In this video, I’m building a LoRaWAN Class A sensor node using an ESP8266, BME680 environmental sensor, and REYAX RYLR993 ...
Over time, I've found different uses for it, and the most recent way that I'm using it is likely the one I'll settle on.
A dual resonator graphene sensor measures pressure with exceptional precision and stability, using built-in temperature ...
An array of graphene-silicon solar cells provides enough power to continuously supply small devices unconnected from the ...