Blynk, PlatformIO and ESP32
Blynk is an IoT-platform that consists of a Blynk server, custom projects within an iOS/Android mobile app and custom hardware IoT-nodes (Arduinos etc) using a Blynk library. The mobile app…
Category: Electronics
The Sensor433 library and Geeetech transmitters and receivers
As I use 433MHz transmitters for sending sensor data from many of my IoT-nodes, I have made a re-usable Arduino library for this purpose. The transmitted sensor data is picked…
The MicroPython Lego Bot
In the quest for getting my kids interested in coding, I’ve decided to make them a message controlled bot car with Lego bricks and an ESP8266 board. The idea is to…
A sensor monitor with OLED in MicroPython
I have different sensor nodes at home that publish measurements at regular intervals to a Raspberry Pi. The data is stored on the RPi and in a cloud service and can…
Preparing the remote control app for Christmas
Winter is soon to arrive in Sweden and the amount of daylight is decreasing every day. Thus it’s time to set up some extra light sources indoors and outdoors. I…
Radio chirp data incorporated in an MQTT environment
Internet-of-things does not require that every device has to be directly connected to the Internet. The complexity and possible security issues with every sensor having its own IP address would in…
Processing and Arduino
Processing is an open-source IDE with a Java-based programming language that is aimed at lowering the learning threshold for interactive graphics creation. It can be used for teaching programming, making prototypes,…
MicroPython and ESP8266
During the past 6 months I have grown into a big fan of the Python programming language. I have also found a new passion in tinkering with the versatile and…
Thingsmatic 