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Ledunia is an ESP8266 development board, including a full TCP/IP stack, which you can use for rapid prototyping any IoT application
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192 backers pledged €19,264 to help bring this project to life.
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LEDUNIA | The WiFi-Enabled IoT Dev Board | Made in Germany project video thumbnail
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€19,264

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What is a prototype?

A prototype is a preliminary model of something. Projects that offer physical products need to show backers documentation of a working prototype. This gallery features photos, videos, and other visual documentation that will give backers a sense of what’s been accomplished so far and what’s left to do. Though the development process can vary for each project, these are the stages we typically see:

Proof of Concept

Explorations that test ideas and functionality.

Functional Prototype

Demonstrates the functionality of the final product, but looks different.

Appearance Prototype

Looks like the final product, but is not functional.

Design Prototype

Appearance and function match the final product, but is made with different manufacturing methods.

Production Prototype

Appearance, function, and manufacturing methods match the final product.

B869c7b701372a7d631d0ef86ba71c33 original.jpg?ixlib=rb 2.1

Prototype Gallery

These photos and videos provide a detailed look at this project’s development.

Ledunia is a wifi-enabled development board, including a full TCP/IP stack, which you can use for rapid prototyping any IoT application you can think of.

Ledunia is already a fully functional prototype
Ledunia is already a fully functional prototype

Ledunia is based on the proven ESP8266 microchip technology, but with a twist. The chip is just the beginning: we’ve added pin headers, memory, neopixel LEDs and a standard USB plug, and then enclosed the board in a durable plastic case, so it’s easy to take your ledunia projects with you.

You can take your ledunia to class to show off a project, or to a customer to demonstrate your technology, without worrying about damaging the board.

Ledunia is comparable to the Arduino platform and it’s fully compatible with the Arduino IDE, so you can take advantage of existing Arduino tools, sketches and projects as the basis for your new ideas.

Fully compatible with the Arduino IDE
Fully compatible with the Arduino IDE

However, ledunia is NOT just another nodeMCU clone. It executes much faster than Arduino and has many more features and resources on board, giving you a wider range of development possibilities. 

Real Plug&Play covered by Microsoft's digital signature authentication
Real Plug&Play covered by Microsoft's digital signature authentication

Our funding goal of $18500 is to cover the cost of manufacturing the ledunia boards, including all the on-board hardware (memory, pin headers, etc).  

Once manufacturing for the PCBs is covered, our stretch goal is to manufacture the custom plastic enclosure. 

We've made this a stretch goal rather than including it in the basic funding goal for two main reasons:

  • We're not sure how many of you would like an enclosure, and we want to make sure you get your ledunia boards, even without an enclosure; and
  • Manufacturing the enclosure has relatively high upfront costs for creating the injection mould, and we insist on high-quality, highly-diffusive plastic granulate, so that the end result shows off the neopixels to their full advantage
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Specially selected material with highly diffusive characteristics
Specially selected material with highly diffusive characteristics
4 ultra-strong neodymium magnets for maximum flexibility
4 ultra-strong neodymium magnets for maximum flexibility

Ledunia’s grid dimensions are 2.54 mm, so it’s fully compatible with any standard bread board. And we used female pin headers for a good reason: they don’t bend, and you can attach your IoT sensors directly to ledunia without needing to use a breadboard.

Breadboard compatibility
Breadboard compatibility

Ledunia was designed to be super easy to use – simply plug it into your computer using the USB port, add your favorite IoT components, like sensors and displays and you’re ready to go!

Simple to add IoT sensors or displays
Simple to add IoT sensors or displays

Ledunia is fully compatible with the Arduino IDE, but it also speaks MicroPython, Lua, JavaScript, Java, Java Processing, Basic and Mongoose OS, so you can use whichever language you prefer.

Overcoming language barriers
Overcoming language barriers

It’s simple to complement your existing Arduino projects, or any development board that has I/O pins available.

Simply download an Arduino sketch. The Arduino IDE already includes countless libraries for nearly every IoT sensor on the market, so you can create IoT applications customized to your individual requirements.

Or do it your own way and write your own sketches
Or do it your own way and write your own sketches
Redefine your home automation, and build your own custom IoT world.
Redefine your home automation, and build your own custom IoT world.

Upload your data to your favourite IoT cloud service or to a monitoring tool like PRTG.

IFTTT, XML, JSON, COAP and many more
IFTTT, XML, JSON, COAP and many more

Ledunia has WiFi on board to provide 1-wire resources, GPIO, PWM, ADC, i2c, SPI and more at your fingertips, combined with a stable industrial-quality USB-TTL-Serial plug.

802.11 b/g/n | Wi-Fi Direct (P2P) | Soft-AP | +19.5dBm output power in 802.11b mode
802.11 b/g/n | Wi-Fi Direct (P2P) | Soft-AP | +19.5dBm output power in 802.11b mode
1-wire resources, GPIO, PWM, ADC, i2c, SPI and more!
1-wire resources, GPIO, PWM, ADC, i2c, SPI and more!

