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Diffstat (limited to 'content/blog/led-characterization')
| -rw-r--r-- | content/blog/led-characterization/index.rst | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/content/blog/led-characterization/index.rst b/content/blog/led-characterization/index.rst index 6ad4d64..94de4d3 100644 --- a/content/blog/led-characterization/index.rst +++ b/content/blog/led-characterization/index.rst @@ -19,7 +19,7 @@ really important so you could dim it down a lot without flickering. I ended up u .. raw:: html - <figure> + <figure data-pagefind-ignore> <img src="images/rgb_cube.svg" alt="An illustration of the RGB color cube."> <figcaption>An illustration of the RGB color cube. <a href="https://commons.wikimedia.org/wiki/File:RGB_color_cube.svg">Picture</a> by @@ -46,7 +46,7 @@ transformation. .. raw:: html - <figure> + <figure data-pagefind-ignore> <img src="images/hsv_cylinder.png" alt="An illustration of the HSV color space as a cylinder."> <figcaption>An illustration of the HSV color space as a cylinder. <a href="https://commons.wikimedia.org/wiki/File:HSV_color_solid_cylinder.png">Picture</a> by @@ -67,7 +67,7 @@ particular in the blues and greens we loose *a lot* of colors to sRGB. .. raw:: html - <figure> + <figure data-pagefind-ignore> <video controls loop> <source src="video/sRGB.mkv" type="video/h264"> <source src="video/sRGB.webm" type="video/webm"> @@ -98,7 +98,7 @@ over the problem, there are several sources for imperfections: .. raw:: html - <div class="subfigure"> + <div class="subfigure" data-pagefind-ignore> <figure> <img src="images/driver_ringing_strong.jpg" alt="Strong ringing on the LED voltage waveform edge at about 100% overshoot during about 70% of the cycle time."> @@ -160,7 +160,7 @@ spectrum of the phosphor. .. raw:: html - <div class="subfigure"> + <div class="subfigure" data-pagefind-ignore> <figure> <img src="images/spectrograph_step1_parts.jpg"> <figcaption>The ingredients. The cup of coffee and Madoka Magica DVD set are essential to the eventual @@ -195,7 +195,7 @@ different colors on their pictures. Some other sensor was needed. .. raw:: html - <figure> + <figure data-pagefind-ignore> <img src="images/daylight_spectrum_dvd.jpg"> <figcaption>The daylight spectrum as seen using a DVD as a grating. <a href="https://commons.wikimedia.org/wiki/File:SpectresSolaires-DVD.jpg">Picture</a> by @@ -235,7 +235,7 @@ trimpot on the virtual ground both amplifers use as a reference so I could trim .. raw:: html - <figure> + <figure data-pagefind-ignore> <img src="images/preamp_schematic.jpg" alt="A drawing of the photodiode preamplifier's schematic"> <figcaption>The photodiode preamplifier schematic. Schematic drawn with an unlicensed copy of DaveCAD.</figcaption> @@ -255,7 +255,7 @@ here. .. raw:: html - <div class="subfigure"> + <div class="subfigure" data-pagefind-ignore> <figure> <img src="images/preamp_front.jpg"> <figcaption>The front side of the preamplifier board.</figcaption> @@ -290,7 +290,7 @@ The whole unit with photodiode preamplifier, linear stage, photodiode and steppe .. raw:: html - <figure> + <figure data-pagefind-ignore> <img src="images/electronics_whole.jpg" alt="The complete electronics setup of the spectrograph. In the back there is the DVD drive stepper stage. In front of it, mounted on a piece of wood are a small USB-to-12V switching-regulator module to power the stepper motor in the top left, below on the bottom left is the @@ -338,7 +338,7 @@ begin. .. raw:: html - <figure> + <figure data-pagefind-ignore> <img src="images/raw_plot_cheap_rgb.svg" alt="A plot with three wide peaks, two large peaks on both sides and one smaller one in the middle. The middle one overlaps the two on the sides. The large ones are about 2.5V in amplitude. Overall, the plot is about 300 stepper steps wide with each peak being around 130 steps wide."> @@ -375,7 +375,7 @@ of the blue peak towards red. .. raw:: html - <figure> + <figure data-pagefind-ignore> <img src="images/photodiode_sensitivity.svg" alt="A plot of photodiode sensitivity against wavelength relative to peak sensitivity at 820nm. The sensitivity rises from 20% at 380nm approximately linearly to 80% at 620nm, then the rise rolls off."> @@ -394,7 +394,7 @@ wavelength in nanometers. .. raw:: html - <figure> + <figure data-pagefind-ignore> <img src="images/processed_plot_cheap_rgb.svg" alt="A plot with three wide peaks, all three of different heights. The leftmost peak is highest at 6nA, the middle peak lowest at 1.6nA and the rightmost peak in between at 4nA. The middle one overlaps the two on the sides. Overall, the plot spans about 300nm on its x axis with @@ -428,7 +428,7 @@ models can be found in the `project repo`_. .. raw:: html - <figure> + <figure data-pagefind-ignore> <video controls loop> <source src="video/led_within_srgb_scale=1.0.mkv" type="video/h264"> <source src="video/led_within_srgb_scale=1.0.webm" type="video/webm"> |