Juan Tinazzo
ARGENTINA • + Follow
Description
Portable Data Logger
This project is about a datalogger, used to acquire data from sensors and store it in a micro SD card. It also can send the data wirelessly using ESP-NOW to another ESP32 microcontroller.
The main design requirements are:
- Portable, battery operated
- USB-C connection, to be modern and allow the user to download logged files directly from the device, without needing to touch the micro SD card.
- OLED screen, to check the measurement status.
- Very low quiescent current, to sleep in between measurements
- RTC, to keep accurate time for logging timestamps
With all of this in mind, here is the first revision schematic:
And here is the PCB Design:
For more info please watch my youtube video!
Code
GitHub repo
https://github.com/jtingenieria/datalogger
Schematic and Layout
Schematic Prints.pdf
Jan 15,2024
745 views
Portable Data Logger
A portable Data Logger with a micro SD card slot, USB C and battery designed around an ESP32-S3
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Published: Jan 15,2024
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