This week, we have invited a guest on our blog. Infinitus is one of our longstanding customers. They manufacture outdoor displays, and as you might guess, they have some use for Yoctopuce's light sensors. The Infinitus team wrote the article below and asked if we could publish it, we accepted.
Someone recently asked us how to interface an AMS TSL2591 ambient light sensor with the Yocto-I2C. It's an interesting question for two reasons: the TSL2591 is considerably more sensitive in low light than the Yocto-Light-V2 or the Yocto-Light-V3 and more particularly its I2C protocol is not the simplest to implement. It's an opportunity to test the limits of the Yocto-I2C autonomous job system.
Everyone knows that any measurement tends to disturb the physical quantity we are trying to measure. This issue is particularly blatant when you try to measure the temperature with a USB sensor. Some sensor types affect the temperature more than others, but there are ways to limit the problem. Let's look at this in more details...
We recently had to use our PHP library with the Symfony framework. We managed it without too much hassle, but we lost some time with some Symfony specificities. So, we thought that a post on the topic could interest you.
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