Difference between revisions of "Analog Pressure sensor"
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It is very easy to install, has an analog output and a linear conversion. | It is very easy to install, has an analog output and a linear conversion. | ||
| − | There are however | + | There are however a number of challenges: |
| − | 1 If you want to measure pressure in Bar, how is it converted from PSI | + | 1 If you want to measure pressure in Bar, how is it converted from PSI |
| − | 2 How can voltages higher than 3.3 volts be measured with the on-board ADC | + | 2 How can voltages higher than 3.3 volts be measured with the on-board ADC |
| − | 3 How can you make sensible readings with ESPEasy | + | 3 How can you make sensible readings with ESPEasy |
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Revision as of 22:53, 9 September 2016
When you want to measure pressure of liquids like oil or water, you could buy one of the pressure sensors on the internet, like this one:
It is very easy to install, has an analog output and a linear conversion. There are however a number of challenges:
1 If you want to measure pressure in Bar, how is it converted from PSI 2 How can voltages higher than 3.3 volts be measured with the on-board ADC 3 How can you make sensible readings with ESPEasy
