Tag Archives: soil humidity sensor

Plant Watering Indicator (Part 2)

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In part 1 of that post, I showed the PCB design for that project and how I produced it. This design relies on an Attiny13a: You will see that the following code is not done using regular Arduino functions. I used the registers directly instead. The reason for that is that you have only 1KB of space to store the… Read more »

Plant Watering Indicator (Part 1)

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If you are like me, you never think about watering your plants.  Well, you think about it but only when they look very bad because they didn’t had water for weeks…  🙂 I thought it would be fun to create a small prototype that would tell me when my plants need water.  Here it the final result:     The… Read more »