Squix: The Exciting Next Step!

In the last few years blog.squix.org has grown from a personal idea dumping ground to a well visited page around maker projects. Two years ago I started looking for a way to make it easier for you to rebuild my projects. The first step was to provide links …

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ESPaper: Configuration web interface

In the following video I explain the new web interface for configuring the ESPaper WeatherStation application. This allows you to change WiFi or location settings without reprogramming the ESPaper   The ESPaper Plus Kit is available from the Squix Shop  

Fun Projects: DIY Oscilloscope

If you are looking for a fun project for your next weekend then the DSO150 Oscilloscope from JYE Tech might be the right thing for you. It is a kit which requires basic soldering skills, 1-2 hours of work and some concentration.

First Steps with the LinkIt 7697

The LinkIt 7697 is a development board equipped with the MT7697 from MediaTek and at first glance it looks a bit like a twin of the ESP32. It comes with Bluetooth Low Energy, has a WiFi module and plenty of RAM (compared to the ESP8266) …

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Finally: Support Forum

It was about time that I would offer you a better way to ask me questions than post comments and a contact form on the About page. Thanks to the nude of one reader I finally picked a forum software and set it up. 

IoTCon in Munich: Impressions from Day 2

In my last post I shared my impressions from the first day of the Internet-of-Things conference in Munich. Here is the write-up of day 2 which covers a low-cost smart home, Docker for Internet-of-Things running on ARM (Raspberry Pi’s), introduction to Web Bluetooth and a comparison …

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IoTCon in Munich: Impressions from Day 1

Munich is always worth a trip and you can get there from Zurich easily by train or coach. This time my employer Netcetera let me visit the Internet-of-Things conference to scout what is going on in the IoT field in Germany (and elsewhere). Here are …

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ESP8266 Programming Basics

In this post we will have a look at the building blocks of an Arduino sketch. This will help you to build your own sketch quickly. The post covers the serial console, digitalRead and digitalWrite, interrupts, analogRead and finally WiFi, http and https.

ESP8266 PlaneSpotter Color

After many hours of work I’m very happy to finally publish all the sources for the ESP8266 PlaneSpotter project. It is not yet really in a V1.0.0 state but I’m sure with the help of the community it will quickly get better. While this post is …

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ESP8266 Weather Station on the “Big Screen”

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 …

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Kids Watch Review

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 user product. But you could also call it an IoT component. It is about …

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ESP8266: SSD1306 Oled Library Release

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 the ugly pieces of code which I initially wrote caused by my near C/C++ illiteracy. He also added support for …

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Laser Cutted Case for the WeatherStation

@WaldyWiz designed a wonderful case for the ESP8266 WeatherStation which you can lasercut yourself. Thank you for sharing!Got inspired? Order the development kit here: https://blog.squix.org/product/weatherstation-kit-w-white-oled for US $24.50 Resources https://wizbrewery.wordpress.com/2016/02/21/iot-laser-cut-case/ https://github.com/wizbrewery/iot-laser-cut-case    

ESP8266 Arduino IDE Alternative: Platformio

The Arduino IDE is a good choice for a beginner to get into the world of small embedded devices. Feedback that I got from Weather Station Users indicates that the ESP8266 attracts many hobbyists to the IoT field that before had little experience with programming …

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ESP8266 Products Hitting the Market

Today I discovered a new ESP8266 based product on Banggood which looks quite interesting: the SONOFF (maybe short for switch on/off?) from ITead Studio  which is a WiFi controllable switch in a nice and safe case for between USD $4.85 – 9. Not bad! Obviously I …

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3D Printed WeatherStation Case

Dennis van Elteren sent me this wonderful WeatherStation case project. If you want to print this yourself you can download the .stl files from here: https://www.dropbox.com/sh/a6692237ysiwj7m/AAARxjrN0PK5s8WQT_SeEBeIa?dl=0  Thank you Dennis for sharing!

