ARDUINO/Genuino Smart Power Sensor

50 Ω     - 43 dBm to - 3 dBm, 1 MHz to 10 GHz

✈ Hardware Description

✈ Arduino Sketch - The Code

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/*
 Standalone Sketch to test Smart Power Sensor
 https://www.changpuak.ch/electronics/Arduino-SmartPowerSensor.php
 (Just to test the sensor and the I2C communication)
 Alexander C. Frank, 08.02.2016, Version 1.0
*/

#include <Wire.h>
 
byte I2C_address = 0x48; 
int LogInPin = A5;
float LogInValue = 0.0;
float offset = 1023;
float gain = -1.0 ;

void setup()
{
Wire.begin();        // join i2c bus (address optional for master)
Serial.begin(9600);  // start serial for output
// INIT TMP101 - SET RESOLUTION TO 12 Bits
Wire.beginTransmission(I2C_address);
Wire.write(0x01);    // Configuration Register
Wire.write(0x60);    // R0 and R1 = 1
Wire.endTransmission();
}

void loop()
{

Wire.beginTransmission(I2C_address);
Wire.write(0x00);
Wire.endTransmission();
 
Wire.requestFrom(I2C_address,2);
int temp_hi = Wire.read();        // integer value  
int temp_lo = Wire.read();        // fractional value
int temp = (( temp_hi << 8 ) | temp_lo ) >> 4 ;
float temperature = temp * 0.0625 ;

float amplitude = 0.0;

for (int i=0; i < 100; i++)
{
      LogInValue =  analogRead(LogInPin);
      amplitude = amplitude + LogInValue;
      delay(10);
} 

amplitude = offset + gain * amplitude / 100.0 ;

Serial.print(amplitude,1); Serial.print("     "); 

Serial.print(temperature,1);Serial.print(" ");
Serial.print((char)176);Serial.println("C");


delay(5000);
}

✈ Performance

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