RaspberryPi
Tronixlabs LCD Backpack
23/01/15 21:17 Filed in: Electronics | Devices
For my Raspberry Pi GPS NTP server project I found it useful to have a display available to put up simple status messages for example the IP address and the output of ntpq.
To that end I purchased a Serial I2C backpack for HD44780-compatible LCD modules from Tronixlabs. Although they provide a tutorial for the use of these devices I had greater success with a different Python library. Read More...
To that end I purchased a Serial I2C backpack for HD44780-compatible LCD modules from Tronixlabs. Although they provide a tutorial for the use of these devices I had greater success with a different Python library. Read More...
FSCK instructions for Rasperry Pi
16/09/14 17:00 Filed in: Systems Administation
It is trivially easy to shut your Pi down incorrectly and it still seems that this has not been addressed well in the Raspberian repository. Here is a summary of http://www.raspberrypi.org/forums/viewtopic.php?t=64843 which describes how to fix the dreaded:
problem Read More...
FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
problem Read More...
Tronixlabs DS321 hardware clock config for Rasperberry Pi
02/09/14 11:34 Filed in: Electronics | Devices
For various reasons I need to make a Raspberry Pi into an NTP time server and for this to work I need time to be roughly right when it starts. hence we need to add an RTC to the Raspberry Pi running Raspberian.

Tronixlabs supplies a very nice module (http://tronixlabs.com/raspberry-pi/real-time-clock/ds321-real-time-clock-module-for-raspberry-pi/) but the instructions are a little less than optimal.
Read More...

Tronixlabs supplies a very nice module (http://tronixlabs.com/raspberry-pi/real-time-clock/ds321-real-time-clock-module-for-raspberry-pi/) but the instructions are a little less than optimal.
Read More...