Robot platform for future development

Over the last weeks, I was building a moving robot platform with OpenBeam aluminum profiles from https://www.chartup.com. The platform should serve as a base for futureĀ development with the Raspberry Pi and OpenCV. Therefore I got a nice OpenBeam kit with different aluminum profile lengths. For the fixture, I’m using the metal brackets from the kit … Read more Robot platform for future development

ESP8266 Ai-Thinker ESP-12 library for Eagle

I started working on a little ESP8266 project again. This time with an ESP-12 module from Ai-Thinker. Therefore I created a new part in Eagle after the specifications from Ai-Thinker (Technical Specifications). My purchased module has a slightly different silkscreen as shown in the document. The module I have has GPIO4 and GPIO5 swapped and … Read more ESP8266 Ai-Thinker ESP-12 library for Eagle

Growing peppers in 2016 with the help of smart bags

So this year I choose to only grow one type of peppers. It’s a jalapeno pepper. More specific it’s called an early jalapeno. After bloom, they should carry green fruits after 60 days and red fruits after 80 days. This year I only grow in the dirt because I had no time for preparing my … Read more Growing peppers in 2016 with the help of smart bags

Getting NodeMCU running on an ESP-01 module in 2016

Introduction I tried to install NodeMCU on an ESP8266 with the help of my article from January 2015 but I had some problems to do so. So I write a new article with a new approach, which works today. Connection For the connection, we need a serial interface. I use an FTDI UM232R module for … Read more Getting NodeMCU running on an ESP-01 module in 2016

Timelapse in Workum (Holland) with the Flow-Mow

For this year’s Holland vacation I bought a little gadget for my camera. It’s called a Flow-Mow and lets you take moving timelapse recordings. The Flow-Mow works like a mechanical kitchen timer. You mount it between your tripod and the camera. Then just wind it up and it starts slowly turning. So while you take … Read more Timelapse in Workum (Holland) with the Flow-Mow