Ali Kazemian
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  • Downey, CA
  • United States
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Help! Reading AC Voltage with Arduino

Started this discussion. Last reply by Ali Kazemian Feb 12, 2016. 1 Reply

Hi guys! I'm trying to build a device to measure the electrical resistivity of a paste (cementitious materials) using Arduino Uno. Four steel probes are put inside the paste (jumper wires attached to…Continue

 

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Ali Kazemian replied to Ali Kazemian's discussion Help! Reading AC Voltage with Arduino
"Here is an update: I repeated the test and this used an oscilliscope as well to read voltage from two inner probes. With oscope I saw clean sin waves and frequency was still 1kHz. Also I programmed Arduino to read values 2500 times during a second…"
Feb 12, 2016
Ali Kazemian posted a discussion

Help! Reading AC Voltage with Arduino

Hi guys! I'm trying to build a device to measure the electrical resistivity of a paste (cementitious materials) using Arduino Uno. Four steel probes are put inside the paste (jumper wires attached to them). Two outer probes apply AC signals (Square signals- Frequency 1 kHz- Voltage(peak to peak)= 14 V) and two inner probes should measure the potential difference. Then the resistivity could be calculated by a formula. I cannot change these since this is standard test procedure..Please take a…See More
Feb 10, 2016
Ali Kazemian is now a member of GarageLab (arduino, electronics, robotics, hacking)
Feb 10, 2016

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