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

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 2 the software. In this project I used a cheap scale I bought in the local super market for 9 Swiss Francs (which is currently about USD $9.-) and I am optimistic that other digital scales will work for you as well. This project was a lot of fun since I had to do reverse-engineering, soldering, programming and (optiona.....

ESP8266: Meet Thirsdee, the Intelligent Plant Helper!

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 measure the water consumption of your dear plants. If you combine the previous mentioned components with a OLED display you can even visualize the current water level in the plant pot. And if the level reaches a critical low yo.....