Activity 2
Auto-farmer
Introduction
Use relays and home-made moisture sensors to make a prototype of an automated farming system that senses when crops are dry, saving water and increasing food production.
Learning objectives
- Understand what the Global Goals are
- Understand what goal 15 is and its significance
- Understand the basics of transmitting data
- Produce a data node product to meet the success criteria
- Develop the product further with additional features
You will need
Downloadable resources:
- Lesson plan
- Lesson slides
- Student handouts
- Activity sheet
- IPO worksheet
- HEX file
Other resources:
Breakout board for micro:bit pins (optional), jumper wires (optional), relay module (optional), LED lights (optional), electric pump (optional)
Quick links

These projects are contributed by the Arm School Program
Lesson plan
The big picture – why is this relevant?
Key concepts:
Lesson sequence
Code available
Making
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