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Delivery & Returns

This item is shipped from abroad:
  • Prepayment by M-Pesa or by credit card
  • 15 days free returns
  • Full refund if you do not get your package delivered

Delivery Information

Shipped from abroad. Delivered between Friday 7 Aug and Thursday 13 Aug.See more

Return Policy

Easy Return, Quick Refund.See more

Warranty

n/a

Seller Information

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Product details

Instructions phone calls lights:

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

Electrical characteristics:

Supply voltage: 3 to 12V
Sensing distance: about 1 m
PCB board size: 2.2cm * 2.8cm
Scope: GSM mobile phone signal, for CDMA phones are useless
Note: This is a DIY kit, you need to assemble it.

The 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.

Inductance of production:

Inductance 0.25 to 0.5MM 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.

Package includes:

3 x DIY Kit

Specifications

Key Features

  • Reasonable price
  • Durable and practical
  • Top Sales Item
  • Type:Medium
  • New and high quality
  • Durable and easy to use
  • Suitable for picture, photo ,cross stitch frame

Specifications

  • SKU: GE840EL03H673NAFAMZ
  • Main Material: n/a
  • Size (L x W x H cm): 8x5x3
  • Weight (kg): 0

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Generic 3Pcs 3-12V GSM Mobile Phone Signal Flashlight DIY Kit Electronic Circuit Training Suite

Generic 3Pcs 3-12V GSM Mobile Phone Signal Flashlight DIY Kit Electronic Circuit Training Suite

KSh 413
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