New hobby? Let’s measure the radioactivity of objects and natural materials. Why, how, and with what?
Measuring ionizing radiation (generally radiation) is relevant today not only for experts but also for enthusiasts or collectors of minerals and antiques. Ionizing radiation is invisible, imperceptible, and that makes it deceptive. However, it has a direct impact on human health and the environment. This article will explain why and how we measure radiation, what interesting aspects to observe during measurement, which dangerous products to watch out for, and what misinformation exists in the media and online.
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SIM908 – AT commands
If you have our development board with SIM908 or something else, you have to know AT commands for GSM/GPRS/GPS module. Repetition again. You have to connect UART from SIM908 module…
SIM908 – development board
I had to create development board with SIM908 – GPS&GSM&GPRS module for diploma thesis. The board is designed as top side. It’s easier than top and bottom sides. On the…
How to secure linux server
I would like to tell you that I’m not prefessional in security, but i would like to show you article about basic security of linux server. Sources for this article…
Samba – Raspberry Pi, Cubieboard, Banana Pi, Linux, Windows, Raspbian, Cubian
I wanted to share storage on my cubieboard through samba. You can use this tutorial for other storage media. For example SD card, HDD, Flash disk or something else. You…
Switching power supply – Step down converter LM2576
I needed power supply (step down converter) for my big project with minimal 2A current and fixed output voltage (3.3V) or adjustable output voltage. I wanted higher efficiency and that’s…
Raspberry Pi – How to control a GPIO from website
Download 2 PHP files and 1 python script If you want to control GPIO through webpage, you have to read this article. I will describe how to control GPIO from…
Programming of MPS430 for Ubuntu (Linux Mint)
You don’t do these steps. The repositories for Linux Mint and Ubuntu contains all packages. You have to install only gcc-msp430 (compilator), msp430-libc (other libraries – legacymsp430.h) and mspdebug (for…