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| cgnsa : pengenalan fungsi pin arduino |
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| cgnsa : pengendali lampu / led arduino |
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| cgnsa : auto weigher |
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| cgnsa : sensor sensor dan relay |
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| cgnsa : pengering gabah / bji-bijian |
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| cgnsa : pengering gabah / bji-bijian (alarm notification) |
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| cgnsa : sarang walet / greenhouse |
