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Programmable, battery-free wireless doorbell with an energy harvesting switch that operates wirelessly, without a battery.
Programmable, battery-free wireless doorbell with an energy harvesting switch that operates wirelessly, without a battery.
Programmable, battery-free wireless doorbell with an energy harvesting switch that operates wirelessly, without a battery.
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748 backers pledged HK$ 163,205 to help bring this project to life.

About

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Linbell – The Wireless Doorbell Requires No Battery

HK$ 163,205

748

Wireless doorbells are quite common nowadays, but what makes Linbell stand out is the fact that it doesn’t need batteries or an external power supply. 


Linbell is easy to install, requires no wiring and requires no battery replacement. 

 

 

  

 

   

 

Stick or install the transmitter anywhere you like
Stick or install the transmitter anywhere you like

 

 

                                             

 

 

 

Get multiple receivers if afraid to miss the bell ring
Get multiple receivers if afraid to miss the bell ring

 

Linbell is programmed with 36 types of ring tones and adjustable on the volume. Pick the favorite one for you and family!

36 types of tones, adjustable volume
36 types of tones, adjustable volume


Linbell is entirely self-sufficient, converting the kinetic energy of the switch actuation into a voltage pulse, powering an RF transmitter and sending signals to the receiver.

 

 

 

 

The Linbell energy harvesting kit is an easy-to-use feature for a better user experience.

 

There are 2 transmitters, 1 receiver, and 1 Evaluation board in the kit. 

The transmitter contains a energy harvester and a wireless PCB. When you press the transmitter, it will transmit wireless signal and the receiver will receive the signal and output digital "1" or RS232 digital message.

The evaluation board contains a connection unit for RS232 to USB, one reset key, and one buzzer. You can see the communication message by a serial digital numbers on the computer.   

 

 Explore what you can do with the Linbell energy harvesting kit!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Risks and challenges

The risks inherent in mass production are real and we’ve taken every precaution to prepare for and actively address them should they arise. With the support of our manufacturing and distribution partners we are well equipped for the challenges ahead.

We promise to maintain transparency and to keep our backers updated and informed about any issues that may arise and our solutions to such.

Our passion and mission is to deliver the best possible Linbell into your hands ASAP.

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Support

  1. Select this reward

    Pledge HK$ 148 or more About $19

    LINBELL PACK - $19 USD

    SUPER EARLY BIRD!
    HK$148 = US$19 approx.

    Free Shipping USA & Hong Kong.

    Includes:
    • Linbell Transmitter
    • Linbell Receiver
    Less
    Estimated delivery
    Ships to Anywhere in the world
    Limited 431 backers
    HK$
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  2. Select this reward

    Pledge HK$ 187 or more About $24

    LINBELL PACK - $24 USD

    EARLY BIRD!
    HK$187 = US$24 approx.

    Free Shipping USA & Hong Kong.

    Includes:
    • Linbell Transmitter
    • Linbell Receiver
    Less
    Estimated delivery
    Ships to Anywhere in the world
    10 backers
    HK$
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  3. Select this reward

    Pledge HK$ 225 or more About $29

    LINBELL 2+1 PACK - $29 USD

    SUPER EARLY BIRD!
    HK$225 = US$29 approx.

    Free Shipping USA & Hong Kong.

    Includes:
    • Linbell Transmitter
    • Linbell Receiver
    Less
    Estimated delivery
    Ships to Anywhere in the world
    Limited 48 backers
    HK$
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    It's a way to bring creative projects to life.

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  4. Select this reward

    Pledge HK$ 225 or more About $29

    LINBELL ENERGY HARVESTING KIT - $29 USD

    HK$225 = US$29 approx.

    Linbell Energy Harvesting Kit. DIY it with your imagination!

    Free Shipping USA & Hong Kong.

    Includes:
    • Linbell Energy Harvesting Kit
    Less
    Estimated delivery
    Ships to Anywhere in the world
    22 backers
    HK$
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  5. Select this reward

    Pledge HK$ 225 or more About $29

    LINBELL 1+2 PACK - $29 USD

    SUPER EARLY BIRD!
    HK$225 = US$29 approx.

    Free Shipping USA & Hong Kong.

    Includes:
    • Linbell Transmitter
    • Linbell Receiver
    Less
    Estimated delivery
    Ships to Anywhere in the world
    Limited 89 backers
    HK$
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    It's a way to bring creative projects to life.

    Learn more about accountability.
  6. Select this reward

    Pledge HK$ 295 or more About $38

    LINBELL DOUBLE PACK - $38 USD

    SUPER EARLY BIRD!
    HK$295 = US$38 approx.

    Free Shipping USA & Hong Kong.

    Includes:
    • Linbell Transmitter
    • Linbell Receiver
    Less
    Estimated delivery
    Ships to Anywhere in the world
    Limited 137 backers
    HK$
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    It's a way to bring creative projects to life.

    Learn more about accountability.
  7. Select this reward

    Pledge HK$ 372 or more About $48

    LINBELL DOUBLE PACK - $48 USD

    EARLY BIRD!
    HK$372 = US$48 approx.

    Free Shipping USA & Hong Kong.

    Includes:
    • Linbell Transmitter
    • Linbell Receiver
    Less
    Estimated delivery
    Ships to Anywhere in the world
    5 backers
    HK$
    Kickstarter is not a store.

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Funding period

- (32 days)