There is a fine and coarse adjustment for the temperature limit setting. A switch is used to select the relay action. Operates on 12V DC. Circuit board 51 x 94 mm.
Note! Despite the texts, only connect low voltages. Not for mains voltage 230VAC!
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Elecrow AAK90039K - Arduino Automatic...
FK934
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There is a fine and coarse adjustment for the temperature limit setting. A switch is used to select the relay action. Operates on 12V DC. Circuit board 51 x 94 mm.
Note! Despite the texts, only connect low voltages. Not for mains voltage 230VAC!