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# Cosplaytronics

Physics and science and cosplay!
by

## Peter Sörensen

on 2 August 2017

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#### Transcript of Cosplaytronics

May contain traces of actually useful information
Electronics
Mechatronics
Question time!
Mechanics
Cosplaytronics
F=ma
Force equals mass times acceleration
F x L = M
F1 x L1 = F2 x L2
Force
Torque
Equilibrium
N
kg
m/s^2
N
m
Nm
Soldering 101
Components
Electronic physics explained
Voltage: V
=
Water = Charge, measured in Ah
Pressure = Voltage, measured in Volt

Water = Charge, measured in Ah
Pressure = Voltage, measured in Volt
Flow = Current, measured in Ampere
Current: I
Resistance: R
Water = Charge, measured in Ah
Pressure = Voltage, measured in Volt
Flow = Current, measured in Ampere
Hose size = Resistance, measured in Ohm
=
=
Ohm's law
EL-wire
Glospex
Resistors
R= 200 Ohm + 200 Ohm = 400 Ohm
R = 1/ (1/200 Ohm + 1/200 Ohm) = 100 Ohm
Diodes
LED
Specs:
Forward Voltage: 1 - 5 V
Forward current: 10 - 100 mA
Brightness: mCandela,
Wavelength: nm
Diffused
Clear
LED set up
1 Candela
How to pick the right circuit
Adjust voltage - match forward voltage with batteries
Adjust resistor - restrain current with resistors
Batteries
Switches
Transistors
Specs:
Push to close
Push to break
Switch on - off
Switch on - off - on
Micro controllers
Arduino
Controls
Sound
Electric motors
Movement
Servo motors
Specs:
Rotation speed, measured in rpm
Torque, measured in Nm
Forward voltage, measured in Volt
Forward current, measured in Ampere
Specs:
Resistance, measured in Ohm
Effect, measured in Watt
Specs:
Either 4.8V or 6V
Torque, measured in kgcm
Speed, measured in seconds per 60 degrees
Plastic or metal gears
Controlling a Servo motor
Servo tester
Micro controller
Electric motor
Servo motor
Hydraulics
Controlling electric motors
Raspberry pi
Obsessive Creative Disorder
N
m
N
m
Capacitators
Specs:
Potentiometer - variable resistor
Bend sensor - variable resistor
Button switch
RC controls
What good are these?
Srsly?
Or make a tail move
Specs:
Voltage, measured in Volt
Capacity, measured in Ah
What to use this for?

Mechanical systems
20 kW of power per Yoda!
Hydraulics
How do I build a ________?
How does _______ work?
Why doesn't ______
Can you explain that stuff about _____ again?
How long before I can build a death ray?
What is the air speed velocity of an unladen swallow?
Why didn't you talk more about ponies?
Did you know people swallow about 8 spiders per year?
Or make servo arms...
With the amazing
Wanna see more?