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In Stock
The Heart Rate Monitor Kit with AD8232 ECG sensor module Kit For Arduino is a cost-effective board use to measure the electrical activity of the heart.
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5A Single Phase Active Output AC Current Transformer Module Current Sensor
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This Water Sensor water level sensor is an easy-to-use,cost-effective high level/drop recognition sensor.It has a series of parallel exposed traces to measure droplets/water volume.
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This is the Rain Sensor Module is based on the LM393 op amp.t includes the electronics module and a printed circuit board that “collects” the rain drops.
In Stock
MQ-138 Formaldehyde HCHO & VOC Gas Sensor Module with Alarm Signal Light
