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DHT11 Temperature And Humidity Sensor Module with LEDFeatures-DHT11 sensor with PCB and LED indicator along with cable; 3 to 5V power and I/O, 4 pins with 0.1″ spacingThe board has a pre-built 4.7K or 10K resistor, which you will need to use as a pull-up from the data pin to VCC.2.5mA max current us..

SeeedStudio Grove Infrared EmitterFeaturesThe Infrared Emitter is used to transmit infrared signals through an infrared LED, while there is an Infrared receiver to get the signals on the other side. An infrared LED is like any other LED, with its color centered around 940nm. We can use the emitter n..

HX710B AIR PRESSURE (0-40KPA) SENSOR MODULEFeatures-Two Selectable Differential Input Channels.On-Chip Active Low Noise PGA.Selectable Gain of 32,64 and 128.On-Chip Power Supply Regulator For Load Cell and ADC Analog Power Supply.On-Chip Power-ON-ResetSimple Digital Control And Serial Interface...