Traffic light model with LEDs

SKU: 110110

Traffic light model with LEDs

€4,55
€4,55
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Traffic light model with LEDs Traffic light model with LEDs, when the 4.5V battery is connected, the LEDs light up red, changing to green and yellow. The traffic light works continuously as long as the battery is connected. Battery not included. Supplied with assembly instructions. Material: 1 x electric wire 1 m 1 x Yellow LED 1 x Green LED 1 x Red LED 1 x Electrolytic capacitor (Elko) 10 μF 1 x Elko 100μF 3 x Elko 220μF 3 x BC 547 B transistor 2 x 130 Ohm Resistor 1 x 150 Ohm Resistor 1 x Resistor 3.9 kOhm 2 x 4.7 kOhm resistor 1 x Resistor 5, 6 kOhm Features: Supplied without 4.5V battery, base plate and thumbtacks. Recommended age: 12+ Construction time: 3 h. Tools:

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