Little Bird Circuits breadboard diagrams you can open in Fritzing Playground
PRP 3 — Light sensing with an LDR 4 parts · 5 wires · 27 views Download .fz Embed view

A recorded build: an LDR and a fixed resistor form a voltage divider, and the junction goes to A0 so the board reads a voltage that changes with the light. Plays back step by step.

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Shared from Little Bird Electronics. Opens in Fritzing — this image was created with Fritzing, and its part graphics are CC BY-SA 3.0.