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vibration sensor
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Piezoelectric Ceramic 27mm

Shipping list :
1xThe piezoelectric ceramic buzzer , buzzer , transducers , 27mm copper buzzer

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ACS712 20A Current Sensor
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ACS712 30A Current Sensor
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[Cytron] Auto-Calibrating Line Sensor

This newly developed Auto-calibrating line sensor is super easy to use. Come with 5 pairs of IR transmitter and receiver, it can cover line detection of 1cm to 3cm wide, dark color or bright color line. With 1 press, it will start "recognizing" the surface under it, calibrating the threshold between dark and bright. it takes 4 to 5 seconds only. After that, it is done, being stored in internal nonvononvolatiley, it will still "recognize" the line even after power off and on again. Come with connector and wires.

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5mm IR Transmitter
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Analog Turbidity Sensor For Arduino
  • The arduino turbidity sensor detects water quality by measuring level of turbidity
  • It is compatible with Arduino via Gravity interface
  • It is able to detect suspended particles in water by measuring the light transmittance and scattering rate which changes with the amount of total suspended solids (TSS) in water
  • Turbidity sensors can be used in measurement of water quality in rivers and streams, wastewater and effluent measurements, sediment transport research and laboratory measurements
  • Please note that the top of probe is not waterproof
  • Brand : DFROBOT
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Analog pH Sensor / Meter Kit For Arduino
Need to measure water quality and other parameters but haven't got any low cost pH meter? Find it difficult to use with Arduino? DFRobot analog pH meter, specially designed for Arduino controllers and has convenient and practical "Gravity" connector and a bunch of features. Instant connection to your probe an your Arduino to get pH measurements at ± 0.1pH (25 ℃). For most hobbyist this great accuracy range and it's low cost makes this a great tool for biorobotics and other projects! It has an LED which works as the Power Indicator, a BNC connector and PH2.0 sensor interface. To use it, just connect the pH sensor with BND connector, and plug the PH2.0 interface into the analog input port of any Arduino controller. If pre-programmed, you will get the pH value easily. Comes in compact plastic box with foams for better mobile storage.

Build your own PH meter gadjet, or a water monitoring station for your water tanks. This and our other water sensor devices could make for the ultimate water control device. Use it for your  aquaponics or fish tanks or other materials that need measurements. 

This is a laboratorial probe, it can't be immersed in the liquid for too long time. You can check here for the whole Analog pH Sensor / Meter Pro Kit For Arduino or a spare Industrial Probe as replacement

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Pulse & Heart Beat Sensor for Arduino

The Pulse Sensor is a plug-and-play heart-rate sensor for Arduino. It can be used by students, artists, athletes, makers, and game & mobile developers who want to easily incorporate live heart-rate data into their projects.Essence it is an integrated optical amplifying circuit and noise eliminating circuit sensor. Clip the Pulse Sensor to your earlobe or finger tip and plug it into your Arduino ,you can ready to read heart rate. Also it have an Arduino demo code that make it easy to use.



  • Operating voltage of 5V
  • Operating current of 4mA
  • Model number SO00837PS
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