Thames & Kosmos Green Engineering: Clean Energy & Sustainable Living handleiding

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Thames & Kosmos

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Handleiding

1414

Operating the

robotic mower with

solar energy

You will need

– Assembled model house

– Charged batteries in battery station

– Robotic mower with charging cable

– Green Engineering box

– Scissors

Here’s how

1. Open the Green Engineering box. On the

sides of the lower half you will see a hedge

printed. Cut this off the box in one piece

using a good pair of scissors.

Ask an adult for help.

2. Place the hedge as a garden wall in front of

your model house. If you like, you can attach

it to the ground with tape or even with clay.

3. Push the switch on the battery station

upwards to put it in output mode. Plug

the charging cable into port 1 on the

battery station.

4. Plug the other end of the cable into the

robotic mower. Let the robotic mower

charge for at least 30 seconds, preferably

longer.

5. Hold the mower in one hand and unplug

cable from the robot with the other hand.

6. Place the robot inside the garden fence

and watch it go!

When connected to the battery station, a capacitor is charged

inside the robotic lawnmower. The capacitor stores small

amounts of electrical energy that drives a vibration motor,

which in turn moves the robot. When the energy is used up, the

motor stops. Real robotic lawnmowers have a battery inside

that needs to be recharged after a while. The robotic

lawnmower is an electrical load in your model house. This

refers to devices that require electrical power to function and

cannot generate this energy themselves.

EXPERIMENT 2

: THE ROBOTIC MOWER

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