By s_decho
#42368
How to solve the problem
Arduino: 1.8.12 (Windows 10), Board: "Arduino Uno"

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor.cpp.o (symbol from plugin): In function `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)':

(.text+0x0): multiple definition of `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)'

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor - Copy.cpp.o (symbol from plugin):(.text+0x0): first defined here

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor.cpp.o (symbol from plugin): In function `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)':

(.text+0x0): multiple definition of `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)'

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor - Copy.cpp.o (symbol from plugin):(.text+0x0): first defined here

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor.cpp.o (symbol from plugin): In function `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)':

(.text+0x0): multiple definition of `DFRobotHCHOSensor::DFRobotHCHOSensor(SoftwareSerial*)'

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor - Copy.cpp.o (symbol from plugin):(.text+0x0): first defined here

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor.cpp.o (symbol from plugin): In function `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)':

(.text+0x0): multiple definition of `DFRobotHCHOSensor::DFRobotHCHOSensor(SoftwareSerial*)'

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor - Copy.cpp.o (symbol from plugin):(.text+0x0): first defined here

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor.cpp.o (symbol from plugin): In function `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)':

(.text+0x0): multiple definition of `DFRobotHCHOSensor::DFRobotHCHOSensor(int, float)'

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor - Copy.cpp.o (symbol from plugin):(.text+0x0): first defined here

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor.cpp.o (symbol from plugin): In function `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)':

(.text+0x0): multiple definition of `DFRobotHCHOSensor::DFRobotHCHOSensor(int, float)'

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor - Copy.cpp.o (symbol from plugin):(.text+0x0): first defined here

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor.cpp.o (symbol from plugin): In function `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)':

(.text+0x0): multiple definition of `DFRobotHCHOSensor::checkSum(unsigned char*, unsigned char)'

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor - Copy.cpp.o (symbol from plugin):(.text+0x0): first defined here

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor.cpp.o (symbol from plugin): In function `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)':

(.text+0x0): multiple definition of `DFRobotHCHOSensor::available()'

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor - Copy.cpp.o (symbol from plugin):(.text+0x0): first defined here

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor.cpp.o (symbol from plugin): In function `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)':

(.text+0x0): multiple definition of `DFRobotHCHOSensor::uartReadPPM()'

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor - Copy.cpp.o (symbol from plugin):(.text+0x0): first defined here

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor.cpp.o (symbol from plugin): In function `DFRobotHCHOSensor::DFRobotHCHOSensor(HardwareSerial*)':

(.text+0x0): multiple definition of `DFRobotHCHOSensor::dacReadPPM()'

libraries\DFRobotHCHOSensor\DFRobotHCHOSensor - Copy.cpp.o (symbol from plugin):(.text+0x0): first defined here

collect2.exe: error: ld returned 1 exit status

exit status 1
Error compiling for board Arduino Uno.

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