Pimp my UNO

Hello everyone, a few days ago I came accross this great add-on board for the Arduino UNO with DIP socket ATMega328: http://www.hobbytronics.co.uk/arduino/arduino-uno-pro The Arduino UNO*Pro – Upgrade which transforms your Arduino UNO powered by a ATMega328 into a pro version running an ATMega1284p. Once I read about it on twitter I just ordered two of them to […]

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Work in Progress: MiKro 328 BLuE

Hello everyone well maybe it is time to tell you about the project that still keeps me busy. Of course I’m not a company behind all the developments so it takes a little more time The initial idea was similar to what Punch Through Design finally delivered with their Bean. If you are not familiar […]

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New HDK arrived: Bluegiga DKWF121

Hello everyone well it does not stop. There was another Development Kit delivered to my door last week. The Bluegiga DKWF121 Development Kit for their Wifi WK121 Module. I was thinking a long time to get a first hands-on on this Wifi module since a few peaople already asked my if I can help them […]

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New HDK arrived: Atmel D20 Xplained Pro

Hello everyone I has been a little quiet around here but this was not due to the fact that I’m no longer interested in what I did before, but just the lack of time. I read an article in elektor magazine issue 1/15 bout the ARM board from Atmel. The Atmel SAM D20 Xplained Pro […]

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BLEBee v2.0.0 prototype hardware and firmware finished. Works great !

Hello everyone, I was a little quiet lately. I was not sleeping but working on a few hardware designs and another iOS BLE application. After I created new versions of the BLE-Shield, the BLEBee is the another hardware that needs an update. The BLEBee v2.0.0 is now designed to use the BLE113-256k module which will […]

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BLE-Shield v3.0.0 and BLE-Shield v3.0.0 LR (Long Range)

Hello everyone, Initially I wanted to show the BLE-Shield v3.0.0 and the BLE-Shield v3.0.0 LR (Long Range) at Maker Faire Rome 2014, but they didn’t make it in time for a presentation in rome. Now I was able to solder the BLE113 and BLE121LR module using a simple hot plate successfully. Since both modules are […]

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Presenting new Hardware on Maker Faire Rome 2014

Hello everyone, I’m happy to announce that I will present some new MiKro-Labs branded designs together with BlueKitchen (http://www.bluekitchen-gmbh.com) at Maker Faire Rome 2014. I partnered up with Matthias Ringwald, the author of BTstack (http://www.btstack.org) to create some BLE Shields which are running his Low Energy part of BTstack. I have not dropped support for […]

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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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