The topic on this evening was “Wireless Technologies for IoT – Antennas and Beacons”. http://www.meetup.com/IoTMunich/events/219391820/?_af_eid=219391820&_af=event&a=uc1_te Thanks to all participants. If I am informed right then 75 out of 148 people with interest in IoT stayed and listened on this evening. Thank you for all the interesting meetings during the event. Nevertheless, I already got several […]
Latest version of IoT M2M Cookbook IoT M2M Coobook version 2014-10-06 for download IoT M2M Cookbook Table of Contents In September I have written seven more pages. The latest updates of the book are inspired by my consultancy contracts and questions of the readers of the book. In October the book got ten more pages […]
Bluetooth Low Energy Beacon at a glance Small and light: 30mm diameter, 10mm thickness, 7 grams Long time operation on CR2032: 18 months (30 year shelf life) Long range: 75 Meters with up to 120 Meters at max power Secure: Immune to wireless attacks Weatherproof enclosure with option on custom tooling Support of all major […]
“Does the smart fridge receive the milk carton chip’s message? If it does then how does fridge know what it is? There’s an Internet of Things protocol, of course, that the clever fridge and milk carton are compliant with. The home food shopper’s tablet or smartphone is also compliant with a domestic Internet of Things […]
Cisco spricht von 50.000.000.000 Geräten im Internet der Dinge bis 2020. Wie groß wird Ihr Stück aus dem großen, digitalen Kuchen? Mit welchen Funktechniken erreichen Sie ihr Ziel? Diese Schulung hat den Fokus auf Bluetooth Low Energy und 6LoWPAN. Es wird aufgezeigt, wie jeder ein eigenes, kleines, preiswertes, drahtloses “Ding” bauen kann. Kunden, welche vorab […]
Be aware that a GSM module will charge up to 2 Ampere peak current during 2 Watt TX power Take care that your power supply will be able to drive the current peaks. Have a look on short PCB tracks in right width. And have a very close look on a capacitor with low impedance […]
Is M2M is not hype anymore? Eclipse changed the name and preferred IoT. In parallel it is interesting to follow the dialogs in several forums. Some people really try to split in M2M and IoT. My point of view between the difference of M2M and IoT is as below: M2M In M2M a machine is […]
The translation to English will follow later Das Ziel des Projektes ist ein multifunktionales Kit zur Entwicklung von M2M IoT Applikationen auf Basis von Linux und Android. Im Prinzip ein Rasberry Pi für Erwachsene mit GSM-, HSPA- oder LTE-Modul. Im Gegensatz zum Rasberry Pi kommen nur Industriebauteile zum Einsatz, welche jeder dann in kleinesten Mengen […]
ZigBee has interoperability problems. Two software layers called ZigBee profiles developed by two different companies can create profiles that interfere with different versions of ZigBee profiles. Worst case two devices that have ZigBee chips might not interoperate. And even two of the same chips can’t communicate to each other if the run different profiles like […]