Weather Station in an Old Nokia Phone

Today I got a wonderful email from Jens Lochmüller from Germany which shows that necessity is truly the mother of invention. He wanted to build a case for the Weather Station with a picture frame but since he didn’t have an unused one at home …

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ESP8266 Weather Station: World Clock Demo

Just in time for the beginning of the new year I added a demo for the WeatherStation which displays various world times together with a pretty icon. Just update the WeatherStation library in your Arduino IDE to the latest version or download it manually from …

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ESP8266 WeatherStation with a Magic Mirror

Just had a little time to test my latest idea. I took an IKEA picture frame, mirrored car tint and the Weather station, put everything together and it works! It only took about 30 minutes… Next time I’ll have to be more careful with the …

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ESP32 unboxing!

Santa came early this year! Espressif has sent me one of the early test boards of the new kid in IoT town, the ESP32. Compared to the ESP8266 which kind of dominated the hacker space in the last 12 months the ESP32 is very powerful! …

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ESP8266 OLED display library release

Recently I released a new version of the esp8266-oled-ssd1306 library. This library allows you to control these wonderful little displays from a ESP8266 with little effort. When I first wrote the library for the WeatherStation I had the problem that 128×64 pixels never seemed enough space …

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WeatherStation Code published & New Shop available

Several ESP8266 hackers contacted me to finally publish the new WeatherStation code. Here it is: https://github.com/squix78/esp8266-weather-station It is not yet working as smoothly as I want it to work but maybe some of you can help me getting rid of the nasty issues that were …

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ESP8266 Weather Station Preview Video

The Weather Station code comes with a clock, current conditions such as temperature, humidity, pressure and precipitation, as well as a  3 day weather forecast. Get a glimpse here: Want to get one yourself? Order one in the shop!

ESP8266: NodeMCU Motor Shield Review

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 …

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WeatherStation Kit – Complete Setup Guide Ready

While the first WeatherStation Kits are just about to reach their eager recipients I was working hard to create a complete and hopefully beginner friendly setup guide for it. Stay tuned for more chapters and more experiments and projects you can do with this starter …

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Choosing the right Electronics Shop

In the last couple of months I could collect some experience in where to buy the electronic components I use in my projects. Since in most cases I don’t care so much about several weeks of delivery time I usually order from one of several …

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WeatherStation Kit ready for your order

Great news! My supplier in China has finally sourced all the components that come with the WeatherStation Kit and I’m ready to take your orders. For a limited time it will cost only USD $19.95 and shipping is available for more than 70 countries. The …

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ESP8266: DIY Wifi Kitchen Scale

This week I finally received all the necessary pieces to build a internet connected kitchen scale. The ingredients are: a load cell (Wikipedia), a high resolution ADC (HX711) and of course a ESP8266 based NodeMCU V1.0 module. For the moment I’m not logging the data …

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Register now: The WeatherStation Kit is coming!

I’m very happy to announce that I could find a supplier who will ship all the parts that you need to get started with the WeatherStation. No more worries to find the right components. The WeatherStation Kit will contain: the new improved NodeMCU V1.0 with …

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ESP8266: NodeMCU Dev Kit V1.0 Review

This post is due for a while now but I had so much fun actually using the NodeMCU that I totally forgot (or postponed) to write a review about it. So, let’s get started: The new NodeMCU V1.0 Dev Kit module Image Source: https://github.com/nodemcu/nodemcu-devkit-v1.0 The first …

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ESP8266: Weather Station V2 Code published

This is a total make over of the earlier weather station. Instead of building my code on the NodeMCU lua firmware I decided to switch to the Arduino IDE based development setup. The reason for this was the constant problems with heap memory running out …

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ESP8266: NodeMCU Custom Build

My colleague Marcel recently developed a web based tool that lets you choose the modules which will be compiled into the NodeMCU build. This saves you the trouble to setup your own build server with tool chain and can save you a lot of space …

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ESP8266: Flight-O-Matic

Preview for my augmented reality project: A RaspberryPi with SDR-RTL dongle picks up signals from airplanes in my relative neighbourhood. When an airplane becomes visible from by living room window it sends detailed flight information to 6 modules of 8×8 Led Matrix elements such as …

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RTL-SDR: Tracking airplanes for $16

