USB-TnH (SHT30) is a USB temperature + humidity sensor. The temperature and humidity are read by simple ASCII commands via the CDC Virtual Serial Port. It makes the programming more simple when compared with other USB communication method.
The 3D printed case is specially designed. It isolated the sensor from MCU. And, it has a larger air gap to expose the sensor. These will make the sensor have a better measurement result.
The no case version is equipped with a Micro USB B socket. It can easily place the sensor away from the computer, which is a heat source that may affect the measurement.
|Operating Temperature (CPU):||-20°C ~ +70°C|
|Connection to PC:||USB (CDC Virtual COM port)|
|Temperature Accuracy:||+/-0.2°C (0°C to 65°C|
|Temperature Range:||-40°C to 125°C|
|Humidity Accuracy:||+/-2 %RH|
|Humidity Resolution:||0.01 %RH|
|Humidity Range:||0 %RH - 100 %RH|
Best performance when operated at 5 °C to 60 °C and 20 %RH to 80 %RH
- USB Type A Plug.
- Simple ASCII command.
- Using MCU as CDC Virtual Serial Port. (Using usbser.sys at Windows. Native supported by MacOS and most Linux distributions).
- Using SHT30 (a single chip sensor) for temperature/humidity sensing.
- USB-TnH TypeA (SHT30) Sensor
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Open source program (Source at GitHub)
|Get Model Name|
|Get Unit Name|
Default is "SENSOR", can set by user.
|Set Unit Name|
Up to 8 characters, stored at FLASH.
|Turn off LED Indicator|
Will restore to "Turn on" after restart
|Turn on LED Indicator|
|Get all reading in JSON format|