Another plant watering system, now with a light sensor, 4 LEDs, silent pumps, and memory.
Project in progress by adamneareva and Fabio Cardoso
An other double plant watering version, now with more autonomy and less power consumption.
Project in progress by adamneareva
A firefighter Arduino autonomous robot which is capable of detecting, approaching and extinguishing fire.
Project in progress by Alberto Ben
An open microbial bioreactor for growing cultures of about 1L.
Project in progress by Open Bioeconomy Lab
Move your hand around - lights ON. Move hands over that again - lights OFF. Cool, right?
Project tutorial by ashraf_minhaj
I have tested these sensors but they can read the jar capacitance or the water stagnation
If metal used in the electrodes is not inox or similar it will corrode when there is water and oxygen
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