trolCommander file manager

trolCommander file manager

trolCommander - fork of the free and opensource (GPL) filemanager muCommander. It is cross-platform file manager with a dual-pane interface and tabbed navigation and rich functionality. The application runs on any operating system with Java support (Mac OS X, Windows, Linux, *BSD, Solaris). It supports multiple virtual systems - FTP/SFTP, SMB, NFS, HTTP, Amazon S3, Hadoop HDFS, Bonjour and can browse, create and uncompress ZIP, RAR, 7z, TAR, GZip, BZip2, ISO/NRG, AR/Deb and LST archives. Also trolCommander can wirk with Android devices filesystems.

trolCommander requires Java Runtime 8 (or highter).

Last version: 0.9.9

RGB565 color picker for LCD

RGB565 color picker

Many of the AVR/STM/Arduino compatible TFT displays available can display up to 64K colors . These screens using the RGB565 (16-bit color) specification instead of what you're used to, RGB888 (24-bit color). The RGB565 color bitmask is rrrrrggg:gggbbbbb: red - 5 bit (0-31) in MSB, green - 6 bit (0-63), blue - 5 bit (0-31) in LSB. For RGB888 <-> RGB565 color conversion, you can use this online color picker.

AVR builder utility

Atmel Studio and avr builder

Atmel Studio is available only for Windows users. Alternatively, you can use any liked text editor with some utility to build the project. Atmel Studio uses the make utility to build the project and generate makefile file for this. In general, the makefile can be written by hand, but it seems to me very uncomfortable and unwieldy. I also tried to use other build systems (cmake, scons etc.) but the results I also didn’t like. I wanted to have a very simple, user-friendly and flexible tool for building projects. As a basis I took the Python language, because it is easy to use, not only for writing the build system, but also as a convenient language for describing the configuration of the project.

Adapter to connect a PS/2 mouse to a serial port

 ps/2 to serial

If you still have an old computer, the problem is to connect to it modern mouse may be familiar to you. Old mechanical mouse, sooner or later come into disrepair - cable wear, buttons do not work, etc. In general, modern laser mouse is usually much nicer than the devices of the last century

Because the serial mouses are no longer produced, then the for PC without a PS/2 port is still two options: adapt the PS/2 or USB mouse. With PS/2 mouse everything is much easier - this protocol can be implemented in almost any microcontroller, such as ATMega8.

The adapter is built on ATMega8 microcontroller and uses MAX232 to match the TTL signal levels with a serial port levels. The microcontroller receives data from the PS/2 mouse and transmits them via the UART.

trolCommander v0.9.8

trolCommander 0.9.8

Released a new version of trolCommander (0.9.8). It included many improvements to the text viewer and editor, working with archives, MacOS X utilities, and so on.

trolCommander v0.9.7

trolCommander 0.9.7

Recently, released a new version of the trolCommander file manager - 0.9.7.
Briefly about the main improvements in it ...

Tape player and recorder for Sinclair ZX Spectrum on Atmega128

Магнитофон для zx spectrum на atmega

ZX Spectrum - a computer designed over 30 years ago with a 3.5 MHz processor and only 48 KB of RAM. For him, it developed a huge number of software and games. Moreover, new game releases are constantly in our days.

Previously, the program is loaded from the tape. And the loading is not always succeeds, sometimes the game had to try several times to load often getting message "R Tape loading error".

Alternatively audiotapes today suggests a memory card that stores the program files in the formats TAP, WAV and TZX. And as an alternative to tape recorder - microcontroller device that can play and store these files.

trolCommander 0.9.6

trolCommander file manager

New version of trolCommander released - 0.9.6.

Now trolCommander required for Java Runtime 8 and above.

Main features:

  • Implemented compact and short view mode (see View->Mode in main menu)
  • Support getting local file owner/group on unix-based systems, added owner/group values to file preference dialog
  • Quality file icons on Mac OS X
  • New search feature in shortcuts prefs
  • Batch file rename - regexp support
  • Executable files highlight
  • FindFile dialog: output list with colorised files and file icons
  • FindFile dialog: new hotkeys for search results - F5 (copy), F6 (move), F8 (delete) selected files
  • Performance optimisation and reduced memory consumption

Mac OS X CPU Temperature monitor

Mac OS CPU thermometer
A small Mac OS X application that shows the current CPU temperature in the system tray.

The best free file manager for Mac OS and not only


When you use your Mac, file browsing options are important. The default file browser for Mac OS is Finder. However, many Mac users find it to be lacking in a few essential features like dual window mode. Fortunately, there are many alternatives - paid and free. Among the free file managers can be noted Moroshka, Midnight commander and muCommander.


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