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so your program can use the change event to trigger a function or feature of your project
A PCB trace connected to this pin surrounds all the sensor pads
the Atlas Scientific industrial pH probe has all the capabilities of our lab-grade pH probe and more
ArduCAM series camera shield is a universal camera control board for Arduino
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Photoelectric Tripwire Sensor 20m PR18S-TM20DPO - Emitter Receiver Pair Voice-Sound so your program can usePhotoelectric Tripwire Sensor 20m PR18S TM20DPO Emitter Receiver Pair The Lanbao PR18S TM20DPO uses the most reliable and accurate style of photoelectric sensing which is the through beam sensor. The sensor comes with a pair of an emitter and a receiver. The emitter provides a constant invisible IR (infrared) beam of light to the receiver and detection occurs when an object passing between the two breaks the beam. The photodetection range of the PR18S