The KY-018 Photo resistor module consists of an LDR A photoresistor (or light-dependent resistor, LDR, or photocell) is a light-controlled variable resistor. The resistance of a photoresistor decreases with increasing…
Author
iainhendry
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The KY-017 Mercury switch module is a switch when tilted the mercury in the switch will touch metal contacts and the output will go high Connection KY-017 Arduino S Pin…
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The KY-015 Temperature and Humidity Sensor Module is based on the DHT11 DHT11 digital temperature and humidity sensor is a composite Sensor contains a calibrated digital signal output of the temperature…
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The KY-013 Analog Temperature Sensor Module uses a thermistor to measure ambient temperature based on the resistance of the device. The temperature sensor is a NTC thermistor Multi-point temperature measurement…
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The KY-011 Two color LED module consists of a common cathode 3mm red/green LED. You can adjust the amount of each color using PWM, so we will use 2 PWM pins on…
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The KY-010 Photo Interrupter module consists of an optical emitter/detector. If the sensor is broken the LED is turned on. Connection Connect the power line (middle) and ground (left) to…