@nodeandnote: Meet the Photoresistor (LDR). This is one of the most fun sensors to introduce in a primary school lab because it is instantly interactive! ✋ Place your hand over the sensor ➡️ the LED turns on. 🔦 Shine a flashlight on it ➡️ the LED turns off. It turns the abstract concept of "Analog Data" into a physical game. We always recommend building the circuit digitally in Tinkercad first so students can confidently understand the wiring before touching the real hardware. #arduino #RBT #STEM #smartcity #tinkercad

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2026-06-23 06:44:10

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