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[[File:555_astable_2_small.jpg]] | [[File:555_astable_2_small.jpg]] | ||
== Assignment 2: | == Assignment 2: momentary switch== | ||
'''switch, relay, | '''switch, relay, motors''' | ||
555 timer, 2 switches, relay, 2 motors, trash | |||
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By | 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. | |||