Changes between Version 8 and Version 9 of HackingIRDongle
- Timestamp:
- 11/21/12 14:00:23 (10 years ago)
Legend:
- Unmodified
- Added
- Removed
- Modified
-
HackingIRDongle
v8 v9 25 25 This is just a guide. 26 26 27 Download i-helicopter from play store. 28 Use a dual head audio cable to connect audio jack of android device to line-in/microphone in laptop, run the app, turn volume up to highest, and move the throttle to a middle point. 29 Start recording with Audacity. The left channel is the IR code without carrier, the right channel is IR code with carrier. 30 IR code in audio/wave format is pretty easy to understand: 27 * Download i-helicopter from play store. 31 28 32 small volume 29 * Use a dual head audio cable to connect audio jack of android device to line-in/microphone in laptop, run the app, turn volume up to highest, and move the throttle to a middle point. 30 31 * Start recording with Audacity. The left channel is the IR code without carrier, the right channel is IR code with carrier. 32 33 [[Image(wiki:Attachments:orbit-IR-collections-audacity.jpg)]] 34 35 36 37 == IR code in audio/wave format is pretty easy to understand == 38 39 * small volume 33 40 [[Image(wiki:Attachments:Small_volume.png)]] 34 41 35 middle volume42 * middle volume 36 43 [[Image(wiki:Attachments:Middle_Volume.png)]] 37 44 38 45 39 MAX Volume46 * MAX Volume 40 47 [[Image(wiki:Attachments:Max_Volume.png)]] 48 41 49 42 50 You can tell from the pictures, that the signal is originally a sine wave. With volume going up, the signal gets cut off and then becomes a square wave, which is the IR Code we want to send out. (that's why we need to turn the volume up to max to use the IR dongle).