It avoids the problem that the resistance sensor is easy to corrode and greatly prolongs its working life. About the motor The motor of the soil will not move when it is connected to the power supply alone, and you need to add the code; you can refer to the following code. ...
You may notice that the first time after initial construction that your air sensor (short lead) is indicated on the display as water temperature and vice versa! (tested by holding the sensor in your hand and/or dropping the sensor in a cup of of hot or cold water). If this is the ca...
In short: the changes in the light reflected/absorbed by our fingers can be measured with a very cheap infrared reflective sensor, the TCRT5000. These changes are very subtle but we can work on it and amplify + filter to have some kind of pre-conditioning on the signals before they are ...
At the initial stage, the data on the assembled column was collected (separator CK-3. (Technohim, Russia)). In Figure 9 are presented the sensor readings, date, and time of measurements. Figure 9. Results of experiment. The column is completely filled with liquid. The liquid temperature ...