Writing good clean portable quality ANSI C code

Testing Python projects with commands like make -j4

1 minute read

Published: April 23, 2020

How to use Bluetooth Xbee Module on ardusimple ublox F9 UART1 with UBX message support instead of UART2

less than 1 minute read

Published: January 02, 2020

Normally the SimpleRTK2B board’s XBee mount point only supports UART2 which doesn’t support UBX messages, below video shows how to map UART1 to UART2 and thus using UART1 on the XBee port:

How to connect the Ardusimple ublox F9 board to u-center in Windows 7

less than 1 minute read

Published: January 02, 2020

Thanks to our friend Geoff from Australia for sharing this tip of using the Ardusimple SimplRTK2B board with U-Blox U-Center program on Windows 7 PC (normally it works only with Windows 10). The trick is the power the board first via the ‘power+xbee’ usb port then connect to the main ‘power+gps’ usb port and disconnect the first one - this is shown in below video:

Android NDK Get IMSI from C code

less than 1 minute read

Published: June 26, 2013

Although not really “native”, but works well by parsing a command line call instead - credit goes to “Alex P.” for the answer in http://stackoverflow.com/questions/14813875/how-to-get-imsi-number-in-android-using-command-line - thanks for the command.