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Before the half term holiday, year 6 built their own set of traffic lights. They needed to make sure that only one light lit up at a time. This meant creating a three-way switch out of a pin and a paper clip to light each LED individually.
Before the half term holiday, year 6 built their own set of traffic lights. They needed to make sure that only one light lit up at a time. This meant creating a three-way switch out of a pin and a paper clip to light each LED individually.