Sensing Humidity With The HIH-4030 + Arduino

Humidity is weird. Even though we experience it all the time, it’s not something we can normally guess with any accuracy. This is probably because when we talk about humidity, we are talking about relative humidity. Relative humidity is relative to temperature, so a change in temperature alone is enough to change the relative humidity.… Continue reading Sensing Humidity With The HIH-4030 + Arduino

Sensing Weight With A Flexiforce + Arduino

Felxiforce is a force sensor that is very similar to FSRs we just wrote about in principal. They change their resistance when you apply force to them. (The flexi part of the name is because they are flexible) Felxiforces are about twice as expensive as their FSR cousins, but these are much more stable, and… Continue reading Sensing Weight With A Flexiforce + Arduino