Changing The Current Users Password At the command line type: passwd Do not type "sudo pi" as this will change the password for root not the current user! Changing Username There's no simple way to do this, the best option is often to create a new user and then copy everything over.
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RPi3 Model B CAD & Mounting Info
The Raspberry Pi 3 has and identical form factor to the previous RPi 2, RPi1 Model B+ Official CAD 3rd Party CAD https://grabcad.com/library/raspberry-pi-3-reference-design-model-b-rpi-raspberrypi-raspberry-pi-1
raspidmx pngview
Loads a png image file and display it as a Dispmanx layer. Installing raspidmx raspidmx is a library created by AndrewFromMelbourne that leaverages some of the capabilities of the Dispmanx API. Its a great starting point for anyone wishing to learn the Dispmanx API which is very poorly documented. See the library homepage at https://github.com/AndrewFromMelbourne/raspidmx Copy the entire folder onto the pi, […]
Handling termination of your application
Your application should include handlers for receiving SIGINT or SIGTERM if it needs to release memory, release resources etc should something like killall be used on it for instance.
.DispmanX API General
There is an API for the Raspberry Pi called DispmanX that allows you to add layers that are displayed over other layers. It seems the API isn't documented but as far as we know everything on the Raspberry Pi display is a DispmanX layer. So this means you can use it to do things like overlay images on […]
Minimising power consumption
Disabling the HDMI port Make sure you can get SSH access once this is done first so you have the ability to turn it back on again should you need to!!! sudo nano /etc/rc.local Add this: # Disable the HDMI port (to save power) /usr/bin/tvservice -o This will disable the port once the RPi has booted (its still active […]
RPi3 Model B Hardware General Specifications
Official Raspberry Pi Page https://www.raspberrypi.org/products/raspberry-pi-3-model-b/ Key Differences To The Raspberry Pi 2 1.2GHz 64-bit quad-core ARMv8 CPU (BCM2837) Built in 802.11n Wireless LAN Built in Bluetooth 4.1 and Bluetooth Low Energy (BLE) Software difference issues we’ve encountered: UART for Pre RPi3 is “/dev/ttyAMA0”. On the RPi 3 this is assigned to bluetooth and the UART is now “/dev/ttyS0”. Shared Specifications To The […]
RPi Zero IO Pins
The RPi Zero has the same pinout as the RPi1 Model A+, B+, and 2B
RPi Zero CAD & Mounting Info
Official CAD https://www.raspberrypi.org/documentation/hardware/raspberrypi/mechanical/README.md
Breakpoints
Delete all breakpoints Menu > Window > Debugging > Breakpoints Then right-click in the Breakpoints window and select Disable All or "Delete All".