Single Chip Computer
Learn how to create a single chip computer running BASIC.
3V to 400V regulated inverter for Geiger counters
A robust regulated high voltage supply, an inverter (boost converter / step-up) 3V to 400V for portable applications.
Android Open Source Audio player using MediaCodec API
An open source android library project implementing a versatile audio player that supports the most used audio formats Mp3, AAC, Vorbis, WMA and more.
Google Tango Hackathon in Timisoara
Some impressions on the Google Tango Hackathon held in Timisoara in April 2014. See one of the Winner projects, the Camera 3D and some insight on the new device from Google.
Electric Fence Circuit for perimeter protection
Two battery operated, portable, electric fence designs using 555 and 556 timers.
Infused™ project
Infused™ is about passion for design, music, digital, programming and alternative culture in Timisoara, Romania. Structured as a set of interviews with people involved in the act of creation regardless…
Small size High-Voltage regulated inverter
Build a battery operated, compact high voltage inverter for Nixie tubes, neon bulbs or Geiger counters.
Discussing security in online on TV News show
As an IT specialist, I've been invited to a TV Show where I had the chance to discuss a few details on Internet and computer usage safety best Practices, a…
555 Timer revisited
An article on the well known 555 timer and a few rather unknown applications.
Complex Android GridView with Drag and Drop functionality
A tutorial on how to add Drag and Drop functionality to a gridview control.
Simple Gridview Control for Android
Build a custom gridview control for Android, programmatically.
DIY Geiger Dosimeter with external tubes SBM-20 and SI-29BG
An open source digital portable radiation dosimeter, with external connector for attaching various geiger tubes.
Tube: SI-29BG (CИ-29БГ) Sensitive Small Geiger Muller
The SI-29BG comes with a good size / sensitivity ratio. These tubes are suitable for detecting beta and gamma radiation.
CCD Radiation detectors
Mobile devices with embedded cameras can be used to detect x-rays.
Software security in Shareware
Applications released as unlockable trial versions are vulnerable. Learn how to protect your work by embedding bulletproof security techniques.
Custom Rotary Knob Control for Android
A custom control for Android that can be used to adjust the volume and to toggle between on/off state at the same time.
The MQ-9B Combustible gas sensor
A quick test with the combustible gas sensor, MQ-9B and an atmega8 microcontroller.
Using a Rain sensor with AVR Microcontrollers
A simple rain sensor connected to an ATMega8, provides readings on the level of water detected on its surface.
Tube: SI-12B (CИ-12Б) Mini Pancake Geiger Muller
The SI12B is a mica window compact Geiger tube, designed for measurement of alpha and soft beta-radiation.
Tube: SBM-20 (СБМ-20) Geiger tube
Medium size sensitive Geiger tube for hard beta and gamma radiation.
Enhance saturation in images programatically
Increasing the saturation in an image is equivalent to increasing the "amount of color", while a completely desaturated image would be a grayscale image. See the images below: Normal Saturated…
UT50 NaI Scintillation probe
I met some great people today, and I also got a wonderful device for my ongoing experiments as a gift: The UT50 Scintillation probe, manufactured by SC ICPM SA Romania.…
AVR SDCard FAT support with FatFS
You've probably seen or done lots of cool microcontroller projects already, but did you ever consider adding permanent data storage to your projects? I did, and there are numerous advantages:…
Using FS1000A/XY-FST RF Radio module with AVRs
Wireless data transfer can be useful for a variety of projects. I stumbled upon a very low cost emitter+receiver modules pair, and planned to use it for some time now.…
Blackberry 10 Command line development
Build, compile, sign and deploy applications for the Blackberry Z10, using only the command line tools.
SSH to the Blackberry Z10 (BB10) Guide
A step by step guide on how to generate RSA keys and then use them to establish a SSH connection to a remote Blackberry Z10 device.
Global radiation monitoring network
EDIT: there is a dedicated blog on this project, here. Make sure to follow it for latest news. A few days ago I announced my intention of creating my first…
First Kickstarter project is closing in!
Preparing for my first Kickstarter project . Let's make it happen!
Tube: VA-Z431 Geiger tube
VA-Z431 test tube shaped geiger muller tube for liquids.
Cartoon yourself using Leptonica
Showing how to create a cartoon effect using the image processing library Leptonica