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Smart Body Scale
OLED Piggyback Hack
IoT Continuous Delivery
PIR Motion Sensor
uBlox GPS Module
KY-040 Rotary Encoder
ESP8266: Wifi data logger already running for more than 2 months on batteries!
30. June 2015
More than 1440 hours or in other words 60 days ago I put 3 AA batteries from IKEA in the battery box of the ESP8266 test board and started a program that
ESP8266: Meet Thirsdee, the Intelligent Plant Helper!
26. June 2015
It's amazing what you can do with just a few components: a load cell, a high gain analog-to-digtal converter and a NodeMCU module. You can for instance
ESP8266: Calibrating the Wifi Scale With Temperature Compensation
21. June 2015
In my last post I talked about my self made scale. There are plenty of applications for a sensor that can sense the weight of things. But I guess the scale
ESP8266: DIY Wifi Kitchen Scale
20. June 2015
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
Register now: The WeatherStation Kit is coming!
17. June 2015
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
ESP8266: NodeMCU Dev Kit V1.0 Review
13. June 2015
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
ESP8266: Weather Station V2 Code published
11. June 2015
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
#ESP8266: Open-Source Designer Advice wanted for the weather station!
11. June 2015
So, all the major technical challenges have been resolved. But now the fine tuning begins. Anyone with a graphical eye in the audience to give advice? How to
#ESP8266: Improving the WeatherStation Display
7. June 2015
These tiny OLED displays are cool, but they are also... well... tiny. To get the most of the screen real estate I started working on a little framework that
#EPS8266: long term data logger update: 31 days!
2. June 2015
My long term logger test is already running more than 31 days or at the time of writing 750 hours! My pessimistic guess was that the device running from 3 AA