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FAQ: Frequently Asked Questions

Here, we gather some common question that are frequently asked.

Where do you order you PCBs?

Right now, we order the fully equipped PCBs from jlcpcb.

Why is the PCB that big?

We have two reasons for the size:

  1. As the focus is environmental monitoring with buried sensors, the size makes it easier to find and recover them.
  2. It is a student project. Larger size (and more connectors) makes it easier to handle

Why do you use the ESP32-S3 version?

The ESP32-S3 offers (in our opinion) a good trade-off between computing capabilities even suitable for AI and low power. Further, it is supported by a wide range of embedded system frameworks / operating systems like Arduino, MicroPython, RiotOS, Zephyr, etc.

It can also be programmed by non-experts without additional hardware which is essential for teaching.