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WuKong is back to the huaGuo mountain, weapons and fighting monster around but fell lack of pil, and then he goes to the dragon palace for treasure. The dragon king is in the east China sea dragon, in charge of the rain clouds. At the button of the sea there is a Jane iron, weight 6750 Kg, can change the size with the thought, named  great treasure rod.[/vc_column_text][vc_tour][vc_tab title=”Project introduce ” tab_id=”1422102943-1-2″][vc_column_text]The WuKong  great treasure rod is amazing which can be big and small. Now we will use the pcduino Rotary Potentiometer can achieve this function, switch the button and try yourself.[/vc_column_text][/vc_tab][vc_tab title=”Hardware prepare” tab_id=”1422102943-2-41″][vc_column_text]1.Pcduino V3

2.Pcduino extra board

3.Rotary Potentiometer[/vc_column_text][/vc_tab][vc_tab title=”Project real figure” tab_id=”1422103373681-2-5″][vc_column_text][/vc_column_text][/vc_tab][vc_tab title=”Project content” tab_id=”1422103374666-3-4″][vc_column_text]

• 1.Click then find , choose import water.jpgas the background, click .
• 2.click to delete the background1.
• 3.Click the , delete ,click import the “png”as the new role, adjust the role size with .
• 4.Write the following script at the instruction script area for the characters.
• 

is to show the switch current voltage.

The current voltage value after reasonable digital processing into the size of the relationship between characters[/vc_column_text][/vc_tab][vc_tab title=”potentiometer” tab_id=”1422104271538-4-8″][vc_column_text]Potentiometer is a typical tactile sensor type absolute Angle, there is a resistance in membrane (containing carbon resistance film, conductive plastic film, metal film, conductive ceramic membrane resistance…, etc.) on the sliding contact, by external effect, resistance to change in the position of contact point and membrane resistance ratio of up and down, to achieve the output voltage of change with the external position. Potentiometer is by changing the membrane resistance and the resistance rate to achieve the output voltage change, in this process, the terminal voltage and the resistance will not change with the external position, and the general slide [/vc_column_text][/vc_tab][/vc_tour][/vc_column][/vc_row]