Alternating intermittent model

SKU: 110040

Alternating intermittent model

€3,81
€3,81
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Alternating flashing model, when the 4.5 V battery is connected to the circuit, the two lamps light up intermittently. Supplied without batteries.

When a 4.5 V voltage source is connected, the lamps turn on and off intermittently and alternately with each other. Suppose the first transistor BC 548/547 is blocked and the other one is in transition. The first electrolytic capacitor is then charged to a voltage of 3.8 V. If the first transistor passes, the voltage at the collector drops to 0.2 V. At this point, the capacitor is charged and at the base of the second transistor there is a voltage of 3.1 V, therefore blocked; this allows the second capacitor to charge to 3.8 V. Through the 6.3 kOhm resistor, the voltage at the base slowly increases to 0.7 V, which makes the transistor pass, and the cycle repeats. again.

Recommended age:
12+

Construction time:
2 h.

Tools:

Download instruction manual

Pairs well with

NOTICE: If the box/packaging is dented or damaged, and/or the protections are broken, this observation must be indicated on the carrier's delivery note. Once the goods have been delivered, and without any incidents on the carrier's delivery note, the customer will be responsible for any visible damage.

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