DATA Logger 3

Wichit Sirichote, wichit.sirichote@gmail.com

Simple design data logging device, cheap and easy use with 22 bits resolution ADC.

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The DATA Logger 3 is designed for use in school.. Simple design, shortest path for analog signal, extremely high resolution analog to digital conversion, super cheap and high capacity data storage. See the extremely small change of analog signal with the Delta-sigma converter.

DATA Logger 3

The DATA Logger 3 features:

• 6 Channels Analog input 0-1VDC
• 22 Bit Delta-sigma converter
• Standard size SD card storage
• CSV Data file, ready for spreadsheet graphing and analysis
• Built-in precision temperature sensor and internal voltage monitor
• Battery or external USB power sources
• Optional HC12-RF MODEM interface

Components Layout

Download:

Assembly Manual, rev 1.0 September 2021
Operating Manual, rev 1.0 September 2021

More technical information, please contact Wichit Sirichote, wichit.sirichote@gmail.com

Assembled and tested version is available now. Free SD card and USB power cable, ready for experimenting!

SD card is used for CSV data file storage. Up to 8 GB with FAT32 can be used..

Optional battery socket for 4xAA normal battery or 2xAA Li-ion battery.

Sample plot of built-in LM35 precision temperature sensor.

More information, please contact Wichit Sirichote, wichit.sirichote@gmail.com

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Last updated October 30, 2021
September 28 , 2021