Speed Up UTorrent 2.0 (HD)
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Video Rating: 4 / 5
I have been making more progress. I wanted to post this video for two reasons: 1) to show the corrected output of the single sensor configuration, which was a blinking problem in the last video. & 2). to demonstrate the successful test of a dual sensor configuration. Having two sensors next to each other makes calibration much more difficult as the ambient environment is now changing around the sensor while it is trying to nail down a solid reference value. I imagine the calibration code working acts much like an under-dampened transform, but since everything is happening so fast, our patience is not too tested. I apologize for the background noise. I am current out at sea, onboard a ship in the Gulf of Mexico. That noise which sounds like an electric motor in the background, is just that. The vessel’s bow thrusters (multi-ton AC motors) are running and, even though they are way down in the engine room, they are still loud enough to be heard and felt throughout the vessel. Seas are a bit more rough today. Let me also add a note about the vertical lines in the video, which the camera picks up from the LED dimming code. The brightness of the LED is set, not through hardware PWM, but done in the main code. An internal 8 bit timer counts up (0 to 255) and issues an interrupt which simply advances a “count” variable (which is also an 8 bit wide variable (256 values)). While the count variable is incremented by the timer overflow interrupt service routine, at certain count …
Video Rating: 5 / 5