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Why we need RULES?

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Rules are established principles or guidelines that dictate how something should be done or how situations should be handled. They are used to regulate behavior, ensure fairness, and maintain order in various contexts, such as society, organizations, games, and social settings. Rules can be formal or informal. Formal rules are codified and enforced by a governing body, such as laws, regulations, or contracts. Informal rules are unwritten and enforced by social pressure, such as social norms or etiquette. Rules can be helpful in many ways. They can: Ensure fairness by creating a level playing field for everyone. Protect people from harm by setting standards of behavior. Maintain order by providing a framework for behavior. However, rules can also be seen as restrictive or unfair. It is important to consider the purpose of a rule before deciding whether or not to follow it. For example, a speed limit may be seen as restrictive, but it is also designed to protect people from harm. A dress
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How To Make Arduino Based Plotter At Home

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1.


For this project you will need:

Part list for beginners:
  • Arduino uno
  • Breadboard
  • 2x L293D ICs Motor driver
  • Mini Servo Motor
  • 2x DVD/CD Drives
Part list for 'pro' :
  • ATmega328p (with Arduino Bootloader)*
  • 28 pin DIP IC Socket
  • 16MHz Crystal Oscillator
  • 2x 22pF and 1x 100nF capacitors
  • 10K resistor
  • USB to Serial adapter**
  • 2x L293D ICs
  • Mini Servo Motor
  • 2x DVD/CD Drives
  • Prototyping PCB Circuit Board Stripboard
  • 4x 2pins Screw Terminal Connector (or 2x 4 pins Screw Terminal Connector)***
*You will need also an Arduino UNO board to program the ATmega328 micro possessor
**USB to Serial adapter will allow the circuit to communicate with the computer through the USB cable, just like Arduino uno does.
***Why to use screw terminal connectors? Because you don't want to solder and desolder cables from stepper motors until you find the correct working combination.
Tools (only for 'pro' part list):
  • Screwdriver
  • Soldering iron
  • Solder
  • Cutting tool (e.g. Dremel) (Optional for cutting plastic parts)
  • Glue
 *You'll See the theory by upper video....
Codes
source:- https://www.instructables.com/id/Mini-CNC-Plotter-Arduino-Based/
 2.

 *You'll See the theory by this video....

For this project you will need:


1) 2 X SCRAP DVD DRIVE
2) 1 X ARDUINO
3) 1 X L293D MOTOR SHIELD
4) 1 X SERVO MOTOR (TOWER PRO 9G)
5) JUMPER WIRES
6) SOME HARDWARE NUT BOTS ETC
7) DOUBLE SIDE 3M TAPE 


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