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RAKwireless RAK11160 is a new low-cost, low-power LoRaWAN, WiFi 4, and Bluetooth LE module based on ESP32-C2 (ESP8684) and ...
Tech Xplore on MSN12h
Real-time carbon dioxide monitoring without batteries or external powerA research team has developed a self-powered wireless carbon dioxide (CO2) monitoring system. This innovative system harvests minute vibrational energy from its surroundings to periodically measure ...
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