Example Code for micro:bit-Plant Incubator
The article offers example code and setup instructions for a micro:bit-powered plant incubator, utilizing sensors to monitor soil humidity, air humidity, and temperature. It provides detailed hardware and software preparations, wiring diagrams, and sample programs using Mind+ and MakeCode. The system alerts users when environmental conditions are unsuitable for plant growth, ensuring optimal cultivation.
Hardware Preparation
- soil humidity sensor
- air humidity sensor
- temperature sensor
- buzzer module
- LED module
- micro:bit
- BOSON expansion board
Software Preparation
- Mind+
- MakeCode
Wiring Diagram
Other Preparation Work
Init the variable: set the variable "environmental indicator" to 0；
Measure the soil humidity: if the soil humidity is less than 200 or more than 800, set the "environmental indicator" to 1;
Measure the temperature: call the function to get the temperature, if it is less than 10 or over 40, set the "environmental indicator" to 1;
Measure the air humidity: if the air humidity is less than 60%, set the "environmental indicator" to 1;
Determine if the environment is appropriate for plant：if the environment indicator is 1, the current environment is not suitable for plant growth, the LED lights up and the buzzer starts making sound for 5s; otherwise, do nothing.
Sample Code
Mind+ Example Program:
MackCode Example Program:
Result
If there is one parameter exceeding the preset range, the LED lights up and the buzzer starts making sound for 5s; otherwise, do nothing.
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