Wasserzähler IMPULS LED
thingiverse
The following components are needed for this project: A datasheet from Texas Instruments can be found at http://www.ti.com/lit/ds/symlink/opt101.pdf. A 5mm green LED is required, which can be purchased from https://de.aliexpress.com/item/32323764461.html?spm=a2g0s.9042311.0.0.27424c4dCPXJZG. A bi-convex lens is also necessary and can be found at https://de.aliexpress.com/item/32972402778.html?spm=a2g0s.9042311.0.0.27424c4dh0ZOHS. In addition, a cable protection tube such as the one available from Bauhaus at https://www.bauhaus.info/kabelschutzrohre/stangenrohr/p/20573838 is needed. To read the signals from these components, an Arduino with analog input capabilities will be used.
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