This Arduino-based distance meter can be used for measuring the distance between the sensor and object in the range of 2cm to 400cm using an ultrasonic sensor.The author’s prototype and ultrasonic ...

Fig. 2: Block diagram of digital frequency meter Circuit and working. The circuit diagram of the digital frequency meter is shown in Fig. 3. It consists of Arduino Uno board, optocoupler MCT2E (IC1), ...

However, a capacitance meter is a handy piece of gear, ... Well, as it turns out you can actually measure capacitance using your Arduino Uno, with no external components, and only ~20 lines of code.

To solve this problem, I decided to create my own LC meter using an Arduino and only passive external components. By combining the "Two Pin" capacitance tester with RobotZer0's idea of using the ...

Title: Introducing an Arduino Pro Mini Based Electronics Components Tester Are you tired of guessing whether your electronic components are functioning properly? Say hello to the Arduino Pro Mini ...

3. Cables for the connection between the components and the board. 4. 3 220 Ω resistors. 5. 1 10 kΩ resistor. 6. 1 5mm red LED. 7. 1 yellow 5mm LED. 8. 1 green 5mm LED. As you can see it is a very ...

The parts arrived for the RPM meter that uses an Arduino and reciprocal counting to get a three-times-a-second update rate with 1rpm resolution. Arduinos plus ready-made modules are a very qick route ...

If you however wondered just how fast your car really is, you might be interested in this DIY Arduino G Meter which has been created using a Arduino with an accelerometer and a small LCD display ...

The series of five 10 minute videos follow an instructive and entertaining journey through the use of the Robot, and show Massimo Banzi, along with Arduino co-founder David Cuartielles and Interaction ...