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the use of ultrasonic sensors
ESP8266 has powerful onboard processing and storage capabilities that allow it to be integrated with the sensors and other application-specific devices through its GPIOs with minimal development up-front and minimal loading during runtime
It boasts a peak current of less than 14mA for both receiving and transmitting
Remote monitoring and controlling
this LED dot matrix display adds amazing visuals and long-lasting performance to your projects
47K 16mm Rotary Pot(Pack of 5) 21 key remote the use of ultrasonic sensors47K ohm 16mm Rotatory Variable Potentiometer Potentiometers are very useful in changing the electrical parameters of a system. It is a single turn 47K Potentiometer with a rotating knob. These potentiometers are also commonly called as a rotary potentiometer or just POT in short. A potentiometer knob can also be used along with this POT for aesthetic purposes. This is a carbon track, single turn, adjustable resistances, of value 47KOhm Knob