The sparkfun_rht03_particle_library's discuss from sparkfun

sparkfun_rht03_particle_library's Issues

Does not return correct values for new Particle mesh devices.

When using the RHT03 sensor and this library for the new Particle Mesh devices, the return values are not consistent. There is a thread in the Particle community forums about the issue here:

https://community.particle.io/t/incorrect-data-output-with-rht03-temp-humidity-sensor-using-argon-solved-but-now-using-dht11/46808

It is possible that the use of noInterrupts() and interrupts() may cause unintended problems with timing on the Mesh devices.

Temperatures below 0°C are rolling over

This code

"\"RHT03\":{" +
   "\"T\":" + String(rht.tempC(), 2) + "," +
   "\"H\":" + String(rht.humidity(), 2) + 
"}," +

is creating this result

"RHT03":{"T":3279.80,"H":83.30}

These where all the readings on the same board during that fetch:

{"BME280":{"T":-1.88,"H":84.75,"P":1023.99},
 "RHT03":{"T":3279.80,"H":83.30},
 "DS18B20":{
   "28CEB45204000083":{"T":-3.19,"C":1},
   "28646952040000A2":{"T":-3.19,"C":1}
 },
 "A0":{"L":2.50}
}

I consider the DS18B20's temperature readings to be the "most precise"

Compile errors when using Particle Build

There are two code issues in this library source that result in compilation errors if copy/pasted in to the Particle Build cloud IDE. I am not familiar enough with the Particle ecosystem and history to understand if/how this worked previously.

Compile errors:

src/SparkFunRHT03.cpp:119:28: error: 'CHECKSUM' was not declared in this scope
     if (checksum(dataBytes[CHECKSUM], dataBytes, 4))
                            ^
src/SparkFunRHT03.cpp:121:48: error: 'HUMIDITY_H' was not declared in this scope
   _humidity = (static_cast<uint16_t>(dataBytes[HUMIDITY_H] << 8) | dataBytes[HUMIDITY_L]);
                                                ^
src/SparkFunRHT03.cpp:121:78: error: 'HUMIDITY_L' was not declared in this scope
   _humidity = (static_cast<uint16_t>(dataBytes[HUMIDITY_H] << 8) | dataBytes[HUMIDITY_L]);
                                                                              ^
src/SparkFunRHT03.cpp:122:52: error: 'TEMP_H' was not declared in this scope
   _temperature = static_cast<uint16_t> ((dataBytes[TEMP_H] << 8) | dataBytes[TEMP_L]);
                                                    ^
src/SparkFunRHT03.cpp:122:78: error: 'TEMP_L' was not declared in this scope
   _temperature = static_cast<uint16_t> ((dataBytes[TEMP_H] << 8) | dataBytes[TEMP_L]);
                                                                              ^
src/SparkFunRHT03.cpp:131:6: error:
prototype for 'bool RHT03::checksum(byte, const byte*, unsigned int)' 
does not match any in class 'RHT03'
 bool RHT03::checksum(const byte check, const byte * data, const unsigned int datalen)
      
src/SparkFunRHT03.cpp:35:7: error: candidate is: bool RHT03::checksum(byte, byte*, unsigned int)
  bool checksum(byte check, byte * data, const unsigned int datalen);

sparkfun / sparkfun_rht03_particle_library Goto Github PK

sparkfun_rht03_particle_library's Issues

Does not return correct values for new Particle mesh devices.

Temperatures below 0°C are rolling over

Compile errors when using Particle Build

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