Peel from the case to the element. Follow the readout through this conceptual model.
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Drag to rotate; pinch to zoom. With the view focused: arrow keys rotate, + / − zoom, 1–3 choose a layer, Home resets rotation and zoom. Step advances to the next layer; Reset returns to the case and default view. Layer buttons select a view directly. The page does not move on its own.
A photoresistor changes resistance as the light level changes. [Photoresistor Compression Loop]
Teaching view: A round disc with a dark zig-zag track sits on two silver leads. The disc represents the resistor whose resistance changes with light.
A photoresistor changes resistance as the light level changes. [Photoresistor Compression Loop]
Teaching view: A round disc with a dark zig-zag track sits on two silver leads. The disc represents the resistor whose resistance changes with light.
The divider voltage depends on both the LDR resistance and the fixed resistor. [Photoresistor Compression Loop]
Teaching view: The two leads connect this loose LDR to an external circuit. Pairing it with a fixed resistor makes a voltage divider that turns resistance changes into voltage changes.
The course example shows resistance decreasing as illumination increases. [Photoresistor Compression Loop]
Teaching view: The inner patch and zig-zag track mark the light-sensitive resistor. Light frees electric charges in its semiconductor material, allowing current to flow more easily and lowering its resistance. With this resistor connected to the supply and a fixed resistor connected to ground, brighter light raises the voltage at their junction.
Explode separates the conceptual layers; X-ray makes the case translucent. External package dimensions follow the model specification; internal teaching geometry is conceptual, not to scale, and is not manufacturer CAD or a wiring diagram.