How to Make a Heat Activated Fan

By using a temperature activated board built in the heat activated option and the addition of motor it is possible to make a heat activated fan (shown below). The fan can be set up to come on at a desired temperature by adjusting the variable resistor.

Parts List:

• Temperature activated switch (stock code 2113)
• 3 x AA Battery cage with lead (stock code 2234-25 - pack of 25)
• PP3 battery clip lead (stock code 2238-25 pack of 25)
• Motors (stock code 2501 - pack of 10)
• Motor clip (stock code 2505 - pack of 10)
• Zinc Chloride AA batteries (2201-40 - box of 40)

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