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Building a LoRaWAN Class A Sensor Node with ESP8266, BME680 and RYLR993

In this video, I’m building a LoRaWAN Class A sensor node using an ESP8266, BME680 environmental sensor, and REYAX RYLR993 ...

First graphene-based solar cells used to power temperature sensors

Researchers at the University of Arkansas and the University of Michigan have reported the first use of ultra-low power ...