Arduino-Based Milk
Quality Monitoring System
247
Print ISSN : 0974-1712
Online ISSN : 2230-732X
is SnO
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. This substance has low conductivity in
clean air, but as the gas content increases, so does
the conductivity of this sensitive material. This
sensor is extremely sensitive to ammonia, sulfide,
smoke, and other hazardous gases. It’s a low-cost
gas detector. This sensor can also be used as a
domestic
air pollution detector, as well as a portable
and commercial air pollution detector.
LDR (Light Dependent Register): LDR stands for
Low-Density Re (Light Dependent Register). It has
a variable register that changes depending on the
amount of light. When
the light intensity is low,
LDR resistance increases, and when light intensity
is high, LDR resistance decreases. LDR resistance
is inversely proportional to light intensity. LDR is
suitable for use in Automatic Security Lights.
LCD Display: A liquid crystal display (LCD) is an
optical system with a flat-screen. The LCD monitor
is used to show the various milk parameters as well
as the system’s performance.
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