If you want to engage with your ESP8266 into robotics there is now an almost ready-to-go solution: the NodeMCU Motor Shield. If my research is correct then it was the Doctors of Intelligence & Technology (http://doit.am/) who created it and also are offering some LUA …
I recently discovered the Node Red tool and almost immediately fell in love. I was about to write something like that myself when I found out about it and so far it does everything the way I would expect it: you could call it if-this-than-that …
Since I learned how to create pictures and display them on these wonderful OLED displays I wanted to build something useful with it. Once you know about all the pieces, putting them together is quite easy. The icon, temperature and humidity are updated every 10 minutes …
Do you know these wonderfully cheap SSD1306 based OLED displays with the crispy display? For a while now the NodeMCU Lua firmware for the ESP8266 supports them and has a rich feature set to draw lines, circles and even bitmaps. One way to draw bitmaps …
In this post I will guide you through the jungle of available modules based on the ESP8266. This is not a complete list of available modules but a selection of the ones I could test and review. If you think that I have been missing …
Today finally a new package from China arrived containing an ESP8266-ESP201 bought on aliexpress. I had ordered two pieces and each came in a little plastic bag and stuck in protective foam. The bag also contained a tiny antenna that can be plugged into the connector …
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The ESP8266 chip is really something: cheap and with its Wifi interface capable for Internet-of-Things tasks. You can get boards on Aliexpress for as little as $3, shipping to Europe or US included! OK, so you ordered one, waited (possibly) a few weeks and then …
A while ago a wanted to build one of those nightlights for my daughter that tell her when to sleep and when to call for the parents: an orange light behind a sun depicts the day, a blue light behind a moon the night. My …
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Daniel Eichhorn