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by using small photovoltaic panels. <br> | by using small photovoltaic panels. <br> | ||
The energy powers a 555 timer, that then plays a sound. <br> | The energy powers a 555 timer, that then plays a sound. <br> | ||
The frequency of the sound is depending on the intensity of light shining on the circuit, which is detected by a photocell. | The frequency of the sound is depending on the intensity of light shining on the circuit, which is detected by a photocell.<br> | ||
this sound stands for the activities that are taking place within an ecosystem<br> | this sound stands for the activities that are taking place within an ecosystem<br> | ||
(I am focusing on plants, basically a tree) during the daytime. <br><br> | (I am focusing on plants, basically a tree) during the daytime. <br><br> | ||
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[[File:structure_TODAN1.jpg|400px]]<br>[[File:TODAN_Schaltplan1.jpg|400px]]<br><br> | |||
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The second circuit is focusing on the processes at nighttime in the darkness. <br> | The second circuit is focusing on the processes at nighttime in the darkness. <br> | ||