The system uses the NodeMCU ESP8266 microcontroller, LDR, and DHT sensor. A relay turns lighting systems ON and OFF based on luminance, and an LDR detects ambient light. A DHT sensor can also improve ...

Although there are ways to get around this, a 2022 paper by Maja Škiljo and colleagues in Sensors covers an interesting way to make use of this signal attenuation property of changing moisture ...

Biosensors are devices used to detect the presence or concentration of a biological analyte, such as a biomolecule, a biological structure or a microorganism. Biosensors consist of three parts: a ...

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