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Mobile Phone Signal Flash Light DIY Kit 3 12V Radiation Power Electronic DIY Kit Fun

Mobile Phone Signal Flash Light DIY Kit 3-12V Radiation Power Electronic DIY Kit Fun

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ICSK053A Precise DIY Kit Mobile Phone Signal Flash Light 3-12V Radiation Power

Phone call lights kit can be used to sense the GSM signal display, sensing distance up to 1 m, it is a very interesting DIY kit.

1. Electrical Characteristics
1). Supply voltage: 3 to 12V;
2). Sensing distance: about 1 m;
3). PCB board size: 2.2 cm * 2.8 cm;
4). Scope: GSM mobile phone signal, not available for CDMA mobile;

2. Circuit theory:
The main circuit is amplified antenna sensor signal circuit and circuit. Sensing signal through the antenna 3 to S8050 transistor amplifier to drive the LED, so that light up. When no signal is detected, no calls or no GSM phones, LED circuit is not only detects the signal to light up LED.

3. Assembly consideration:
Inductance of production:
Inductance 0.25 to 0.5 MM enameled available in pen core above can be around 5-10 laps. After a good round with a blade to scrape paint inductor 2, so we go soldered to the board.

4. Component list

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N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $1.19 / piece
Sale Price:  US $0.99 / piece
from AliExpress
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