Posted inElectronics Hardware Single Chip Computer Posted by By Radu Motisan October 17, 2014 Learn how to create a single chip computer running BASIC.
Posted inElectronics Hardware High Voltage Nuclear 3V to 400V regulated inverter for Geiger counters Posted by By Radu Motisan July 18, 2014 A robust regulated high voltage supply, an inverter (boost converter / step-up) 3V to 400V for portable applications.
Posted inAndroid Software Android Open Source Audio player using MediaCodec API Posted by By Radu Motisan June 1, 2014 An open source android library project implementing a versatile audio player that supports the most used audio formats Mp3, AAC, Vorbis, WMA and more.
Posted inAndroid Hardware Research Reviews Robotics Software Google Tango Hackathon in Timisoara Posted by By Radu Motisan May 3, 2014 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.
Posted inElectronics Hardware High Voltage Electric Fence Circuit for perimeter protection Posted by By Radu Motisan April 15, 2014 Two battery operated, portable, electric fence designs using 555 and 556 timers.
Posted inAndroid Software Infused™ project Posted by By Radu Motisan March 28, 2014 Infused™ is about passion for design, music, digital, programming and alternative culture in Timisoara, Romania.…
Posted inElectronics Hardware High Voltage Small size High-Voltage regulated inverter Posted by By Radu Motisan March 16, 2014 Build a battery operated, compact high voltage inverter for Nixie tubes, neon bulbs or Geiger counters.
Posted inSecurity Software Discussing security in online on TV News show Posted by By Radu Motisan February 8, 2014 As an IT specialist, I've been invited to a TV Show where I had the…
Posted inElectronics Hardware High Voltage 555 Timer revisited Posted by By Radu Motisan December 6, 2013 An article on the well known 555 timer and a few rather unknown applications.
Posted inAndroid Software Complex Android GridView with Drag and Drop functionality Posted by By Radu Motisan November 25, 2013 A tutorial on how to add Drag and Drop functionality to a gridview control.
Posted inAndroid Software Simple Gridview Control for Android Posted by By Radu Motisan November 24, 2013 Build a custom gridview control for Android, programmatically.
Posted inElectronics Hardware Nuclear DIY Geiger Dosimeter with external tubes SBM-20 and SI-29BG Posted by By Radu Motisan November 22, 2013 An open source digital portable radiation dosimeter, with external connector for attaching various geiger tubes.
Posted inElectronics Hardware Nuclear Tubes Tube: SI-29BG (CИ-29БГ) Sensitive Small Geiger Muller Posted by By Radu Motisan November 22, 2013 The SI-29BG comes with a good size / sensitivity ratio. These tubes are suitable for detecting beta and gamma radiation.
Posted inElectronics Hardware Nuclear CCD Radiation detectors Posted by By Radu Motisan November 13, 2013 Mobile devices with embedded cameras can be used to detect x-rays.
Posted inResearch Security Software Software security in Shareware Posted by By Radu Motisan November 6, 2013 Applications released as unlockable trial versions are vulnerable. Learn how to protect your work by embedding bulletproof security techniques.
Posted inAndroid Software Custom Rotary Knob Control for Android Posted by By Radu Motisan November 5, 2013 A custom control for Android that can be used to adjust the volume and to toggle between on/off state at the same time.
Posted inElectronics Hardware The MQ-9B Combustible gas sensor Posted by By Radu Motisan October 30, 2013 A quick test with the combustible gas sensor, MQ-9B and an atmega8 microcontroller.
Posted inElectronics Hardware Using a Rain sensor with AVR Microcontrollers Posted by By Radu Motisan October 30, 2013 A simple rain sensor connected to an ATMega8, provides readings on the level of water detected on its surface.
Posted inHardware Tubes Tube: SI-12B (CИ-12Б) Mini Pancake Geiger Muller Posted by By Radu Motisan October 19, 2013 The SI12B is a mica window compact Geiger tube, designed for measurement of alpha and soft beta-radiation.
Posted inHardware Tubes Tube: SBM-20 (СБМ-20) Geiger tube Posted by By Radu Motisan October 19, 2013 Medium size sensitive Geiger tube for hard beta and gamma radiation.
Posted inImage processing Software Implement Photoshop-like Curves with Leptonica Posted by By Meda September 5, 2013 If you've used Leptonica, you probably know it's a great library, but when you want…
Posted inImage processing Software Enhance saturation in images programatically Posted by By Radu Motisan August 9, 2013 Increasing the saturation in an image is equivalent to increasing the "amount of color", while…
Posted inElectronics Hardware High Voltage Nuclear UT50 NaI Scintillation probe Posted by By Radu Motisan August 7, 2013 I met some great people today, and I also got a wonderful device for my…
Posted inElectronics Hardware AVR SDCard FAT support with FatFS Posted by By Radu Motisan August 2, 2013 You've probably seen or done lots of cool microcontroller projects already, but did you ever…
Posted inElectronics Hardware Using FS1000A/XY-FST RF Radio module with AVRs Posted by By Radu Motisan July 31, 2013 Wireless data transfer can be useful for a variety of projects. I stumbled upon a…
Posted inBlackBerry Software Blackberry 10 Command line development Posted by By Radu Motisan July 16, 2013 Build, compile, sign and deploy applications for the Blackberry Z10, using only the command line tools.
Posted inBlackBerry Software SSH to the Blackberry Z10 (BB10) Guide Posted by By Radu Motisan July 16, 2013 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.
Posted inElectronics Hardware Nuclear Software Global radiation monitoring network Posted by By Radu Motisan July 11, 2013 EDIT: there is a dedicated blog on this project, here. Make sure to follow it…
Posted inElectronics Hardware Nuclear First Kickstarter project is closing in! Posted by By Radu Motisan July 8, 2013 Preparing for my first Kickstarter project . Let's make it happen!
Posted inImage processing Software Leptonica saturation deficit workaround Posted by By Meda June 28, 2013 While working with Leptonica I had the unpleasant surprise to notice that the saturation function…