Embedded Files
Here is the circuit diagram:
Step 1:
Step 1:
- Prepare the water pump and the pipe
- Pour out the water from the base of the bottle
- Make a small hole (diameter ~ 1 cm) on one side of the base of the bottle for the pipe to pass through
- Connect the water pipe to the water pump
- Put the water pump into the base of the bottle
- Take out the wire through the small hole
- Attach the pipe with tapes
Step 2:
Step 2:
- Prepare the Microbit
- Detach the USB cable from the laptop
- Connect the microbit to the small AAA battery case
Step 3:
Step 3:
- Soil moisture sensor
- Put the soil moisture sensor into the soil
- Connect the soil moisture sensor to the microbit
Step 4:
Step 4:
- Connect the water pump, relay board and microbit
- Connect P1 and GND of microbit to the INPUT side of the relay board
The set-up will be like this
The set-up will be like this
Step 5:
Step 5:
- Press button A
- Press button B
- Check the auto watering function one hour later
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