Samantha Ghartey
Published

RSSI Measurement Simulation

A simple Arduino circuit that mimics the measurement of RSSI

BeginnerFull instructions provided100
RSSI Measurement Simulation

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
Rotary potentiometer (generic)
Rotary potentiometer (generic)
×1
LED (generic)
LED (generic)
×1
Resistor 100 ohm
Resistor 100 ohm
×1

Software apps and online services

Tinkercad
Autodesk Tinkercad

Story

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Schematics

RSSI Measurement Simulator

Code

Untitled file

C/C++
const int outputPin = A0;
int LEDs[] = {7,8,10,12,13};  
int numOfLEDs = sizeof(LEDs) / sizeof(LEDs[0]);



void setup(){
  for (int i = 0; i < numOfLEDs; i++) {
    pinMode(LEDs[i], OUTPUT);
  }

 pinMode(outputPin,INPUT);
  Serial.begin(9600);

}

void loop()
{
  float outputVoltage = analogRead(outputPin);
  // since analog read returns values btwn 0mand 1023,
  // we'd convert it to values between 0dbm and -100dbm using linear interpolation
  float Pdbm =  map(outputVoltage, 0, 1023, -100,0);
  Serial.print("RSSI: ");
  Serial.print(Pdbm);
  Serial.print("dbm");
  Serial.print("\n");
  //lighting of leds depending on rssi
  int ledsToLightUp = map(Pdbm,-100,0, 0, numOfLEDs);
   Serial.print(ledsToLightUp);
  
  for(int i = 0; i< numOfLEDs;i++){
    if (i < ledsToLightUp) {
      digitalWrite(LEDs[i], HIGH);  
    } else {
      digitalWrite(LEDs[i], LOW);   
    }
    
  }

  
 
  
  
  delay(1000);
  
    

}

Credits

Samantha Ghartey
2 projects • 0 followers
I am an electrical engineering student by day and an absolute tech addict by night.
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Related channels and tags
  • Arduino
  • Autodesk
  • Robotics
  • Robotics