicated types. IR code is easily “taught“ by user with a few simple button presses on the IR remote. IR code is stored in non-volatile, re-programmable memory. Applications include switching and on/off control of two sources, volume control, digital pots, and servos.

Want to build an ultimate universal remote? Check out this popsci article!

Documents:Datasheet

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Customer Comments

  • Here’s a breakout/eval board for this chip: https://www.tindie.com/products/AtomSoft/sis-2-developement-board/

  • Not sure if useful but that popsci article is: http://www.popsci.com/diy/article/2008-10/make-master-remote

  • “popsci article!” link is dead

  • Hello there, can any one please tell me how to program OUT 2 at pin#2 ??? i successfully programmed out1(pin#3) to some button , but can’t program out2(pin#2) to another button…. thanks in advance

  • Used one of these about two years ago to modify an old art deco lamp to remote control for the wife. It’s been working great and so I decided it was time to upgrade the lighting in our living room as well and built a version of indirect flood lighting off the vaulted ceiling that works like a 3 way lamp - turns on floods additive (1,2,4 at a time, OFF code at anytime turns all out). Used the expensive LED PAR38 Warm White lamps (only 100w w/all on). Couldn’t be more pleased with the result. This chip is awesome!

  • Do you guys have plans to carry the SIS-7C?

  • I used this with the SEN-08554 IR receiver and with a Windows Media Center compatible remote. The combination works well so far in my tests. I have set the SIS-2 to discrete button mode so that I can use it to toggle power to my media center PC. I will use an Arduino board between them to handle the logic of commanding the power switch on the computer and to flash a LED to tell me the status of everything.

    The IR Receiver is optimized 38kHz and the WMC remotes are running at 36 kHz but this does not seem to be a problem so far.

    What I have working so far is that one remote control button will turn on the output regardless of how many times I press it. The other button will turn off the output regardless of how many times I press it.

    I hope this little bit of information may help others…

  • I imagine I could use this for “dirty” remotes that don’t operate at 38Khz and that have their own “codes”; like the remotes for cheap RC toys, am I right? I would want to use this for the Lego Power Functions.

    • This is an infrared receiver and will not function for any sort of radio-controlled implementation.
      Unless, of course, these RC toys are using infrared (which would make them very picky and hard to use :P).

      • Yeah, sorry. I didn’t explain that the PF remote control stuff is IR. There is more info on the PF code here here. Thanks

      • Many of the new cheap indoor R/C Helicopters use IR to control… In fact all of the 4 I have owned (different cheap asian imports) used IR.
        They’re not at all picky or hard to use in their intended environment; indoor rooms at less than 40 feet away.

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