I am currently working on a neat project (Raspberry Pi CNC Board) where I have to program a bunch of Arduinos for each of the boards I am making. At first I did it with the Arduino IDE one board at a time but that was very tedious and required me to sometime change the … Read More →
I have used Python on and off over the last year or so and keep getting surprised how versatile the programming language is. From the start I have accepted that it’s a scripting language and always used a normal text editor with the hope of someday being able to develop in a proper Integrated Development … Read More →
I recently started moving from Arduino/Atmel 8-Bit processors to NXP/ARM 32-bit processors. It’s been a huge learning curve but it opens lots of doors for bigger and better projects. The first set of Micro Controllers I targeted was NXP’s LPC11U14 and LPC4337. These processors run much faster the Arduino’s and they work great for multi-tasked … Read More →
If you have ever tried to use sprintf() on an Arduino to convert from a float to a string, you will notice it doesn’t work.
|
1 2 3 |
sprintf(buf,"%f", floatvar); |
The above function will most likely return a “?” to your char buffer. If you google around, you’ll see various functions that people have written to overcome this, but all of … Read More →
Cellular made easy – Add GSM/3G support to your Arduino/Raspberry Pi/BeagleBone projects Chris Higgins at SparqEE has come up with a simple development board[CELLv1.0] that can give your projects cellular capabilities. So what can you actually do with it? Well,I can think of lots of things: Add an off-grid internet connection to your home automation system. … Read More →
I found a nice tutorial that shows how to make extrusions with OpenSCAD. Step by step guide with OpenSCAD and extruding shapes.
I’m sure I’m not the only person getting frustrated with sharing files between a Raspberry Pi and a Windows 7 system. There seems to be an issue where Windows 7 enables encryption or something that stops Windows from connecting to the Samba shared folder. Having Windows 7 Home Premium also doesn’t help, it does not include all … Read More →
I have used Sketchup to make models for my 3D printer for a while. Sketchup is a very capable tool but it does have its limitations. Rounding edges and creating natural shapes are some of them. Keeping with free software I decided to looking into Blender. Blender is a very powerful 3d modeling tool but has a … Read More →
BASH scripts are small files containing lines of commands. These little scripts are very useful. The following are a few examples … BASH scripts can contain any command you can run from a shell. This makes it very,very powerful. You can use it to set up/configuring your Raspberry Pi (…or any Linux-based system for that … Read More →
PHP can be used to create dynamic XML files that get data from your MySql database. Things to consider with the code below: There should be no spaces or open lines before “ All values between ‘[]’ brackets need to be replaced by your own settings. The three header lines will make sure your browser … Read More →
