ProCodeCG – Private Training – Data Acquisition with ESPectro – Day #2 – 17 May 2017

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Private training on gathering data from sensors using DHT11 and MLX90614 using ESPectro development board Day #2 🙂

It is time for hands-on 🙂

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The first thing to try was connecting MLX90614 to ESPectro and show the sensor readings to serial monitor

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Yep, it worked 🙂

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Next was trying to connect a LCD I2C to an Arduino Mega 😀 The client said she wanted to display it on LCD, since she had this Arduino Mega, she wanted to test it 🙂

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The port connected Arduino Mega wasn’t detected

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But when we connected it to a Mac, it worked. So we have to install specific driver for Arduino Mega USB on Windows

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Moved to DHT11, and connected it to ESPectro

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One DHT11 worked

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Adding more DHT11

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and worked

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The temperature read by  both DHT11 looks similar but there was a significant different on humidity

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Now try the multiple DHT11 with Arduino

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Worked but the second sensor reading was showing impossible values, which worked just fine with ESPectro. Need to debug this later!

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Then we learned some Python to read serial monitor and save it to a file (.txt, .csv, .xls)

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Like this, so then the data can be processed and analyzed 🙂

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