DIY Polarless Dimmer Children Science Education Toy
Processing Time: Your item will be shipped out within 5-10 business days.
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- 30 Day Returns Guarantee
- Full or partial refund if the item is not as described
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Potentiometer is used to adjust and control the brightness of LED LED.
1. Understand the function of potentiometer in the circuit.
2. Understand the role of adjustable resistance in the circuit.
3. Understand transistor of semiconductor element.
4. Understand the working principle of this circuit.Features:
Cultivating children's interest in learning and desire for knowledge can help improve their academic performance.
Scientific knowledge in small production can lay a foundation for future inventions, mathematical and physical learning.
Improve children's sense of innovation and ability, let children win in the starting line, on the social more competitive.
Nowadays, children generally lack practical ability and strengthen the cultivation of practical ability, so that knowledge is no longer an issue.
High quality plastic parts, specially designed for scientific experiments, multi-functional, expandable, material safety and environmental protection odor-free.
Using quality electronic components and accessories, stable performance, safety and reliability.
Powered by 2 AA batteries (battery not include)
Fan kit should be provided by yourself, not included in the product
Completeness: Semi-finished Product
Stem From: Other
Package weight: 0.0700 kg
Product size: 10.00 x 7.50 x 2.50 cm / 3.94 x 2.95 x 0.98 inches
Package size: 20.00 x 14.00 x 5.00 cm / 7.87 x 5.51 x 1.97 inches
- Receiving time = Processing time + Shipping time
- Priority Direct Mail: 7-15 bussiness days
- Standard Shipping: 7-25 bussiness days
- Expedited Shipping: 3-7 bussiness days
Our Guarantee: 30 Day Returns or Exchange guarantee from the delivered date.
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