User:Anna Pfannstiel: Difference between revisions

32 editsJoined 29 July 2015
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The first momentary switch is connected to the power supply of the circuit. By pushing the cardboard-button, the inside alu foil is touching alu foil and closes the circuit,the motors are on/off.
The first momentary switch is connected to the power supply of the circuit. By pushing the cardboard-button, the inside alu foil is touching alu foil and closes the circuit, the motors are on/off.
The second momentary switch works the same way, but is connected to a relay. When metal touches metal the polarity changes and the direction of the attached motors also changes.
 
The second momentary switch works the same way, but is connected to a DPDT-relay. When metal touches metal the polarity reverses which changes the direction of the attached motors.