Hello All, I have several operational pressure, temperature, and humidity I2C sensors. They are taking measurements. My next endeavor is to take that data and write it to a CSV or a text file. I want to graph the data and do other kinds of math to it. Any advice? I looked around, and I can only fin…

If you can read the sensor data and print it to the Serial monitor then you can also "print" it to a CSV file on an attached SD card You do not need any extra hardware apart from an SD card module

what arduino are you using? if you have WiFi or Ethernet or a modem available you could upload data to a desktop such as cayenne for display using grpahs, picharts, etc, e.g. how-to-get-data-through-iot

[image] oxygen02: Is there a way to log data via software? An old PC or a RaspberryPi can easily be used; also get a "free" webserver from the configuration ... all free software. Serial output directly into NodeRED - Arduino for STM32 (stm32duino.com) You can use USB-serial wired of if PC …

Really? Would the line be CSV.print() instead of Serial.print() . Is there a library to enable this function?

If you have an Arduino with an SD card, use the SD library to print data to a file on the card. The library docs and examples show you how. You can also connect the Arduino to a desktop or laptop via the USB connection, and instead of using the Arduino serial monitor, use any terminal program (Ter…

Do you mind explaining this further? Thank you

What's to explain ? You open a file on the SD card to write or append to. When you want to save some data you "print" the data to the file. At the appropriate time you close the file It is your choice whether you open and close the file for each batch of data, say each line, or whether you open …

Hi @oxygen02 Here's a tutorial by Adafruit for their micro SD card breakout board: [image] Micro SD Card Breakout Board Tutorial If you have a project with any audio, video, graphics, data logging, etc in it, you'll find that having a removable storage option is essential. Most microco…

[image] oxygen02: Really? Would the line be CSV.print() instead of Serial.print() If the file is named CSV.CSV, then yes, that is what you do record to an on-board SD card. If you have PC to hand, you can record directly thereto, using a standard terminal like RealTerm. You can also record …

[image] Nick_Pyner: You can also record directly to Excel and display graphs in real time This is what I want know how to do. What do I need for this? Thank you

Logging data to a CSV or text file from an I2C Sensor

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Logging data to a CSV or text file from an I2C Sensor

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