Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back ...

Abstract: Kim Fowler and John Schmalzel introduced many of the common sensor strategies that constitute the first stage in the measurement chain. While every element of that chain is important, the ...

In-display fingerprint sensors are all the rage right now but there’s a big barrier that makes the technology difficult to trickle down to low-cost smartphones. In-display fingerprint sensors, be it ...

In-display fingerprint sensors will soon no longer be a feature restricted to smartphones with OLED screens. According to Lu Weibing, the general manager of the Redmi phone brand, the company’s ...

For those that don’t know, Gaggia is a company that produces a line of affordable “entry-level” espresso coffee makers that offer good quality consumer espresso machines at reasonable prices. The ...

// C++ code // include the library code: #include // initialize the library with the numbers of the interface pins LiquidCrystal lcd(12, 11, 5, 4, 3, 2); int ultrasonic = 0; long ...

In this article we decided to make a PID Controller based Heater that can be used to control the temperature of the hot end of the 3D printer or by slightly modifying the device it can control the ...