Transcript JiggyBot PowerPoint 2014

Complete the Circuit
Electrical Current – flow of electrons
YOU CONDUCT ELECTRICITY!
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The JiggyBot Mission
Mission: To build a JiggyBot that will win a race
JiggyBots are electrical devices
that light up and vibrate.
Mission Targets:
1. I can identify and describe the function of the components used to light
up and move the JiggyBot.
2.
I can read and interpret an electronic circuit diagram (schematic).
3.
I can describe the flow of electrical current through the JiggyBot
components to explain how it works.
4.
I can solder the components of the JiggyBot onto a printed circuit board
(PCB) successfully to light up the light-emitting diode (LED) and vibrate.
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Mission: JiggyBot
JiggyBot Baggie Components
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Directions: Find this page in your lab manual
1. Open the JiggyBot baggie and
get out the electronic
components.
2. Match the components with
the correct component name
on the JiggyBot Component
Inventory Sheet.
3. Use the internet or reference
sheet to determine the
function of each component
in the kit and record in the
space provided.
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Mission: JiggyBot
Printed Circuit Board
• Mechanically supports and
Electrically connects electronic
components using electrically
conductive tracts etched from
copper sheets and laminated
on a non conductive substrate.
• Note: Electrically conductive
means that electricity can flow
through the tracts and the into
the components.
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Mission: JiggyBot
Battery
Device that converts chemical
energy into electrical energy.
Switch
Device used to open and close an
electrical circuit.
Resistor
Limits (resists) the flow of
electrical current
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LED
Light Emitting Diode
Diodes are
polarized devices.
Electricity can only
flow in one
direction through
them.
Click here to learn more 
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The Motor
Unbalanced load = vibration
Click to find out more 
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Breadboarding
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Challenge
• Use the breadboard in your JiggyBot baggie to
practice creating a circuit that will light the
LED.
• Draw the connections that worked on your
worksheet by using the schematic symbols for
the battery, LED and resistor.
• When you get it working – take a picture of it!!
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Challenge
Build a Resistor-LED circuit
Schematic
PREDICT:
Why do you think it is necessary to use a resistor with the LED?
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JiggyBot Altium
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JiggyBot Schematic
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Next Challenge
* Breadboard your JiggyBot components*
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Now it’s time to
learn to solder!
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Soldering
Establishes physical and
electrical connections
– Used by
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Electricians
Electronics technicians
Electrical engineers
Jewelry makers
Stained glass
manufacturers
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Solder
is a fusible metal alloy used to join together
metal work pieces and having a melting point
below that of the work piece.
Composed primarily of Lead and Tin.
(so we need to wash our hands when we’re finished)
Take a piece and bend or stretch it – it’s ductile!
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Soldering 101
• Soldering is dangerous if not respected.
• Be mindful of where you are and where the
soldering iron is around you.
• If you get burned…LET US KNOW IMMEDIATELY!
• Stay together, don’t work ahead for now
(For your safety)
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PCB – Printed Circuit Board
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PCB – Printed Circuit Board
Soldering Pads
Top View
Side View
Circuit Board
Component
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Get your station Ready
• Moisten your sponges with the water bottles
at your tables. (You don’t need standing water)
• Turn your soldering irons to 750° F.
Would like to have a picture of our soldering
iron on 750
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Preparing your Iron
• Tin the tip of the soldering
iron by melting an inch or so
of solder on the tip.
• The iron will now look shiny
on the tip.
• Then wipe any excess solder
on the golden sponge.
• Now place the iron back into
the holder.
Tinning your soldering iron in
this manner will aid in future
soldering.
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Close up
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Strategy
Soldering
Iron
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Strategy
Move soldering iron until tip is
touching wire & solder pad
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Strategy
Move solder to touch edge of tip
Solder
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Strategy
Hold until solder melts
on tip by wire
Solder
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Strategy
Move soldering iron tip up. This
will drag solder up with it.
Solder
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Strategy
Look for shinny
fillets
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Soldering Tips
1. Make sure the tip is hot!
2. Clean & tin the tip regularly
Keep tip clean by using wet sponge and scour pad
3. Heat all parts until they are hot enough to melt
solder
4. Hold the iron on the joint until the solder flashes
around the pad
5. Do not use too much solder (Less is more here)
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Tips
• Use caution when
clipping leads to avoid
flinging metal across the
room.
• All soldering must
achieve a good solder
filet on the pad as shown
for circuit reliability.
• Bend resistors and
diodes using needlenose
pliers as shown.
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Solder Joints
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The tear drop of Joy
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Congratulations
you just soldered your first
component at
Time to tweet, instagram, or facebook!
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JiggyBot Altium
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JiggyBot Schematic
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JiggyBot - Step 1
Insert the LED into D1, solder then clip leads.
Be certain to
insert the short
(negative) lead
into the square.
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Steps 2 - 4
Insert, solder and clip leads
• R1
• Sw
• M1
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Step 5
If your JiggyBot vibrates and the LED is on, then
you have successfully built (soldered) your first
electronic device!
Facebook, Tweet, Instagram, Vine,
Whatever YOU do – tell the world
how awesome you are 
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Prepare for Race
You may strategically solder legs (stiff wires) onto your
JiggyBot.
All the JiggyBots will be placed
in a Hula Hoop and turned on.
The Hula Hoop will be removed and
Your goal is to make it to the
outer most ring (outlined in tape)
first!
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Jazz it Up
Pimp out your JiggyBot –
make her spectacularly fabulous!
– Only one criteria:
She MUST have your picture on her.
Take lots of pictures of her and post 
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Resistor Battery simulation
• https://phet.colorado.edu/en/simulation/batt
ery-resistor-circuit
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