Components Required: Arduino Uno/Nano HC-SR04 Ultrasonic Sensor 16x2 LCD with I2C Module Buzzer Jumper Wires Wiring Diagram: How It Works: The HC-SR04 ultrasonic sensor measures distance by sending an ...

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), 16×2 LCD and a few other components. The ...

Bill of Material TDS Meter – Arduino Code Most TDS meters have an analog pin that reads the analog value and converts it into TDS reading in Parts Per Million (ppm). There are many TDS sensors for ...

Need to check a voltage don't have a voltmeter just add a few lines of code and one analogue input to your project and you can check voltages This repo has basic easy to use volt, ohm, and amp meters ...

With 3 LEDs and 4 resistors, it is enough to build a battery charge meter with Arduino. Building the circuit with Arduino Once all the information has been collected, we proceed to the assembly. In ...

Programming Arduino Nano for Solar Irradiance Measurement Here we have programmed Arduino nano to initialize the BH1750 object using the default high-resolution continuous mode and then make a light ...

[Fran’s] been working on her own version of the Arduino. She calls it CuteUino for obvious reasons. The size of the thing is pretty remarkable, fitting within the outline of an SD card. But t… ...

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 ...

We also validate our proposals in experiments using a hardware prototype that embeds Arduino microprocessors, SRAM memories, and voltage sensors. The results show that our idea is suitable for ...