Android app listing
Cube Timer
The application records the time for completion of Rubik 3x3x3, 4x4x4 etc.
  • Scramble Generator
  • The best time and average time are calculated.
My Bowling scoreboard
  • Record bowling score or pin location in database
  • Retrieve score or pin location from a database
  • Show statistic of the score, strike, pin location
  • Export history to CSV file
Archery Score Keeper
Say goodbye to paper-based target score sheets!
  • Simple user interface for recording scores by just touch number pad on the screen to mark your arrows.
  • Marking your arrows by taking a photo and attach to end
  • Number of arrows not limited.
  • The app supports both 6 arrow ends and 3 arrow ends.
  • Monthly statistics
Secure Delete
The application is to delete private files forever. It is suitable for users who are going to sell their Android phones.
  • Secure delete private photos.

Electronic toolbox
This app is a collection of basic electronic calculators. It is suitable for hobbyist, electronic engineers or professionals.

It provides you many choices of combination of component value in building Rc filter, voltage divider, monostable, astable , etc.

AVR Tutorial
Learn AVR C programming by demo project and code wizard
  • AVR architecture review
  • AVR asm mnemonics & C language
  • 21 demo projects including led, keys, keypad, 16x2 LCM, ADC etc
  • Code wizard for UART, timer, interrupt, ADC and external peripherals including LED, buzzer, key switch, external interrupt, 7-segment display, 8x8 led matrix, 4x4 keypad, 16x2 LCM, real time clock etc
8051 Tutorial
Learn 8051 C programming by demo projects
  • 8051 architecture review
  • 8051 asm mnemonics
  • 8051 C language
  • 12 projects including LED, buzzer, key switch, external interrupt, 7-segment display, 8x8 led matrix, timer (mode 0,1,2)
  • Baud calculator
Free counters!