EPS@ISEP | The European Project Semester (EPS) at ISEP

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report [2016/06/22 18:11] – [7.7 Conclusion] team3report [2016/06/22 18:18] (current) – [7.2 Architecture] team3
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 == - Complete Electronic Schematics== == - Complete Electronic Schematics==
-As shown in Figure {{ref>elSch}}, there is an Arduino Nano used to operate all components. The 14 digital I/O and one Analog Input of the Arduino are used to drive the servo motors,  to power the LED and readout the button.  +As shown in figure 12, there is an Arduino Nano used to operate all components. The 14 digital I/O and one Analog Input of the Arduino are used to drive the servo motor, to power the LED and readout the reed switch. The servo motor and Arduino are directly powered by the battery. To control the servo the digital output D2 is used. The three single colour LED and the two RGB LED are connected to the digital Outputs D5-D12. To limit the current in the LED to a safe value, every LED is serial connected to a 330 Ω resistor. In addition, the reed switch is connected to D12 which is set on pullup. In case of a closed reed switch the digital pin is directly connected with the GND. 
-To power the three servo motors, a voltage regulator 7805 is used. This regulator has a current capability of 1.5 A. Since every servo has a maximum working current of 500 mA [(Micro9:online)]  +
-, the voltage transformer is able to power all of the servos. The digital Outputs D2-D4 of the Arduino Nano are used to control the servos.  +
-The three single colour LED and the two RGB LED are connected to the digital Outputs D5-D12. To limit the current in the LED to a safe value, every LED is serial connected to a 330 Ω resistor. In addition, the button is also serial connect to an 330 Ω resistor to protect the analog Input A1. In case of a pressed button 5 V are directly connected to the analog Input. The resistor has to function to protect the Arduino board of this voltage.+
 <figure elSch> <figure elSch>
-{{:electronics_final.png?800|}}    +{{:arduino_scheme.png?300|}}    
 <caption>// The electronic schematics of the robotic fish. It includes all components which are located inside the fish. //</caption> <caption>// The electronic schematics of the robotic fish. It includes all components which are located inside the fish. //</caption>
 </figure> </figure>

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