Er is weer een nieuwe afkorting bij om te kennen als het gaat om de apparaten die je thuis (en op andere plekken) aan het netwerk kunt /hebt hangen, denk aan de WiFi-router thuis, een camera die je via internet kunt bedienen, je mediabox die aan de TV hangt etc. De media noemt ze overigens vaak “IoT devices” (Internet of Things […]
Hardware
822 posts
Als het in het onderwijs in Nederland over “programmeren” gaat worden eenvoudige vragen al heel snel ingewikkeld. Dus een vraag als “Welke programmeertalen zouden onze leerlingen/studenten moeten kennen?” (bron) is niet helemaal zonder risico. Immers, je moet dan gaan nadenken over het doel dat je daarmee hebt. Wil je ze leren programmeren? Of juist coderen? Of software ontwikkelen? Ik ga niet […]
I still wasn’t out of “what if…” scenario’s for the devices I had been playing with in relation to The Things Network / LoRaWAN. Because, although I had used the WiFi (and of course LoRA) capabilities of the LoPy a lot, I had not yet played with its BLE (Bluetooth Low Energy) capabilities. For that I needed something else that could […]
What happens if you take a LoRaWAN node with you in a train while you travel across the Netherlands for about 2,5 hours? I did not know and wanted to find out today because I had to be in Zwolle for a meeting. So I charged a big external battery (with 2 USB ports), drilled a couple of holes in a […]
One of the challenges left with regards to the LoPy was to find a way to actually connect sensors to the node. I had little luck with the DHT11 temperature/moisture sensor (one of the drawbacks of MicroPython over regular Arduino code is the lack of libraries) and didn’t have any I2C sensors lying around. But I did of course still had […]
Laat ik beginnen met de breed gedragen constatering dat het werken met paper circuits toch nog best heel wat moeilijker is dan dat je zou denken als je de filmpjes die online staan ziet. Wat dat betreft is het ook maar goed dat ik 5 rollen van 30 meter besteld heb, want er zal nog wel wat tape “verbruikt” worden. Maar…de […]
If there is a thing that is dislike most, than it is giving up on a technical problem before it is solved. So, although this weekend a late cold finally managed to make me sleep more than usual, I did manage to spend some time with The Things Network, the LoPy Nano Gateway and the Marvin Node. So, one thing that […]
If your are used to learning stuff without there being a clear manual available, without a teacher that gives you a step by step breakdown of what to do, like when you like to experiment and play with electronics or ict, then you know how frustrating the process of trial and error can be to get something to work. And how […]
My apologies to my regular Dutch readers, given the nature of the topic I am going to do this post in English also. I promise to return to the regular Dutch posts. When I wrote about connecting the Marvin board to the LoRaWAN network in the previous post, my conclusion was: wow, great, KPN truly does offer easy access to LoRaWAN […]
I will do this post in English because the number of potential readers will increase, and because I do have some additional questions that are more likely to be answered this way. So, last weekend I played around with my Pycom LoPy boards. A while back they announced that it would finally be possible to setup a LoRaWAN Nano Gateway with […]