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This paper designs a capacitive humidity sensor with a 281-sensitivity value of a heterostructure composed of hematite and nickel oxide as sensing materials connected to an indirect capacitance to ...
The #2 flip-flop has its Q outputs (pins 12 and 13) and S/R inputs (8 and 10) cross-connected through the associated R, C, and diode networks, turning it into a ~100kHz RC oscillator. The duration (T+ ...
The sensor acts as a capacitor (C1) whose value varies from 180 to 220 pF for relative humidity in the range of 0% to 100%. The sensor is linear within ±3% of full scale.
Fruits can easily become soggy and rot when exposed to a humid environment. Therefore, fruit needs to be placed at a suitable humidity level and maintained at that level from time to time to prevent ...