TTS Crumble Kasutusjuhend

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1 Set up the Crumble controller - Crumble blog 1
www.tts-shopping.com
Crumble blog 1
Product Code: TE10001
Set up the Crumble controller
2 Set up the Crumble controller - Crumble blog 1
Follow this step-by-step guide on how to set up and program the Crumble controller.
Associated resources:
Crumble lesson plan
Crumble PowerPoint 1
Crumble workbook 1
You will need:
Parts included in class kit
1 Crumble controller
1 micro-USB cable
1 sheet of corrugated plastic
4 crocodile leads
1 motor
1 motor mount
1 bulb holder
1 bulb
1 LED
And either (older kits):
1 battery holder 2xAA
1 battery snap
Or (newer kits):
1 switched battery holder 3xAA
Other parts, tools and consumables
1 computer with internet connection (Netbook
computers will work, but not Chromebooks)
Pencil
Ruler
Large scissors
Double sided sticky tape
Low melt glue gun
Pencil sharpener
Sandpaper
AA cells either 2 for the 2xAA battery
holder or 3 for the 3xAA battery holder (use
zinc cells, not alkaline or re-chargeable)
Step 1
Screw the bulb into the bulb holder. Fit the motor into the
motor mount - push it in from the end, not from above, to
avoid snapping the motor mount. Use the ruler and pencil to
draw a square 12.5cm x 12.5cm on the corrugated plastic
sheet, then cut it out with the large scissors to make the base.
2xAA battery holder with battery snap 3xAA switched battery holder
Use zinc cells Don’t use alkaline cells
3 Set up the Crumble controller - Crumble blog 1
Step 2
Draw and cut out a rectangle of corrugated plastic sheet 1.2cm x 5cm.
Stick a strip of double-sided tape onto one side of the rectangle,
remove the plastic backing and stick the rectangle to the Crumble
controller as shown. Make sure you attach the rectangle to the side of
the Crumble without components on. The purpose of the rectangle is
to allow height for the crocodile clips to attach to the Crumble
contacts.
Step 3
Stick the other side of the plastic rectangle to the base in the
position shown. Make sure you leave space on the base for the
battery holder. Plug one end of the micro-USB cable into the socket
on the Crumble controller (first look carefully at the plug and socket
to make sure they are the same way up). Plug the other end into a
USB port on your computer.
Step 4
Set up a destination folder called ‘Crumble’ on your computer where you want to install the
software, e.g. on your Desktop. Download the Crumble software onto your computer from here:
https://redfernelectronics.co.uk/crumble/. Double click on the downloaded file and run the set-up
wizard. Click ‘Next’ then when asked where to install the Crumble software click ‘Change…’ and
choose the destination folder you set up earlier. Navigate to your destination folder and double
click on ‘crumble’. The following window should appear.
Leave space here for battery holder
4 Set up the Crumble controller - Crumble blog 1
Step 5
Construct a program to run the motor at 50% power for
5 seconds as follows. Drag commands from the list on
the left hand side of the screen and drop them into the
blank space on the right. Each command needs to
attach to the one above it. First drag ‘program start
across. Then attach ‘motor 1 STOP’ to it. Click on
STOP’ and it will change to ‘FORWARD at 75%’. Click
on the ‘75’ and type in50’. Attach ‘wait 1 seconds’,
then click on the ‘1’ and type in ‘5’. Attach ‘motor 1
STOP again to finish.
Step 6
Click on the green arrow (top left of the screen) to run your
program. Motor 1 LED on the Crumble should glow red for
5 seconds and then switch off. Save your program in the
Crumble folder call it ‘Run motor’.
Step 7
If you have the 2xAA battery holder, tie the battery
snap wires in a reef knot as shown, so the metal ends
point away from each other and don’t accidentally
short circuit your battery by touching. Make a label for
your battery holder saying ‘Use ZINC cells not
alkaline’ and stick it on.
Step 8
Fit the cells into the battery holder (the right
way round). If you have the 2xAA battery
holder, stick it to the base. If you have the
3xAA battery holder, cut a 5cm square of
corrugated plastic with a 2.5cm square cut-
out. Tape this to the underside of the
battery box and then stick it to the base.
Step 9
Connect up the circuit shown on the right. If you have the 2xAA battery
holder, push the battery snap firmly onto the battery holder terminals. If you
have the 3xAA battery holder then switch on. Run the program (click on the
green arrow) and check the motor shaft turns for 5 seconds and then stops.
Push on battery snap
5cm square of
corrugated plastic
with 2.5cm square
cut-out.
Switch on
5 Set up the Crumble controller - Crumble blog 1
Step 10
Disconnect the crocodile clips from the motor
terminals and clip them onto the lamp holder
terminals (screw heads) instead. It doesn’t
matter which way round you connect them.
Run the program and check the lamp comes
on for 5 seconds and then goes off.
Step 11
Disconnect the crocodile leads attached to
the lamp. Use them to connect the LED up
to the Crumble as shown (make sure the
metal ends of the crocodile clips aren’t
touching each other). Notice that the LED
has a longer and a shorter leg. The longer
leg needs to be attached to output A, and
the shorter leg to the negative (-) terminal
next to it. It doesn’t work if you connect it
back to front.
Step 12
Start a new program (click on File, New). Drag across
‘program start’, then ‘set A HI’. Next attach ‘wait 1
seconds’ then click on 1 and change it to 3. Finally
attach ‘set A HI’ and click on ‘HI’ to change it to ‘LO’.
Run the program and check the LED comes on for 3
seconds and then goes off. Save the program call it
Light LED’.
Step 13
Disconnect the LED and its crocodile leads from the
Crumble. Switch off (if you have the 3xAA battery holder) or
unclip the battery snap from the battery holder (if you have
the 2xAA battery holder) to avoid draining the battery when
not in use. Your ‘Crumble controller unit’ is now ready to use
for the coloured spinner, traffic lights, chair-o-plane or
nightlight.
Copyright © Caroline Alliston 2022
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TTS Crumble Kasutusjuhend

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