PaTra

We (the team) love wearable device, when we have spare time we have spoken many times about the realization of wearable project so we can't stay away from this challenge. A new development kit, new knowledges, and so on. We can anticipate that we got more fun than expected! We made some code for nrf52 and we had to use proprietary tool. So this time we have both to learn a new improved os and a new open source cmd line tool: west. Amazing.

Now to the project: today a lot of people has the need to track its own actions. Elder must to track themselves to know if they had satisfied their basic needs (Try to imagine a disease as Alzheimer). But not only elder can receive advantage from tracking its own actions: imagine to have to work in field support. If you have a tool to track your movements in a large building your reports will be really more accurate.

However we have focalized our discussions on the health front. So after some tests we have supposed to use esp32 for the low cost beacons and a nrf for the tracking/tracing device. Why this approach? We have noted that nrf53 (and in the past nrf52) is really good to recognize BLE beacons.

Technically we have devised to use beacon AND to use sniffer to recognize them. Then by using code to recognize/learn/test patterns. If necessary an alert is sent to operator.

But the part to recognize/learn/and test was too heavy to fit in nrf53. So we have given up on this part and we have worked on the sniffer part.

Both the code for esp32 and nrf chips are in the project repository under free software license.