I am trying to connect ESP32 dev kit with ADS1115. I am following below links
https://microcontrollerslab.com/ads1115-external-adc-with-esp32/
When I compile code I am getting error "I2C_ADDRESS:2:30: error: Adafruit_ADS1015.h: No such file or directory" but I have installed it
Please post the full sketch and the full error messages (use the "Copy error messages" button), using code tags when you post them
#include <Wire.h>
#include <Adafruit_ADS1015.h>
Adafruit_ADS1115 ads(0x48);
float Voltage = 0.0;
void setup(void)
{
Serial.begin(9600);
ads.begin();
}
void loop(void)
{
int16_t adc0;
adc0 = ads.readADC_SingleEnded(0);
Voltage = (adc0 * 0.1875)/1000;
Serial.print("AIN0: ");
Serial.print(adc0);
Serial.print("\tVoltage: ");
Serial.println(Voltage, 7);
Serial.println();
delay(1000);
}`
error message
I2C_ADDRESS:2:30: error: Adafruit_ADS1015.h: No such file or directory
compilation terminated.
exit status 1
Adafruit_ADS1015.h: No such file or directory
Did you copy the error message using the "Copy error message" button in the IDE ?
Where exactly is the Adafruit_ADS1015.h file located on your PC ?
C:\Users\System\Documents\Arduino
C:\Users\System\Documents\Arduino\I2C_ADDRESS
C:\Users\System\Documents\Arduino\libraries
I2C_ADDRESS:2:30: error: Adafruit_ADS1015.h: No such file or directory
compilation terminated.
exit status 1
Adafruit_ADS1015.h: No such file or directory
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
Could it be as simple as
#include <Adafruit_ADS1015.h>
should be
#include <Adafruit_ADS1X15.h>
?
When I replace line #include <Adafruit_ADS1015.h> by #include <Adafruit_ADS1X15.h>
error message
Arduino: 1.8.11 (Windows 10), Board: "ESP32 Dev Module, Disabled, Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS), 240MHz (WiFi/BT), QIO, 80MHz, 4MB (32Mb), 921600, None"
I2C_ADDRESS:4:26: error: no matching function for call to 'Adafruit_ADS1115::Adafruit_ADS1115(int)'
Adafruit_ADS1115 ads(0x48);
^
In file included from C:\Users\System\Documents\Arduino\I2C_ADDRESS\I2C_ADDRESS.ino:2:0:
C:\Users\System\Documents\Arduino\libraries\Adafruit_ADS1X15/Adafruit_ADS1X15.h:186:3: note: candidate: Adafruit_ADS1115::Adafruit_ADS1115()
Adafruit_ADS1115();
^
C:\Users\System\Documents\Arduino\libraries\Adafruit_ADS1X15/Adafruit_ADS1X15.h:186:3: note: candidate expects 0 arguments, 1 provided
C:\Users\System\Documents\Arduino\libraries\Adafruit_ADS1X15/Adafruit_ADS1X15.h:184:7: note: candidate: constexpr Adafruit_ADS1115::Adafruit_ADS1115(const Adafruit_ADS1115&)
class Adafruit_ADS1115 : public Adafruit_ADS1X15 {
^
C:\Users\System\Documents\Arduino\libraries\Adafruit_ADS1X15/Adafruit_ADS1X15.h:184:7: note: no known conversion for argument 1 from 'int' to 'const Adafruit_ADS1115&'
C:\Users\System\Documents\Arduino\libraries\Adafruit_ADS1X15/Adafruit_ADS1X15.h:184:7: note: candidate: constexpr Adafruit_ADS1115::Adafruit_ADS1115(Adafruit_ADS1115&&)
C:\Users\System\Documents\Arduino\libraries\Adafruit_ADS1X15/Adafruit_ADS1X15.h:184:7: note: no known conversion for argument 1 from 'int' to 'Adafruit_ADS1115&&'
exit status 1
no matching function for call to 'Adafruit_ADS1115::Adafruit_ADS1115(int)'
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
Please post a link to where you downloaded this "I2C_ADDRESS" sketch from.
I have given that link in my first post
https://microcontrollerslab.com/ads1115-external-adc-with-esp32/
OK, great. I can see from the tutorial that they were using version 1.0.0 of the "Adafruit ADS1X15" library. There was a breaking change to the library since then, which is the cause of the error.
The easiest fix is to use the old version of the library. Even though the tutorial author wrote the sketch for 1.0.0 of the library, you should be able to use up to version 1.1.2, which was the last release before the bump to 2.0.0 (the major version bump is used to indicate a breaking change).
Please try this:
Now try compiling the sketch again.
Try changing
Adafruit_ADS1115 ads(0x48);
to
Adafruit_ADS1115 ads;
Yeah, updating the sketch to work with the modern library is the ideal solution because there might have been valuable improvements or bug fixes made to the library since the 1.1.2 release.
But if you just want the quick fix then using the library version the sketch was written for should do the trick.
I get following message after compiling the sketch
Sketch uses 214110 bytes (16%) of program storage space. Maximum is 1310720 bytes.
Global variables use 14144 bytes (4%) of dynamic memory, leaving 313536 bytes for local variables. Maximum is 327680 bytes.
````Preformatted text`
#include <Wire.h>
#include <Adafruit_ADS1015.h>
Adafruit_ADS1115 ads;
float Voltage = 0.0;
void setup(void)
{
Serial.begin(9600);
ads.begin();
}
void loop(void)
{
int16_t adc0;
adc0 = ads.readADC_SingleEnded(0);
Voltage = (adc0 * 0.1875)/1000;
Serial.print("AIN0: ");
Serial.print(adc0);
Serial.print("\tVoltage: ");
Serial.println(Voltage, 7);
Serial.println();
delay(1000);
}
That's the output from a successful compilation. Congratulations!
Now it's time to upload it to your Arduino board and try it out.
Thanks Now sketch has been compiled and uploaded but output is not showing on serail terminal. A0 connected to POT
This line of the sketch configures the Arduino board to communicate over serial at 9600 baud:
But you have the Arduino IDE Serial Monitor configured for communication at 115200 baud. This will cause the communication from the Arduino to not be recognized by Serial Monitor. Select "9600" from the baud rate menu near the bottom right corner of the Serial Monitor window.
Thank you very much in0, Finally Problem has been solved
Or, better yet:
Serial.begin(115200);
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