RPi

DIY RC-Car Electronics
3 minutes
I inherited a LaTraxx (Traxxas) Prerunner RC Car from a friend as a gift to fix. The car would power on and the receiver would connect, allowing the steering servo to move, however the car would not roll. It had been sitting in their basement for years unused, causing the NiMH battery to be extremely discharged. After charging and discharging it repeatedly, I was able to regain sufficient capacity and it worked fine, however I ended up replacing it altogether later on.
GUI over SSH with X11
2 minutes
SSH is awesome, but your options when trying to run a GUI application are a bit limited, especially on headless computers. Luckily there are a few ways to go about handling this problem, even if your computer has no monitor directly connected to it. SSH into the machine First of all, you need to ssh into your machine to get everything set up. Now you have a couple options. Some people may have a display (be it a full monitor, a TV screen, a touch display, etc) and others may have nothing it all.
Installing OpenCV on RPi in 2024
3 minutes
Introduction Between all the various tutorials online, there is no straight way to installing OpenCV on a RPI… Issue’s I have encountered personally include but are not limited to the following: Building from source issues Various rare errors Garbage tutorials So in this simple guide, I have documented my installation of OpenCV on my Raspberry Pi, Model 3 B+ Other models should be quite similar. Requirements For this project, I used a Raspberry Pi 3 B+ running Ubuntu Server 20.