BLE Joystick powered by the BLEbee and some more parts…

Hello everyone, after creating the BLE-Shield and the BLEBee I decided to work a little more on gadgets. In this blogpost I will show you how to create a joystick kind of gadget that is connected to an iPhone running BLExplr over a BLE connection. In order to setup the BLE-Joystick you need the following […]

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The final hardware DropBeacon is available on github

Hello everyone, after I promised it to a few guys, the DropBeacon is now available on github. I added more details to the DropBeacon page on this blog: http://www.mkroll.mobi/?page_id=1693 You can find the Schematic and Board files as well as the BGScript Project to compile the firmware using Bluegiga’s SDK v1.2.2 on github: https://github.com/michaelkroll/DropBeacon Please let me know […]

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The MiKro – An Arduino UNO form factor based board using the ATmega 1284p micro controller

Hello everyone, some people have noticed on twitter that I was trying to compile the optiboot boot loader for the ATmega 1284p for the 5V/16MHz configuration. I finally succeeded and created the MiKro board which is described in a little more detail on it’s dedicated project page: http://www.mkroll.mobi/?page_id=1696 Although the the MiKro is work in progress […]

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“MiKro-Labs”… new brand for my next hardware designs

Hello everyone, a few monhts ago I silently introduced the MiKro-Labs brand to the DKBLE11x OTA Add-On Module since I no longer wanted to print my complete name to the PCBs. In the meantime I created a nice looking logo and a the first hardware designs under the MiKro-Labs brand name. In order to list the […]

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First look on BlueGiga’s new DKBLE Development Kit

Hello BLE developers, today I received the new DKBLE Development Kit today and will give you a quick summary whats included and what I think is really cool in this version. The box is not very interesting, but as you can read on the sticker it is now the “DKBLE Development Kit” without additional module […]

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Finally the DropBeacon v1.0.1 iOS App is approved

Hello iBeacon enthusiasts, after a little struggle with the Apple Review Team, DropBeacon v1.0.1 was approved for the Apple App Store. You might have read the blog post at beekn.net about Apple locking down iBeacon: http://www.beekn.net/2014/05/apple-closed-system-apple-slowly-locking-ibeacon/. The DropBeacon update was affected by this as well. The updated to v1.0.1 has no longer a UUID editor […]

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Hardware DropBeacon v1.0.0 finished.

Hello iBeacon enthusiasts, after some weeks of development, design adjustments, enclosure designs, firmware iterations and battery tests I finished v1.0.0 of my hardware DropBeacon. You might have read about the DropBeacon iOS app acting like a virtual DropBeacon but where is the real one? Here is version 1.0.0 of the DropBeacon:   The DropBeacon uses […]

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CC-Debugger TagConnect (TC2030) Adapter

Hello everyone, some people already asked my how to reflash the firmware of a BLEbee. Well in order to make the BLEbee as small as possible and not wasting a 2×5 header costing $1.50 each, I decided to use the TagConnect 2030 to flash the firmware of the BLEbee. The PCB of the adapter I […]

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DropBeacon – Virtual iBeacon iOS App added to the iOS Apps section

Hello everyone, since my DropBeacon iOS App is now available for sale in the Apple App Store, I added a small product page illustrating the use of the app in a short Vimeo video. Please take a look on the dedicated app page of my blog if you are interested in the app:  http://www.mkroll.mobi/?page_id=1627 Thanks for […]

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LILA – Long Independent Living Assistant

Hello everyone, after ages I published another article in the proceeding of the XII Usability Day in Dornbirn Austria: Kroll M., Schmidt-Weitmann S., Zecchino W., Otto U., Meienberger B., Brockes C. LILA – Long Independent Living Assistant in: Beiträge zum Usability Day XII, Assistenztechnik für betreutes Wohnen 16. Mai 2014 ISBN 978-3-89967-943-4 The article gives […]

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