Shape Memory Alloy wire or springs are ‘smart’ materials that can be used to create mechanical actuation (movement). When an electric current is passed through the wire it heats up and so contracts with a large pulling force. When the current is removed the wire cools and so expands again (a ‘traditional’ steel spring is sometimes used to pull the smart wire/spring taut as it cools).
Bill of Materials
|FET ||? ||1 ||Buy Now |
|10k resistor (pack 100) ||RES10K ||1 ||Buy Now |
|1N4001 Diode ||RES041 ||1 ||Buy Now |
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