REKA:BIT RBT Project Kit | Project 3B: Auto Plant Watering System #microbit #stemeducation

Cytron Technologies

1 Mar 202306:09

Summary

TLDRThis video guides viewers through building an automatic plant watering system using a micro bit, soil moisture sensor, and submersible water pump. The system helps keep plants hydrated by measuring soil moisture and activating the water pump when needed. It features a simple code setup to trigger RGB pixels indicating the moisture levels and controls the pump for watering. Viewers will learn how to set up the system, program it, and watch their plants thrive with minimal effort, ensuring optimal care for different types of plants.

Takeaways

😀 The project demonstrates how to build an auto plant watering system.
🌱 The system will help maintain plants by watering them automatically, preventing the need for daily manual watering.
🔧 Key materials required include a rekka bed, micro bit, soil moisture sensor, and a submersible water pump.
🛠️ Connections for the soil moisture sensor: P2 for black, VCC for red, P12 for white, and yellow for tapito.
💧 The water pump should be connected to motor 2 terminals, with the red wire going to M2A and the black wire to N2B.
💻 To build the code, use the macode editor, create a new project, and add the rekka bed extension.
📊 The soil moisture level is monitored by the system, and it activates the water pump if the soil moisture is below 650.
🔴 If the soil is dry, the system lights up red RGB pixels on the rekka bed and activates the water pump for 5 seconds.
🌿 If the soil is moist, the system lights up green RGB pixels on the rekka bed and displays a happy icon.
⚙️ The threshold moisture value can be adjusted depending on the plant type (e.g., cactus vs. leafy plants).
🎉 After setting up the system, you can sit back and watch your plants thrive with minimal effort.

Q & A

What is the main purpose of the Auto Plant Watering System?
-The main purpose of the Auto Plant Watering System is to automate the process of watering plants, ensuring they receive the necessary moisture without the need for daily manual intervention.
What materials are needed to build the Auto Plant Watering System?
-The materials required are a Rekka bed, a Micro Bit, a soil moisture sensor, and a submersible water pump.
How do you connect the soil moisture sensor to the Micro Bit?
-The soil moisture sensor should be connected as follows: the black wire goes to ground, the red wire to VCC, the white wire to P12, and the yellow wire to P2 on the Micro Bit.
What is the role of the water pump in the Auto Plant Watering System?
-The water pump is used to pump water to the plant when the soil moisture is detected to be low, helping to keep the plant watered automatically.
How is the water pump connected to the system?
-The water pump is connected to motor terminal 2 with the red wire going to M2A and the black wire going to N2B.
What happens when the soil moisture is above 650?
-When the soil moisture is above 650, indicating that the soil is moist, the system lights up the RGB pixels on the Rekka bed in green and shows a happy icon.
What happens when the soil moisture is below 650?
-If the soil moisture is below 650, indicating that the soil is dry, the system lights up the RGB pixels in red, shows a start icon, and activates the water pump to water the plant for 5 seconds.
Why is the threshold value for soil moisture set to 650?
-The threshold value of 650 is set as an example for the dry condition. It may vary depending on the plant's needs. For example, a cactus requires less moisture than a leafy plant.
How long does the water pump run when activated?
-The water pump runs for 5 seconds once it is activated to water the plant.
How does the system indicate that the plant is happy and moist?
-When the soil is moist, the system lights up the RGB pixels in green and displays a happy icon to show that the plant is doing well.