1.
5 volt power supply using 7805 IC hand made on GPB (General Purpose Board) |
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2.
555 audio Ampilifire hand made on GPB ( General Purpose Board) |
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3.
555 base timer with relay hand made in GPB ( General Purpose Board)" Use for Engineers. |
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4.
555 Based Timer hand made in GPB (Gneneral Purpose Board) |
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5.
555 led fleshing led hand made on GPB ( General Purpose Board) |
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6.
AC Fan Regulator hand made in GPB ( General Purpose Board)" Use for Engineers. |
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7.
BCD to7 segment display hand made on GPB (General Purpose Board) |
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8.
Blown fuse indicator hand made in GPB |
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9.
Burglar alarm using 555 hand made on GPB (General Purpose Board) |
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10.
D.S.S hand made on GPB (General Purpose Board) |
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11.
Digital Counter hand made on GPB (General Purpose Board) |
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12.
Disco light hand made on GPB (General Purpose Board) |
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13.
Electronic dice hand made in GPB ( General Purpose Board)" Use for Engineers. |
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14.
Fire Alarm hand made on GPB ( General Purpose Board) |
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15.
Gas Leakage Alarm hand made on GPB (General Purpose Board) |
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16.
LDR based latter box hand made on GPB (General Purpose Board) |
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17.
Light dimmer hand made on GPB (General Purpose Board) |
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18.
Object Ditector using IR sensor hand made in GPB |
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19.
PWM motor speed Control using 555 IC hand made on GPB (General Purpose Board) |
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20.
Rain alaram using buzzer hand made on GPB (General Purpose Board) |
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21.
Rain operated alarm hand made on GPB ( General Purpose Board) |
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22.
Smock ditector hand made on GPB (General Purpose Board) |
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23.
Sound detector hand made on GPB (General Purpose Board) |
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24.
Start -Stop logic hand made on GPB (General Purpose Board) |
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25.
Tempurature control alarm hand made on GPB ( General Purpose Board) |
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26.
Tone Generator using 555 TIMER IC hand made on GPB (General Purpose Board) |
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27.
Touch alarm hand made on GPB (General Purpose Board) |
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28.
Traffic light hand made on GPB (General Purpose Board) |
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29.
Transformer Less Power Supply hand made in GPB |
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30.
Voltage booster hand made on GPB (General Purpose Board) |
0 votes |
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31.
Watar leval alaram buzzer hand made on GPB (General Purpose Board) |
0 votes |
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