Let's Cook! Recipe Companion for iPhone and iPad available in the AppStore

Hello everyone, as some of you might have already recognised I was working on a cooking companion app for the last couple of months. Finally Let’s Cook! is available on the Apple AppStore. More detailed information about the app can be found on the companion webpage available at Currently I’m working on integrating some BLE kitchen gadgets into the app. So stay tuned for more detailed information about premium integration features and some GitHub projects where you will find the code to deal with those devices properly.

Raspberry Pi 3 and the 7" Touchscreen Display delivered today

Hello everyone I ordered the new Raspberry PI 3 and the 7” Touchscreen display almost 1 ½ weeks ago but they were just delivered. The display looks really nice and the mounting at the back looks promising as well so that I can integrate it into an upcoming furniture maker project. Well I cannot say too much at the moment but it will include an IKEA EKERÖ and some oak wood.

SiLabs Blue Gecko BGM111-A Development Kit arrived

Hello everyone it is already a couple of weeks ago when I received my FoC (free of charge) development kit sample but now it’s time to unbox and start a few tests with it. In this post I will just show the content of it and run the preinstalled firmware and read the temperature value of the on board Si7021 Temperature/Humidity sensor. After opening the package you will find a card pointing to the following links where you can download the necessary software:

BTstack LE Arduino Shield

Hello everyone it is quite a bit time ago when the BTstack LE Arduino Shield was developed and finally available at Seeedstudio’s Bazaar for sale using the following link: In this blogpost I will quickly demonstrate how the BTstack LE Shield can be used with an Arduino/Genuino Zero to act as an iBeacon Scanner. As usual working with additional Arduino Libraries is very easy. Just follow the description provided by BlueKitchen at the following link: http://bluekitchen-gmbh.

BLE-Shield v3.0.0 available for sale now!

Hello everyone the BLE-Shield v3.0.0 is now available for sale in Seeedstudio’s Bazaar. Please follow this link to navigate to it’s product page. Thank you very much Michael

New Development Kit arrived: DKBT Bluetooth Smart Ready Development Kit

Hi Bluetooth developers today I received the brandnew DKBT Bluetooth Smart Ready Development Kit including the following parts: DKBT Development Kit main board BT121 Bluetooth Smart Ready carrier board Micro USB cable 1.5V AAA battery Printed Quickstart guide and EULA Of course the moment the kit was in my mailbox was exciting enough, but after I flipped over the first page of the quickstart guide, I saw illustrations of BLExplr, my BLE explorer app which is available in the Apple App Store, describing the use of the Bluetooth Smart demo with iOS.

Safecast uses BLEBee in bGeigeNano

Hello BLEBee users, after I’m in contact with the guys at Safecast for quite a long time now I want to share some photos on how they are using the BLEBee with their bGeigeNano to read data from the bGeigeNano directly to an iPhone (You can see the BLEBee in the video) The final design of the BLEBee v1.0.0 especially the size was inspired by feedback of Rob Oudendijk and Pieter Franken.

BTstack LE Arduino Shield available at Seeedstudio’s Bazaar

Hello Makers! A while ago Matthias Ringwald @mringwal (co-founder of BlueKitchen GmbH) and I were discussing a BTstack port for AVR-based embedded systems such as the Arduino. As an outcome, we co-designed the BTstack LE Arduino Shield which is now available for sale at Seeedstudio’s Bazaar. The BTstack LE Arduino Shield is supported on the following boards – with at least 64 kB Flash (tested with IDE v1.6.4): Arduino Mega 2560 R3 Arduino Mega 2560 Arduino Mega 1280 Sparkfun Mega 3.

BLEBee v2.0.0 is now available for sale!

Hello everyone the BLEBee is now available for sale in Seeedstudio’s Bazaar. Please follow this link to navigate to it’s product page BLEBee v2.0.0 Thank you very much Michael

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: 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 see how it goes. Just removed the old uC, added the extension board and copied the board files into the hardware folder as described in the product description page at hobbytronics.