ESP8266 Weather Station on the “Big Screen”

0.96" based on SSD1306 and 1.3" based on SH1106 running the Plane Spotter The 0.96" OLED displays I usually use for the WeatherStation are gorgeous but they could be bigger, right? Recently a bigger version of the SSD1306 based display became available on my favourite channels. Thanks to great work of the community (especially Fabrice Weinberg) the OLED library on Github  as been extended to support those 1.3" displays based on [...]

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ESP8266 Peripherals: 5$ RCW-0001 Ultrasonic Range Sensor

RCW-0001
There are many applications for distance measuring: in robotic as a cheap way to sense the environment and detect obstacles, in IoT applications to measure fill levels of [...]

Kids Watch Review

The Kids GPS Watch
Usually you read about electronic components and how to use them on this blog. Often they are related to Internet-Of-Things (IoT). This post on the other hand is about an end [...]

ESP8266: Turn a $9 Body Scale into a Smart Scale – Part 1

Splash Screen of the SmartScale
In this project I will show you how you can build yourself a fancy Withings-like body scale. I divided the article into two parts: Part 1 describes the hardware hack and Part [...]

ESP8266 based Plane Spotter – How To

#ESP8266 Plane Spotter
When I sit at my living room table I can see wonderful big airplanes in the final approach to Zurich (ZRH) airport or ascending to a far destination: Airbus A380 or Boeing [...]

New Weather Station Demo on Github

New Weather Station Demo based on Platformio
I have been working on a new demo of the Weather Station which is built as a platformio project. It has a few features which are not in the library demo: Wifi Signal [...]

ESP8266-Hack – Piggybacking OLED display on WeMos D1 Mini

128x64 OLED display directly soldered on a WeMos D1 Mini
Inspired by Mike Rankin's (@mikerankin) beautiful crossovers between an ESP8266 ESP-01 and an 0.96 Inch OLED I2C display I decided to try if there wasn't an easy hack to [...]

ESP8266: SSD1306 Oled Library Release

WeatherStationStencilFont
The "ESP8266 OLED SSD1306" is an open source library which allows you to control those pretty OLED modules from our beloved ESP8266 module. Fabrice Weinberg cleaned up all [...]

ESP8266: Continuous Delivery Pipeline – Push To Production

Continuous Delivery on ESP8266
The integration of the ESP8266 framework into the Arduino IDE brought ease of use for development. This was further improved when firmwares could be pushed over the local [...]

ESP8266 Peripherals: Indoor Positioning with IR Camera

DF Robot IR Camera Sensor
The sensor I'm going to talk about here is a very powerful one. And you actually might have a very similar one in your home somewhere. The DF Robot Positioning IR Camera uses [...]

Daddy Day Science #2: Heated Air Expands

Experiment Preparation - Pot with cold water, bottle, balloon and manual
Thursday - Daddy Day - Science Day! In the second experiment I wanted to show my daughter that air expands when it gets warmer. My favourite "science" book offered a good 5 [...]