




ST1: Lesson 3 Drone-Coordinated Agricultural System
Can a computer make smart farming decisions in mid-flight?
Students step into the role of system analysts. In this KS3 / lower secondary computing lesson learners explore how a drone collects data from a sensor, processes it through the CPU, and decides when to trigger the sprayer. They engage with an interactive simulation, applying the FDE cycle in a grid-based field scenario to control the drone’s actions. Learners analyse real-time responses and assess how hardware and software collaborate to produce precise outcomes in agricultural automation.
This lesson builds on ST1_2 by extending binary triggers into a live control scenario, where CPU logic and system software must respond to continuously changing input values.
Through this, students uncover:
• How embedded systems use real-time data to automate physical actions
• What the CPU does in managing sensor inputs and controlling outputs
• How software and hardware work together to guide system behaviour
• The concept of the FDE (Fetch–Decode–Execute) cycle in decision making
• Why input/output coordination and logic rules matter in real-world automation
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Pairs well with
A next-gen lesson that keeps your curriculum aligned with emerging trends in computer science
Built for formal scrutiny — structured around intent, implementation, and impact
Includes a full inspection-grade lesson plan
Packed with high-standard classroom activities — expertly designed and immediately classroom-ready
Includes full slide-by-slide speaker notes to support confident and consistent delivery
Keeps your curriculum sharp and future-facing — with topics that reflect today’s most relevant computing advances

ST1: Lesson 3 Drone-Coordinated Agricultural System
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Whats included:
Your digital download for this lesson contains 5 professionally organised folders, each containing matched teaching materials, student tasks, model answers, and full adaptations.
The lesson can be taught directly from the fully scripted presentation for confident, inspection-ready delivery.
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Classroom Adaption Guide