DIGITAL FREQUENCY METER Using Arduino #projects #tech #arduino #science #technology #electronics

DIGITAL FREQUENCY METER Using Arduino | Creating a digital frequency meter using an Arduino is a useful and straightforward project. The Arduino can count the number of pulses within a specific time period and then calculate the frequency based on that count. step guide to building a basic digital frequency meter using an Arduino: Components Needed: 1. Arduino board (eg, Arduino Uno, Arduino Nano, etc.) 2. 16×2 LCD display (compatible with the Arduino) 3. Breadboard and jumper wires 4 Push-button switch (optional, for frequency range selection) 5. 10kΩ potentiometer (optional, for contrast adjustment of the LCD) Circuit Connection: 1. Connect the Arduino’s 5V pin to the VCC pin of the LCD. 2. Connect the Arduino’s GND pin to the GND pin of the LCD. 3. Connect the Arduino’s A0 to A5 pins to the DB0 to DB5 pins of the LCD, respectively. 4. Connect the Arduino’s D4 to D7 pins to the DB6 to DB7 pins of the LCD, 5. Connect the Arduino’s D8 pin to the RS (Register Select) pin of the LCD. 6. Connect the Arduino’s D9 pin to the E (Enable) pin of the LCD. 7. If you’re using a contrast adjustment potentiometer 8. If you’re using a push-button switch for frequency range selection, connect one terminal to an Arduino digital pin (eg, D2) and the other terminal to GND. You may want to add a pull-up or pull-down resistor (eg, 10kΩ) depending on your setup. How the Code Works: 1. The code sets up the LCD and 2. It also sets up an interrupt on pin D10, which will be used to count the pulses generated by the signal to be measured. 3. In the loop() function, the code checks if the range selection pin (if used) is in the high or low range mode. This helps to switch between high and low frequency measurements. 4. When the countPulse() interrupt function is triggered, it starts counting the number of pulses that occur within the specified measurement time (1000 milliseconds by default). 5. After the measurement time has elapsed, the frequency is calculated based on the number of pulses counted and displayed on the LCD. Upload the Code: 1. Connect your Arduino to your computer using a USB cable. 2. Open the Arduino IDE, copy the code above, and paste it into a new sketch. 3. Select the correct Arduino board and COM port from the “Tools” menu in the Arduino IDE. 4. Click the “Upload” button to upload the code to your Arduino board. Usage: 1. Connect the signal to be measured (eg, a square wave or a pulse signal) to the interrupt pin (D10 in this case) of the Arduino. 2. If you’ve included the push-button switch for range selection, press the button to toggle between high and low frequency ranges. 3. The measured frequency will be displayed on the LCD. To connect the push-button switch, connect one terminal of the switch to D2 ( or any other digital pin of your choice) and the other terminal to GND. You can also add a pull-up or pull-down resistor (eg, 10kΩ) to ensure the pin’s default state when the switch is not pressed.*** **************************************************** ****** If You Want To Purchase the Full Working Project KIT Mail Us: svsembedded@gmail.com Title Name Along With You-Tube Video Link We are Located at Telangana, Hyderabad, Boduppal. Project Changes also Made according to Student Requirements http://svsembedded.com/  https://www.svskits.in/ http://svsembedded.in/  http://www.svskit.com/ M1: +91 9491535690  M2: +91 7842358459 We Will Send Working Model Project KIT through DTDC / DHL / Blue Dart / First Flight Courier Service We Will Provide Project Soft Data through Google Drive 1. Project Abstract / Synopsis 2. Project Related Datasheets of Each Component 3. Project Sample Report / Documentation 4 Project Kit Circuit / Schematic Diagram 5. Project Kit Working Software Code 6. Project Related Software Compilers 7. Project Related Sample PPT’s 8. Project Kit Photos 9. Project Kit Working Video links Latest Projects with Year Wise YouTube video Links 157 Projects  https ://svsembedded.com/ieee_2022.php 135 Projects  https://svsembedded.com/ieee_2021.php 151 Projects  https://svsembedded.com/ieee_2020.php 103 Projects  https://svsembedded.com/ieee_2019 .php 61 Projects  https://svsembedded.com/ieee_2018.php 171 Projects  https://svsembedded.com/ieee_2017.php 170 Projects  https://svsembedded.com/ieee_2016.php 67 Projects  https:/ /svsembedded.com/ieee_2015.php 55 Projects  https://svsembedded.com/ieee_2014.php 43 Projects  https://svsembedded.com/ieee_2013.php 1100+ Projects https://www.svskit.com/2022 /02/900-projects-ideas_8.html **************************************** *****************