Automatic Street Light

Recommended before this lesson:

Your objective

In a Kigali street-light teaching model, turn the LED ON below 30% brightness; OFF at 30% and above. Brightness is normalized 0–100%, not lux.

Translations are draft and need educator review.

Drag blocks from the toolbox into the workspace. Connect statement blocks beneath Start. Use the zoom controls to see your program.

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Run and test the reading below, at, and above the threshold. Let the 10-second run finish.

Stop ends the current run and keeps the current device state. Reset clears the device and output, keeping blocks.

Virtual LED

Teaching model: external active-high LED on GPIO 2 (HIGH = ON). Real board wiring differs. This simulation does not verify physical firmware.

OFF · Ready · 0 ms

Execution output

Simulated inputslight (%): 50 %

LED 1 (GPIO 2): OFF

Read-only code preview

Connect one Start and all supported blocks with valid values to preview or run.

Editor keyboard and screen reader access has not been verified. The surrounding instructions and controls are keyboard accessible. Practical alternatives: run the preloaded starter program, import/export workspace JSON, or inspect the read-only JavaScript, MicroPython, and C++ code preview.