We’ve engineered ledunia for mobile devices and wearables. The power-saving architecture features three modes of operation: active mode, sleep mode and deep sleep mode, allowing battery-powered designs to run much longer.

Three modes of operation: Active Mode, Sleep Mode and Deep Sleep Mode
Three modes of operation: Active Mode, Sleep Mode and Deep Sleep Mode
Ledunia is NOT “just another nodemcu clone”. We’ve completely redesigned the concept and built it from scratch.
Ledunia is NOT “just another nodemcu clone”. We’ve completely redesigned the concept and built it from scratch.

Let’s start with the 32 Mb Memory: We’ve added a Winbond 256M-bit flash memory, which means you now have an incredible 32Mb serial flash memory for your projects. 

With this 32 Mb flash memory you can implement much larger and more complex programs than with comparable boards.

The colorpicker in this example is also located in the Spiffs memory
The colorpicker in this example is also located in the Spiffs memory
Incorporate sophisticated web-based apps that can include your own fonts, CSS, content and so on
Incorporate sophisticated web-based apps that can include your own fonts, CSS, content and so on

To get those apps onto your board, you can use the Arduino IDE to upload your data to ledunia. 

And uploading has never been easier. 

We have completely eliminated the push buttons for the upload or reset process. The upload is handled automatically by the software, which guarantees maximum freedom, especially for the development of enclosures for your ledunia projects. 

To make updating even easier, ledunia is ready for OTA – the Over the Air update. 

OTA may be done by the Arduino IDE, by a web browser or via an HTTP server.
OTA may be done by the Arduino IDE, by a web browser or via an HTTP server.

As we mentioned earlier, we included four ultra-bright multicolor WS2812b LEDs, which you may know as neopixels. Each LED is individually addressable since the driver chip is inside the LED.

Neopixels WS2812B
Neopixels WS2812B

These LEDs are 'chainable' – simply connect Ledunia's output to the input of an LED stripe.

To make this even easier, we’ve added additional GPIO pins to the PCB.
To make this even easier, we’ve added additional GPIO pins to the PCB.
REST API controlled - rainbow pattern
REST API controlled - rainbow pattern

But what can you do if your WiFi signal is weak? You can easily extend your WiFi range by adding an external antenna. A U.FL, Ultra Miniature Coaxial Connector Receptacle, is already on board.

Wide range WiFi with the on-board antenna connector
Wide range WiFi with the on-board antenna connector

When the WiFi stack is enabled, you still have about 80% of the processing power available for your programming and development.

WiFi stack enabled - 80% processing power available
WiFi stack enabled - 80% processing power available

Ledunia is designed as a development board for rapid prototyping. That’s why we chose a USB plug rather than a micro USB port. You can connect directly to your PC or Mac without having to use a separate cable.

The USB plug is covered by Microsoft's digital signature authentication. 

The USB plug is covered by Microsoft's digital signature authentication and you DON’T need an external programmer like an FTDI because it’s already on board
The USB plug is covered by Microsoft's digital signature authentication and you DON’T need an external programmer like an FTDI because it’s already on board

All system LEDs you already know from Arduino or NodeMCU are available on the ledunia board. Some of these LEDs we deliberately turned off. This was partly for aesthetic reasons but mostly to save power – especially for the deep sleep mode. 

If you want to activate the LEDs, no problem, we’ve added soldering bridges on the board.

All parts of ledunia are open-source and open-source-hardware.

Ledunia will be shipped worldwide!
Ledunia will be shipped worldwide!
What will you create with Ledunia?
What will you create with Ledunia?

Ledunia is already a fully functional prototype and now we need your support to bring ledunia to the market. 

Please check out the prototype gallery above for more details!

Let’s redefine IoT with ledunia right now.
Let’s redefine IoT with ledunia right now.
GPIO PINOUT
GPIO PINOUT

We’ve been working on IoT and IIoT for over 5 years now. The ledunia that you see in the pictures above is a real, working prototype.  

With your support, we can bring ledunia to the market worldwide. While we're close to entering production, your contribution will help fund:

  • Production tooling
  • Large component order
  • Global certification

Processing:

  • Espressif ESP8266 SoC
  • Integrated TCP/IP protocol stack
  • Integrated low power 32-bit CPU (80-160 Mhz) processor 
  • 802.11 b/g/n Wi-Fi
  • +19.5dBm output power in 802.11b mode
  • Direct (P2P), soft-AP
  • On-board FTDI USB-to-Serial

Interfacing:

  • UART, SPI, I2C, I2S, ADC, PWM. 20 GPIO pins

Memory:

  • 32 MByte

Power:

  • In: 3.7V-6V
  • VUSB: 5V 
  • VCC:3.3V @500mA
  • Max 12mA per I/O pin

Power ESP8266:

