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YF-S201 Water Flow Measurement Sensor with 1-30Liter/min Flow Rate WhiteFeatures-1/2″ nominal pipe connections, 0.78″ outer diameter, 1/2″ of thread.The simple and compact module.Easy to Install.High Sealing Performance.High-Quality Hall Effect Sensor...

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..

Nano CH340 Chip Board Without USB Cable Compatible with Arduino (Soldered)Features-1 pair of TTL level serial transceiver ports RX / TXUsing Atmel Atmega328P-AU MCUThere is a bootloader installed in itSupport USB download and PowerSupport for external 5V ~ 12V DC power supplySupport power supply by ..

XH-W1219 12V Digital Red+Green Display Temperature Controller Module W/ NTC Waterproof Temperature SensorFeatures-    This is XH-W1219 12V Digital Red+Green Display Temperature Controller Module W/ NTC Waterproof Temperature Sensor. The XH-W1219 thermostat module with its µC and ..

ISB-TS45D Infrared Thermopile SensorFeatures:TO-46 package High sensitivity NTC thermistor compensationFast response 5μm Long-wave pass filterAn infrared Thermopile Sensor can measure the temperature without contact by detecting the infrared energy of an object. And the higher the temperature, the m..

P31 Small Float Level Control Switch Plastic Float SwitchFeatures-Long-lasting life.Easy to use...

40 Pin U-Shaped GPIO Expansion Board for Raspberry Pi 3 and Raspberry Pi B+Features:This is for Raspberry Pi 3 Raspberry Pi B +U-shaped breadboard GPIO expansion boardFacilitate your Raspberry Pi’s GPIO port for an externalIdeal for breadboard experiments...

Tplink 840N wireless N Router/ Tplink 850N wireless N Router with power adaptor ..

Tplink WR 940N/ 845N with power adaptor ..