This friendly support question liquid level meter with an integrated GSM modem reached me today “I am not sure if this is the appropriate way to ask a technical question or if you have the time to answer this kind of questions atall, but I am desperate so I will just try. I purchased a […]
Tag: M2M tip
GSM / GPS tracking in the shoes?
The whole world is constantly trying to publish the smallest GPS tracking device. This morning a tracking device in the shoe was seen again. Apart from the fact that a shoe is a very inappropriate place for a GPS and GSM antenna, everyone needs more than one pair of shoes. In the bathtub I always […]
How to minimise IP traffic in cellular networks?
The questions related to IP traffic in cellular networks reached me. Q: The other question about data transfer is about how cell phone companies charge for data transmission. If I send a IP/UDP packet, this will obviously be billed to me. But if somebody sends me an IP/UDP packet will it be charged only if […]
MQTT Q&A
Personal MQTT Q&A by Andy Piper Andy contact me with the text as below. Hopefully it will bring some light in the tunnel. “Hi, actually traffic was up by even more than that on day 2 (I’m the site admin), and there was a similar but smaller spike back in August when the Facebook news […]
MQTT M2M protocol supported by Facebook
Facebook supports a M2M protocol MQTT for instant-messaging capabilities The MQTT protocol was developed 10 years ago and is still not well known. MQTT has been developed as a joint project between IBM and an Italian company called Eurotech. MQTT is branded by high bandwidth efficiency and supports a wide range of wireless applications. It […]
M2M device testing for antenna performance
With the endless array of applications and form factors for M2M devices, it’s very common that the device under test really shouldn’t or can’t be tested in the standard way. If you plan a M2M device with external cellular antenna, then you will find a supplier for common antennas easy. If you plan a small […]
How to use a wireless charger in your M2M application?
Wireless chargers for everybody This new ICs are real amazing. With such a charging electronic it is easy to develop a waterproofed device like: Wireless chargers for GSM/GPS Tracking of Alzheimer patients Wireless chargers for GSM/GPS Tracking of motor bikes Wireless chargers GSM/GPS Tracking for yachtsmen or skiers or just to pass ATEX approvals The […]
Python in M2M
Programming language Python Comparing Python with C++ Python code is typically 3-5 times shorter than equivalent Java code. However it is often 5-10 times shorter than equivalent C++ code. One Python programmer can finish in two months what two C++ programmers can’t complete in a year. Python shines as a glue language, used to combine […]
Do you recommend requesting delivery receipt of SMS for M2M applications?
Yes and no. It really depends on the application. A delivery of a SMS is 6 -10 seconds, up to hours and maybe never. In case of emergency SMS can be a risk. Worst case the GSM network is busy. A good example are public events like soccer games or outdoor music festivals in urban […]
Licence free C compiliers to generate code for 6LoWPAN modules
Primary support will be given for Crossworks on ARM http://www.rowley.co.uk/arm/index.htm . Rowloy offers several 30 day licences, which can be extended. You will not buy a pig in a poke. USD 1500 Commercial License USD 300 Educational License USD 150 Personal License USD 150,- for a personal licence is not too expensive. The alternative are […]