In my last post I showed you how you can run a software defined radio easily on a Mac OS X Yosemite. In just a few more steps you can also track commercial airplanes in your area with the same device you can buy here (affiliate link) …

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ESP8266: NodeMCU Dev Kit Review

Introduction I was very excited when the very same group that developed the NodeMcu Lua firmware announced their ESP8266 Dev board. I ordered one from Banggood and yesterday it arrived after more than a month. Quality The PCB seems to be well done. The silk screen …

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ESP8266: ESP-201 breakout board review

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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ESP8266: Test board review

Recently a test board for the ESP8266 ESP-12 arrived. I ordered it on AliExpress and took several weeks to arrive. Since the description was really bad I had to reverse engineers the functions and pins: Pin layout of the test board As you can see the board …

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ESP8266: a good power supply is essential

While playing with the ESP8266-ESP01 board I had a lot of problems with random reboots. I had used the 3.3V power supply of my Seeeduino and apparently it could deliver enough power and forced the board to reboot. After a while I ordered one of …

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ESP8266: trying out frankenstein firmware

I just gotten into the mood of trying out firmwares for the ESP8266. There is one that behaves similar to a busybox command line tool. Download the binary from here, flash it to the ESP8266 and connect to it over the serial channel: https://github.com/nekromant/esp8266-frankenstein So far …

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Live reload with appengine-maven-plugin

Google’s appengine-maven-plugin is cool. Especially for deploying your app to the cloud. But for developing it can be cumbersome, since the hot deploy mechanism is not very stable and you often have to restart the devserver. Since I wanted to get more into the whole …

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Converting keystores

JKS to P12 keytool -importkeystore -srckeystore keystore.jks -srcstoretype JKS -deststoretype PKCS12 -destkeystore keystore.p12 P12to JKS keytool -importkeystore -srckeystore keystore.p12 -srcstoretype PKCS12 -deststoretype JKS -destkeystore keystore.jks

New tricks; revamped user interface

August 1st is the national holiday in Switzerland. Having a longer weekend also lets me work more on Feederator. In the last few days Feederator learned some cool new tricks, which I’d like to share with you Public Change Log For the users and my …

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Feederator, Kindle and PDF

I’m using Feederator myself to send interesting posts to my Kindle to read it later. To do this you can simple drill into the detail view of a post. There you’ll find a social bookmarking widget, labled with “share”. In the popup select “more” and …

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Plenty of new tricks for Feederator

This weekend Feederator learned a lot of new tricks. In my opinion the coolest new thing is that Feederator adds a lot of additional data to each post. You get a website preview in the list with the feed items. In case of movie feeds …

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Capture web page screenshots headless

For a while now I have been using the Amazon cloud to render web page previews for posts in Feederator. This solution is running in Amazons new free “beginner” quota. For a low load this works quite well, but it never worked to create a …

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How to delete index on App Engine for Java

At the time of this writing there is no function to delete (unused) your datastore indexes directly with the Java tool set. But there is a way around: the python SDK has a function called vacuum_indexes. This is how your can do it, step by …

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New Features: Searching the archive

I’m trying to improve Feederator.org. Sometimes changes are rather invisible to the end user. Sometimes new features extend the use of feederator rather dramatically. I enabled such a feature today: searching the archives with full text key words. To keep your inbox clean Feederator moves …

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New Feature: Copy items to another feed

Since feederator is only a free time project, it takes time to implement all the features that I want feederator to have. I’m stealing here a bit of time, there using a gap between coming home from work and dinner. The guys over at lifehacker …

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New Layout

More and more, the current layout seemed not to be as convenient as we first thought. The layout looked like it was designed with a mobile device in mind, than running nicely on a desktop. But since it is our long term plan to bring …

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A word about Feederator…

Did you ever want to control which items of a (RSS) feed should be used by your consumer and which should be ignored? Feederator helps you to organize your feeds, filter specific items or even mix two feeds together to a new one. If not …

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Feederator Beta out!

We’ve been working on Feederator a while now. It is a great feeling, now that it is finally out for users to try it. But be warned: Feederator is improving constantly. We’re adding features and fixing bugs on a daily basis. If you want to …

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