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added datasheet and store links

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Kristjan Komlosi
2019-07-08 10:14:11 +02:00
parent 311137fd0a
commit 674692c2fc
1 changed files with 7 additions and 2 deletions
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docs/dev-guide.md
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@@ -49,6 +49,7 @@ values, ending with a newline. The order is alphabetical, which is __different
from wavelength order__. See the datasheet for more information.
## VEML6075
_[Datasheet][2ds] [Buy breakout board][2]_
This chip communicates through I2C and provides TeraHz with UVA and UVB
irradiance readings. It's not an ideal chip for this task, as it's been marked
@@ -70,7 +71,7 @@ derived, and even Vishay's tech support doesn't know how exactly to calculate
the irradiance.
## APDS-9301
_[Datasheet][3ds] [Buy breakout board][3]_
This chip measures illuminance in luxes and like the VEML6075, connects through
I2C. Unlike the VEML6075, this chip is very good at its job, providing accurate
and fast results without undefined mathematics or required calibration.
@@ -80,7 +81,9 @@ as the formula for Lux calculation is only defined for that setting. This
initialization is handled by the sensors module.
The lux reading is derived from two channels, descriptively called CH0 and CH1,
residing in respective 16-bit registers at addresses `0xAC` and `0xAE`.
residing in respective 16-bit registers at addresses `0xAC` and `0xAE`. After a
successful read of both data registers, the lux value can be derived using the
formula in the sensor's datasheet.
@@ -88,3 +91,5 @@ residing in respective 16-bit registers at addresses `0xAC` and `0xAE`.
[2]: https://www.sparkfun.com/products/15089
[3]: https://www.sparkfun.com/products/14350
[1ds]: sensor-docs/AS7265x.pdf
[2ds]: sensor-docs/veml6075.pdf
[3ds]: sensor-docs/APDS-9301.pdf