As a free flying paragliding pilot, I have finally built my own simple but effective instrument that plays beep-beep during climb and so on.
Easily monitorize your garden's environment with simple components.
Use two 915MHz radios to send/receive current environmental information and display it in real-time up to 350 meters away!
Monitor the Temperature and Humidity in your room and also beam that data to Cloud.
A sample Wilderness Labs Meadow nRF24L01 client for my Windows 10 IoT Core RPi nRF24L01 telemetry field gateways.
Build an IoT system using the RIOT-OS and MQTT-SN protocol
IOT Class Assignment: create an IOT application that emulates two environmental stations using RIOT OS.