GPIO pins VDDIO Voltage range 1.8V to 3.3V Diodes to VDDIO ADC GPIO pins have diode to VDDIO, but other GPIO pins do not.
All posts by
Creating a Visual Studio Code project
Create a new project As you follow these steps for the first time after install, Visual Studio may prompt you to do various setup things – when it does just click the default option it is asking you. Click top left “Explorer” button > Open Folder Create a folder somewhere you want to store your […]
Raspberry Pi Pico
See here
.Setting up Visual Studio Code
Unfortunately the setup for programming it in C using a Windows PC is pretty horrible. Assuming this hasn’t been solved by the time you read this, there’s a horrible set of steps you’re expected to jump through. If you want to program in Windows that’s just the way it is. There’s lots of guides online […]
chmod
Get permissions state of file or folder The 3 values are shown in this order: Owner, group and others Altering permissions Set all permissions Add an individual permission (Example adds read and write permission for owner, group or others) Remove an individual permission (Example removes write permission for owner, group or others)
Reset Network Interface
After Changes to the network interface configuration, you have to restart the network interface using this (assuming the interface is called “eth0”). Alternative if you get error message (“ifdown: unknown interface wlan0”) for wlan0 WiFi interface reset doesn’t work? We’ve found using Raspberry Pi OS Buster the above commands no longer cause the WiFi interace […]
Execute commands at boot time
Add commands to this file:
File manager as root user
Menu > Preferences > Main Menu Editor, Accessories, New Item Name: Root File Manager Command: sudo pcmanfm Comment: Open the file manager as root user Add the item and you will then have the new item appear in the start menu accessories folder.
Using . or ->
. for when its a simple member of a class class -> for when its a class passed as a pointer
Class Copy
Copy Constructor in C++ Class Copy Constructor Using the copy constructor