Hello everyone, since the BLE-Shield v2.0.0 availability on http://www.seeedstudio.com is imminent, I described how to update the BLE-Shield v2.0.0 firmware to act as an iBeacon and back to the original BLE-Shield v2.0.0 firmware. The update procedure has been added to the BLE-Shield v2.0.0 description: http://www.mkroll.mobi/?page_id=1124 Please let me know if you encounter any issues by writing […]
Running a Java ME8 MIDlet on a STM32f4Discovery board…. I tried it…
Hello everyone, after I read an older Java Magazin Article about Oracle targeting the IoT world with it’s JavaME 8 platform I tried to install and run it on the STM32f4 discovery board. After downloading about 1GB of tools and installing it on a Windows7 machine, I finally flashed the discovery board with the VM. […]
iBeacon and Estimote Beacon ranging with BLExplr v1.5.2+
Hello everyone, some people asked me how to use the ranging feature of BLExplr to range for beacons. So I decided to write a blog post describing how to achieve that. Please make sure that you have installed the latest version 1.5.2 of BLExplr installed. You can get it from this AppStore link for your […]
BLE11x Evaluation Board OTA add-on module finished
Hello everyone, you might remember my post about my first OTA experiences with the BLE11x and SDK 1.2.1 Build91. I was using the bulky prototype hand soldered module as illustrated below. A few days ago I received the PCB I designed for my DKBLE11x OTA AddOn Module which is only about one square inch in […]
Bluegiga BLE11x OTA experiences
Hello everyone, since Bluegiga added the possibility to upgrade the BLE11x modules firmware over the air (OTA) in v1.2 of their SDK I spend some time to test this features on the BLE112 and BLE113 Eval boards successfully. In order to prepare the setup I ordered some of the necessary SPI Flash Chips from Digikey […]
Is only Apple allowed to build hardware iBeacons?
Hello everyone, after some people raised an interesting and I think important question concerning iBeacons as comment on my blogpost http://www.mkroll.mobi/?p=1120, I decided to write a post regarding those questions only. Feel free to comment on this post or start a discussion in the forum at http://forum.mkroll.mobi/viewforum.php?f=17 where I opened an iBeacon related area. So back to the […]
eInk Connector Shield
Hello everyone, a few weeks ago I found a 2.7 Inch e-Paper Display provided by Embedded Artists: http://www.embeddedartists.com/products/displays/lcd_27_epaper.php. It supports Arduino and is cheap EUR29 compared to other solutions in that size available in the web. When I hook i up to an Arduino UNO R3 it looks like this, which is described in their document […]
BLEBee and SODAQ: The perfect fit!
Hello everyone, this weekend I received a SODAQ beta board for some testing with the BLEBee and just grabbed some parts from my electronic boxes to create a “Plant Moisture Sensor”. The part list for this little project is: 1 SODAQ Moja Board 1 BLEBee (http://www.seeedstudio.com/depot/blebee-v100-p-1632.html) 1 Groove Moisture Sensor (http://www.seeedstudio.com/depot/grove-moisture-sensor-p-955.html) 1 Groove Cable (http://www.seeedstudio.com/depot/grove-universal-4-pin-20cm-unbuckled-cable-5-pcs-pack-p-749.html) […]
Videos are now on Vimeo
Hello everyone, today I moved my videos to Vimeo, since my Youtube videos were no longer available after I “deleted” my Google Plus account. I was somehow nagged all the time when I logged into Gmail and popups came up asking me to open a G+ account. The buttons were Yes, Yes maybe, and a […]
Blog photos back again
Hello everyone, the photos in blog posts and pages are all back now (hopefully). If you find that something is missing somewhere, please let me know and I will add those back if I have backups somewhere. Thanks, Michael.
The BLE-Shield v2.0.0 is available for sale now!
The BLEBee is available for sale now!
Make a donation to support BLE Hardware Development:
