여러가지 Sensor들에 대한 test 및 설명.

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여러가지 Sensor들에 대한 test 및 설명.

목차

Distance sensor
Touch/Pressure sensor
Movement sensor
Light Sensor
Magnetic Sensor
Other Sensors
Exercise 8
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본문내용

The purpose of the lab session is getting familiar with the electronic tools and various sensors.
The electronic machine we used was oscilloscope, digital multimeter, and power supply. The oscilloscope was used to see the wave form of the voltage. The digital multimeter was used to measure the resistance value, even though it can be used to measure the current flow or voltage level as well. The power supply is used to supply the power to the circuit board as its name indicates. Among those diverse sensors, we had experienced some of basic ones.
The basic setting of power supply was that the providing voltage was 5V and the current limit was 100mA.

<Distance sensor>
We observed the operation of Sharp GP2D12 as a representative of the distance sensors. Sharp GP2D12 is the IR(Infra Red) distance sensor which produces the analog output and the output voltage level depends on the distance between the sensor and the object. There are digital and analog distance sensors. The digital sensor says whether the object is in the detectable distance of not while the analog sensor additionally informs the distance by the voltage level.

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