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Dani Eichhorn
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ESP8266/Arduino: MAX7219 8x8 Led Matrix Library
Twice a year the company I work for ( Netcetera ) organizes a retreat for programmers, usually in the mountains. In the Spring issue this year we went to a resort in a beautiful mountain region. Inspired by the wonderful landscape I managed to write a libra...
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RTL-SDR: Quick Guide to Software Defined Radio on Mac OS X Yosemite
Today another little package from China waited in my inbox: a DVB-T+FM Tuner. So far not that exciting. Except that this package for $10.99 is capable of receiving a huge spectrum of 24-1766MHz thanks to the powerful tuner inside. The keyword for making thi...
Today another little package from China waited in my inbox: a DVB-T+FM Tuner. So far not that exciting. Except that this package for $10.99 is capable of receiving a huge spectrum of 24-1766MHz thanks to the powerful tuner in...
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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 Aliexpress  and yesterday it arrived after more than a month. Quality The PCB seems to be well done. The s...
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 Aliexpress and yesterday it arrived after more than a month. Quality The ...
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ESP8266: How to get started - What hardware you'll need
In this post I want to show you what hardware you'll need in order to get started with the ESP8266. In the post I assume that you have no hardware yet at all. I also assume, that you're mostly interested in programming the ESP8266 directly, rather than usin...
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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 boar...
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...
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Good reverse !  did you have androis code ?
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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 these dedica...
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Have him in circles
112 people
Oliver Lazoroski's profile photo
Momchilo Milic's profile photo
Thomas Bütikofer's profile photo
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RTL-SDR: Tracking airplanes for $11
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) for $10.99 with free ...
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ESP8266 module comparison: ESP-01, ESP-05, ESP-12, ESP-201, Test Board and NodeMCU
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 out on one important modu...
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 m...
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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 th...
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 ante...
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Oled 128x64 SSD1306 display & Arduino - How to get started
Today I received one of those super cheap Oled displays which I bought on Banggood and it was hard to find one single source of help for this tiny display. Maybe this post will help you when you receive yours The module To be sure that we are talking about ...
Today I received one of those super cheap Oled displays which I bought on Banggood and it was hard to find one single source of help for this tiny display. Maybe this post will help you when you receive yours The module To ...
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ESP8266: using Docker to setup the build tool chain the easy way
When you get started with wonderful world of the ESP8266 your first step might have been to play around with the AT command firmware. Then you might have chosen one of the pre-built multi purpose firmwares, such as the NodeMCU or the NodeLua image. Then, th...
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ESP8266, Update Over-The-Air: NodeLua, a Spark.io like ESP8266 firmware
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 ...
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, wa...
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