Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

Researchers developed a highly sensitive light-based sensor that can detect low concentrations of cancer biomarkers in the blood. When the biomarker is detected, the Cas12a protein used for CRISPR ...

Scientists have developed a fully transparent skin sensor that accurately measures UV radiation, detecting light and converting it to electrical signals. So when the Sun's rays reach damaging levels, ...

Xiaomi Motion Sensor Night Light 2 is a versatile, smart lighting solution that makes your nighttime navigation safe and comfortable. Its innovative features, combined with a user-friendly design, ...

The Qsen-07 multi-sensor board is an ESP32 wireless development board that combines several useful sensors into one device, making it easier to control, monitor, and enhance your home environment. It ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Abstract: The massive quantity of electricity gets used in lights through roadways in India. Still, roadways remain empty for nearly all of the day after at night, with a handful of cars passing ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...