You would have probably read about the SONAR that’s used in ships. By taking the same concept into a small form factor we get a distance sensor. This sensor is available in multiple variants and I’ll ...

UV (ultraviolet) sensors of all sorts have been an interest of mine. They become interesting when you find the diversity of real-world practical applications. While searching for affordable UV light ...

In this post we will scratch the surface of a common analog steam sensor module. We will go over usual (and unusual) examples and ideas! Although I tried, I could not find the schematic of this module ...