Tag Archives: Reverse engineering

AnalysIR Video Tutorial – Reverse Engineering Tool

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We have just launched a short 11 minute AnalysIR video tutorial  introducing the use of the Reverse Engineering Tool feature in AnalysIR, which is available via YouTube. The tutorial covers the important points in reverse engineering in infrared signal of a Toshiba Air  Conditioner. We focus in on the temperature field and show the process to identify the bits within the signal related to the temperature. Users of AnalysIR can follow this process to reverse engineer their own signals using this powerful tool.

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Latest release of AnalysIR V1 preview #3 is now available for download

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Dublin, Ireland – 27th August 2015. We are happy to announce the latest release of AnalysIR V1 preview #3 is now available for download by our backers & supporters. Existing users of AnalysIR will receive an email with instructions on how to download this version. New users will receive the details as part of the registration process.

AnalysIR Screenshot
AnalysIR Screenshot

A major highlight of this release is full AnalysIR support for our soon to be released A.IR shield. A.IR was designed to function as a high-end input/otput IR device for AnalysIR and will also work with IRremote, IRLib and any other Arduino sketch. More details will be published soon.

View the AnalysIR Product Sheet(PDF)

We would like to extend a big thanks to the many users around the world who have helped with feature requests, new protocols and testing over the past 2 years.

Some Highlights in this latest release include:

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Reverse engineering the Panasonic AC Infrared protocol

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Recently, two of our users in France (Vincent & Mathieu) collaborated to reverse engineer the Panasonic AC Infrared protocol, one of the more challenging AC Infrared protocols using AnalysIR. Not only did they identify the codes & checksum but also provided some impressive documentation and full source code to help others. Detailed information is available via GitHub which is linked below. This 216 data bit Panasonic AC Infrared protocol is composed of two consecutive frames. The first frame remains constant for every command sent to the AC unit. In common with most AC units the complete configuration is sent with every IR signal (temperature, fan, swing etc…). AnalysIR was used to record and turn the signal into HEX/Binary format from which the reverse engineering of the individual fields was tackled.

AnalysIR - Panasonic AC 216 bit Infrared signal
AnalysIR – Panasonic AC 216 bit Infrared signal

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