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HR 202 Humidity Detection Sensor ModuleFeatures-Adjustable Sensitivity, External GND.Detect Ambient Humidity.Provided with Fixed Bolt Hole, Convenient to Install.Power Indicator Light & Digital Output Indication Lamp.Using LM393 Chip for Stable Work.DO Small Digital Outputs Interface (0 & 1)..

TEC1-12705 40x40mm Thermoelectric Cooler 5A Peltier ModuleFeatures-Small module.Easy transition between the hot side to the cool side and vice-versa just by reversing the polarity of the supply.Quality tested cooling cells.Solid-state, vibration free, noise-free.Simple to install and operate.Should ..

S18-L262B-2 Digital SMD Passive Infrared PIR SensorFeatures:Custom design is available.Higher in cost-performanceLong-rangeWide-angle..

TEC1 12706 40x40mm Thermoelectric Cooler 6A Peltier ModuleFeatures-Small module.Operable up to 138°C.Easy transition between the hot side to the cool side and vice-versa just by reversing the polarity of the supply.Quality tested cooling cells.Solid-state, vibration-free, noise-free.Simple to i..

Ai Thinker NF-03 Wireless Transceiver ModuleFeatures-Built-in 2.4G antenna, compact size, easy to useSupport data reception of six channelsModulation method: GFSK / FSKSupport 2Mbps/1Mbps/250Kbps data rateInternally integrated high PSRR LDOWide power supply voltage range: 1.9~3.6V..

DHT-11 Digital Temperature And Humidity SensorFeatures-Low power consumption.Relative humidity and temperature measurementAll calibration, digital outputExcellent long-term stabilityNo additional componentsLong distance signal transmissionUltra-low power4-pin packageCompletely interchangeable..

Raspberry Pi USB Plug and Play Desktop MicrophoneFeatures:Made of plastic and metal, very light and durable.Advanced digital USB provides superior clarity.Simple to operate as a single USB plug-&-play connection.Noise-canceling microphone filters out unwanted background noise.The power swit..