- Today we have been busy making our own switches and trying them in circuits with lights and buzzers. We thought some of them would make great burglar alarms when you stepped on the switch.
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Friday, 31 January 2014
Making Switches.
Last week we investigated which materials were good electrical conductors or insulators.
- Today we have been busy making our own switches and trying them in circuits with lights and buzzers. We thought some of them would make great burglar alarms when you stepped on the switch.
Posted using BlogPress from my iPad
- Today we have been busy making our own switches and trying them in circuits with lights and buzzers. We thought some of them would make great burglar alarms when you stepped on the switch.
Posted using BlogPress from my iPad
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