GSR (galvanic skin response) stands for galvanic skin response and is a method of measuring the electrical conductivity of the skin.
Strong emotions can stimulate your sympathetic nervous system and cause more sweat to be secreted by the sweat glands. With Grove - GSR, you can detect such strong emotions by simply attaching two electrodes to two fingers on one hand. It is interesting to create emotional projects like the sleep quality monitor.
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Further links to "GSR sensor - Comparable with Grove-GSR"
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