  • Transmit 135-215mA
  • Receive 60-62mA
  • Standby 0.9mA  
  • Deep sleep 10uA
  • Standby 0.9mA 

Mechanical:

  • 72 x 25 x 7.9 mm (with USB plug)
  • 55.5 x 25 x 7.9 mm (PCB only)
  • Operating temperature: -40 to 85 degrees Celsius
  • All module pins broken out (female pinheader)
  • Integrated TR switch, balun, LNA, power amplifier and matching network Integrated PLLs, regulators, DCXO and power management units
  • Internal WiFi antenna
  • U.FL WiFi antenna connector
  • 4x WS2812 RGB LED

Warranty:

  • Standard 1-year manufacturers’ warranty.

Certification

Enterprise grade means CE and FCC as a minimum. Network certification is a given for long-lifecycle IoT solutions to ensure stable connectivity. 

  •  CE
  •  FCC
  • All our partners
  • A special thanks to the ledunia team!
  • Everyone who helped us with our campaign
  • Last but not least, our supporters and backers


Any trademarks or trade names mentioned are the property of their respective owners. 

Facebook: www.facebook.com/leduniastick/
Twitter: https://twitter.com/ledunia_stick
Homepage: www.ledunia-kickstarter.com

Risks and challenges

Manufacturing:
The prototype boards work well and conform to the specifications and reference designs of the components used. We have secured quotations for production and are confident that we can produce the boards and other rewards at the right price.

When manufacturing, there are always concerns around the production and logistic time frame. However, we have the experience to minimize any controllable hiccups and deal with uncontrollable circumstances.

We have identified world class German manufacturing facilities which have the ability to produce quality products for a reasonable price while meeting all manufacturing requirements.

Certification:
Computerized devices with radio interfaces, such as ledunia, require product testing and regulatory approvals. Several competent companies which perform testing for certification have been identified and we are working to negotiate a satisfactory contract.

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Support

  1. Select this reward

    Pledge €1 or more About US$ 2

    FOUNDING FAMILY: you are awesome!

    Thank you for helping us.
    The more we raise, the more we can accomplish.

    We'll add your name on our website.

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    Pledge €12 or more About US$ 15

    LEDUNIA FAN: you love that project!

    Perhaps you just like us very much :-)

    With this pledge you can make a very helpful contribution.

    THANKS !

    We'll send you an autographed surprise and credit you on the web site, of course.

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    Pledge €27 or more About US$ 33

    EARLY BIRD SPECIAL: LEDUNIA SIMPLICITY!

    Be a trend setter and make sure you take advantage of this crazy price!

    You will receive 1 Ledunia module. Everything you need to get up and running.

    We're limiting this batch so we can make sure we can manage our first shipment. So get in quickly.

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    Pledge €29 or more About US$ 35

    LEDUNIA SIMPLICITY

    You will receive 1 Ledunia module.
    Everything you need to get up and running.

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    Pledge €130 or more About US$ 155

    EARLY BIRD: SUPER-COMBO

    Be a trend setter and make sure you take advantage of this crazy price!

    5 Ledunias with special price and early delivery.

    We're limiting this batch so we can make sure we can manage our first shipment. So get in quickly.

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  6. Select this reward

    Pledge €140 or more About US$ 167

    LEDUNIA SUPER-COMBO

    You will receive 5 Ledunia modules.
    Everything you need to get up and running.

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    0 backers

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    Pledge €250 or more About US$ 298

    EARLY BIRD: MEGA-PACK

    Be a trend setter and make sure you take advantage of this crazy price!

    10 Ledunias with special price and early delivery.

    We're limiting this batch so we can make sure we can manage our first shipment. So get in quickly.

    And we'll send you a personalized, autographed surprise.

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  8. Select this reward

    Pledge €270 or more About US$ 322

    LEDUNIA MEGA-PACK

    You will receive 10 Ledunia modules.
    Everything you need to get up and running.

    And we'll send you a personalized autographed surprise.

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    Ships to Anywhere in the world
    0 backers

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  9. Select this reward

    Pledge €500 or more About US$ 596

    EARLY BIRD MEGA SPECIAL: LEDUNIANATOR

    Be a trend setter and make sure you take advantage of this crazy price!

    20 Ledunias with special price and early delivery.

    We're limiting this batch so we can make sure we can manage our first shipment. So get in quickly.

    And we'll send you a personalized, autographed surprise.

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    Ships to Anywhere in the world
    4 backers
    Limited (46 left of 50)

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  10. Select this reward

    Pledge €520 or more About US$ 620

    MEGA: LEDUNIANATOR

    You will receive 20 Ledunia modules
    Everything you need to get up and running.

    And we'll send you a personalized, autographed surprise.

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    Ships to Anywhere in the world
    0 backers
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Funding period

- (30 days)

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