Wake RN2483 from Sleep (LoraWAN) using Serial Break and 0x55
I finally found some time again to build some LoraWAN Arduino toys for TheThingsNetwork. Basically it's just a temperature sensor measuring outdoor water temperature and sending it once in a couple of hours via TTN [...]
OMD v1.30 available for Raspberry Pi (ARMv7)
An updated version of Open Monitoring Distribution (OMD) is available at the Bananian site here. They've build it for the ARMv7 (BananaPi, Raspberry Pi 2 & 3, OrangePi). I've written a complete install manual for [...]
Build (TTN) LoRaWan Node
Many people want to build a node to test their own TTN (The Things Network) gateway and build new use cases. It's not that hard to build a node when you know which components to [...]
LoRaWan Gateway – DIY
This post will describe how to build your own LoRaWAN gateway to connect to i.e. The Things Network or other IOT Networks. If you haven't heard about the LORA technology and TheThingsNetwork and you are [...]
RF 433Mhz to MQTT Gateway
I've upgraded my domotica setup with a Philips Hue. Before I switched the lights using a remote control or via Node-Red and using the cheap 433 Mhz wall outlet switches of Elro, Klik Aan/Klik Uit, [...]
Login for Node-Red on TheThingBox
Secure your Node-Red install of TheThingBox with a login dialog to prevent unauthorized access.
The Things Network – LoRaWAN
We are at the start of a worldwide roll-out of a global open crowdsourced Internet of Things data network. If you have any interest in IoT or want to be part of the beginning of [...]
Mohio – Visualize your Cloud
I'm a big fan of Evernote and sometimes I just go through my notes, notebooks and tags to clean things up. Sometimes I then just check Google to see if people have good suggestions related [...]
MQTT Data display using ESP8266 and OLED display
Oled display connected via SPI to NodeMCU Development board containing ESP8266 (type 12) = the silver square and FTDI for easy USB connection. Finally I made some time to play a couple of [...]
Mac OS X – write images to SD Card with high speed
Writing SDCard images using my Macbook took way to long, up to half an hour to write one simple Raspberry Pi image to a SDCard. I just did what many instructions told me to do. [...]
Update OMD 1.00 to 1.21 on Raspberry Pi
Today the new Raspberry Pi 2 model B was announced. ARMv7 CPU with 1 Gb of memory. This made me search for OMD (Open Monitoring Distribution) for ARMv7 (Which can be found here). While searching [...]
Limit SD Card writes on Rasberry Pi using Ramlog
A SD card has a limited amount of writes it can handle. The Raspberry Pi will write to log files a lot and reduce the lifetime of your SD Card. Update 3-2-2016: RamLog seems not [...]