Do you have an outdoor version for this sensor?
JaneYu 2018-07-17 00:55:10 13 Views14 Replies Do you have an outdoor version for this sensor?
Hi, am i able to connect this with a TVOC sensor, preferably CCS811 tvoc sensor? Using it for arduino
JaneYu 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.
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
JaneYu Hey Dipen,
Nice setup. The sensor actually supports a wide range of input voltages, specifically between 3.3~6V. As long as you meet these requirements in your setup, you should be fine!
JaneYu Hi,
It's not compatible with RPi. We only provide libraries for Arduino.
JaneYu Does it use on Arduino uno R3?????????/
What is the recommended installation inside a (plastic) case? Upward, downward or sideway orientation? Distance to case? Airflow?
JaneYu Yes, this is a electrochemical sensor, once it is exposed in air, the sensor start degrading.
JaneYu Are there any guides on how to setup this sensor on a raspberry Pi? The Product Wiki says Raspberry Pi is compatible but has no further documentation or sample code.
JaneYu There are two modes to use HCHO sensor UART and DAC, it is the same as communicate through UART in Raspberry pi, you can also add an ADC like control an analog sensor.
Why do you want to measure Formaldehyde outdoors? Normally we use it to measure Formaldehyde in the room.
JaneYu Hello, this sensor just detect HCHO in air. According to your request, do you need a VOC gas sensor?
JaneYu 
