Light-Sensitive Circuit Teaching Demonstrator, 3 V

✅ See the sensor work. The photoresistor sits exposed on the board, so learners can point to the light-sensitive part.

✅ Change the light. Vary the light reaching the sensor and follow the circuit response during a demonstration.

✅ Connect a teaching supply. Marked terminals take a suitable low-voltage teaching supply for the lesson.

✅ Follow the layout. Exposed components and Chinese labels let learners trace the arrangement on the green base.

A visible light-control circuit for lessons

A small light-control circuit on a green base for showing how a photoresistor affects a simple circuit. It is marked 3 V, carries visible components and labelled terminals, and measures about 7.6 × 3.6 cm. An external power supply and connecting leads are not included.

Technical details

• Approximate base dimensions: 7.6 × 3.6 cm
• External power supply and connecting leads are not included
• The panel is marked 3 V and carries Chinese component labels
• Visible parts include a photoresistor, LED, resistor and transistor

Check your supply and leads, then set up the light-response demonstration.