Finished projects involving a microcontroller. Hardware, soldering, housing, assembly, power supply and software (most probably MicroPython or C++ if I am feeling too happy in life) and of course the problems I ran into.
TLDR: An IoT sensor for temperature and humidity sending its values to a local MQTT server. Measuring interval and thresholding easy to configure. So much to write about a pretty small device and less than 100 lines of code including configuration, prints and comments. Hope you enjoy it! 🙂 I really like building and writing…
TLDR: Measures temp&hum in a configurable interval and with variable thresholds. Publishes to a mqtt server. Neopixels react to json data at a mqtt topic it is configured to subscibe. Single thread async implementation. Robust wifi and mqtt routines. Code at my github: https://github.com/worksonmymachine-de/iot_temptumsensor_ambilight This device is placed behind my main monitor and reads temperature…
It measures the temperature, humidity and open status of a window and send the values to the local MQTT broker if the values have changed (enough). The D1 got a nice housing on a solderable breadboard. The sensor cables can be plugged and unplugged into sockets on the breadboard. So I can easily exchange the…
As a software engineer I often write code that runs (hopefully) fine in the background, does its job and you probably never see it again. That dragged me to buy a unicorn hat for my first Raspberry Pico, as I’d like to see some fancy output of my spare time project. After some time of…