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''' | '''555 timer, 2 switches, relay, 2 motors, trash''' | ||
555 timer, 2 switches, relay, 2 motors, trash | |||
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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 | 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 current flows and the motors run. | ||
The second momentary switch works the same way, but is connected to a DPDT-relay. When metal | The second momentary switch works the same way, but is connected to a DPDT-relay. When metal is touching metal the polarity gets reversed which changes the direction of the attached motors. |
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