| 1 |
Coin detection unit |
coin box |
wood |
10cmx10cmx10cm , Hollow box with a hole to insert the coin |
1 |
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Motion(coin) detector |
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PIR sensor |
1 |
| 2 |
Rotaional Unit |
Gears |
Plastic |
thickness=5mm R=13.75mm r=3mm |
2 |
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Thread |
Steel |
thickness = 1mm length =9.3cm |
2 |
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thickness = 1mm length = 7.3cm |
2 |
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It has two holes at the end of diameters are 0.155 and 0.130 respectively |
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DC motor controller |
---- |
Arduino UNO |
1 |
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Actuator |
---- |
DC motor |
1 |
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Gear stand |
Wood |
It contains 2 stand to support gears |
1 |
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and 1 stand to support the DC motor |
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of dimensions 6cmx1cmx1cm and |
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6cmx2.062cmx2.053cm respectively |
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Case |
Acrylic sheets |
All parts of rotational unit are held together in a case (hollow cube) |
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It has a hole to connect the gears and dolls, the dolls are connected to |
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the stands on the case |
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MOSFET |
---- |
Voltage regulator |
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Dolls |
----- |
thickness=1mm length =3.6cm |
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Bolts |
----- |
The gear stand and the base of the case are connected using bolts |
4 |
| 3 |
Indication Unit |
Display |
------ |
LCD screen |
1 |
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Push button |
--- |
To start and edit timer on LCD screen |
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Resistance regulator |
---- |
Potentiometer |
1 |
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Input controllers |
----- |
Push button |
4 |
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Output |
----- |
Buzzer |
1 |
