Plant Guardian
ReadyA soil probe that watches how dry the pot is getting and lights up when the plant wants water.
35 minIntermediate6 steps5 parts
What you'll learn
- Analogue readings
- Thresholds
- LED polarity
- Conditional logic
Build steps
- Check your kit3 min
- Bring power to both rails4 min
- Wire the probe7 min
- Build the lamp7 min
- Choose the threshold6 min
- Upload and let it dry out8 min