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--- eolab:sceme_node:start [2022/02/11 20:07] – [Sceme Lora Node (Prototype)] rolf001
+++ eolab:sceme_node:start [2022/02/11 20:41] (current) – removed jan001
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-====== Lora Node (Prototype) for Soil Moisture Profile Probe ======
-This device can connect to a Sceme Sensor for measuring soil permittivity and temperature at three different depths. The data gets transmitted to an IoT-Stack for saving the data permanently and displaying it nicely in graphs. The data from a test we run on our terrace can be found here: [[https://weather.eolab.de/grafana/d/XywFgRnnk/sceme_node?orgId=1&from=1634134115240&to=1634306915241&refresh=15m|Grafana Dashboard]]
-The device is powered by solar and an internal battery. It can also monitor the battery. The battery levels get also logged on the dashboard.
-This prototype also includes a custom-made circuit board.
-{{gallery>:eolab:sceme_node?crop&lightbox}}
-====== Sceme Lora Node (Prototype v2) ======
-The second prototype is more sophisticated and implements things that work in a more compact and also cleaner way.
-It is still based on the RFM95 HopeRF Module on 868 Mhz. It's using a 18650 LiPo battery and also includes a Solar Charger, so a Solar Cell can be hooked up. Furthermore, a coulomb counter observers the power usage so it can be precisely determined if and how much current is used or if the battery is recharged.
-{{ :eolab:sceme_node:m0_lora-node_2021-dec-15_10-45-12am-000_customizedview4115199873_jpg.png?nolink&400 |}}
-Currently, we are running our final tests on these prototypes and will deploy some of these in the field for testing. One prototype, with a solar cell, is already running on our lab's terrace.
-{{ :eolab:sceme_node:img_20220128_162416.jpg?nolink&400 |}}
-The casing right now is not perfect and much bigger than it would be needed.