Another day and another project with one of the many Raspberry Pi devices that are laying around my house. One of my younger family members came over to try to get inspired for his college future so we decided to work on a project together. We wanted to explore some cybersecurity topics rather than programming which led us to network security.
We decided to try to obtain the password to my wireless network password using the popular Aircrack-ng software. While it didn’t find my password in the end, it doesn’t mean we weren’t successful.
In this tutorial, we’re going to see how to setup Aircrack-ng on a Raspberry Pi to decipher WiFi passwords for WEP and WPA secured networks.Read More
Over the past month or so, in my free time, I’ve been working towards creating an affordable hardware wallet for various cryptocurrencies such as Bitcoin. Right now many cryptocurrency enthusiasts are using the Ledger Nano S hardware wallet, but those are very expensive and rarely in supply.
I own several Raspberry Pi Zero and thought it would be a perfect opportunity to take what I know about Raspberry Pi and Golang to create a wallet for a fraction of the price as the industry leading wallets.
We’re going to see how to create a hardware wallet, which I’m calling the Open Ledger Micro, using Golang and a Raspberry Pi Zero.Read More
Earlier this month I had written a tutorial for detecting nearby BLE iBeacon devices using a Raspberry Pi Zero W and an application written with Golang. It was a great example of accomplishing something with Go and very little code.
Scanning for BLE devices is a great use case for Internet of Things (IoT) devices like the Raspberry Pi Zero W, and Golang isn’t the only great language around. I, like many others, do a lot of Node.js development as well.
We’re going to see how to scan for BLE iBeacon devices using Node.js and the popular Node.js BLE (Noble) library.Read More
A few weeks ago I thought I’d try to install Node.js on my Raspberry Pi Zero W to use it as a simple API server that I could take with me on the road. I have installed Node.js so many times before, including on a standard Raspberry Pi, that I figured it would be just as easy to do on the Pi Zero.
I was mistaken in regards to the difficulty.
On the Raspberry Pi Zero W, Node.js was nowhere to be found in
apt-get and the scripts that used NodeSource in the official install documentation didn’t work because ARMv6l is no longer supported by NodeSource.
We’re going to see how to install Node.js on a Raspberry Pi Zero W when everything else fails.Read More
As you’re probably well aware from my previous Raspberry Pi articles, I’m a hoarder. I have several Raspberry Pi Zero as well as the wireless edition and various attachments that go with them.
When I was first getting started with the original Pi Zero, I had a tough time trying to figure out how to connect to it. I mean, how do you connect to something that doesn’t have some kind of internet connect?
I had written two articles previously for connecting to a Raspberry Pi Zero. The first titled, Connect to a Raspberry Pi Zero with a USB Cable and SSH, demonstrated how to connect with nothing more than a USB cable. The second titled, Connect to a Raspberry Pi and Pi Zero with a USB to TTL Serial Cable, demonstrated using GPIO pins and a serial cable to connect.
We’re going to simplify the connection process by using a nifty PiUART module and eliminate any complicated wiring or software configurations.Read More
Last year I had worked on an interesting project at my day job, Couchbase, where I scanned for BLE iBeacon devices from a few Raspberry Pi IoT devices and uploaded the information to a remote server for analysis. I wrote about this experiment in an article titled, Collecting iBeacon Data with Couchbase and Raspberry Pi IoT Devices.
My first attempt at scanning and analyzing iBeacon data was done with Java and Node.js. The Raspberry Pi devices were using Java, and the data was being offloaded to a Node.js server. The problem with this is that Java is too heavy for the low spec Internet of Things (IoT) devices.
Fast forward to round two of playing with iBeacon devices and a Raspberry Pi. We’re going to see how to use Golang to scan for BLE signals and parse the data to determine if they are iBeacon.Read More
I’m a big fan, and hoarder, of Raspberry Pi devices. If you’ve seen my previous Raspberry Pi tutorials, you’ll know I like using them for hardware and software projects. These microcomputers use very little energy and have decent processors and memory, making them great for a diverse set of projects.
With blockchain and cryptocurrencies on the rise, Raspberry Pi devices become great for getting familiar with concepts such as wallets, mining, and synchronized nodes.
We’re going to see how to mine Altcoins with a Raspberry Pi and a popular CPU miner.Read More