Using a USB Drive for a swap file on a RaspberryPi Zero 2
Here are all the commands required condensed into a single script (thanks Copilot): This is for a 1GB swap file (double the ram on the pi). However, you can increase…
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Reset USB Devices on RaspberryPi Ubuntu
Hey everyone, I ran into a small issue today on my RaspberryPi. Occasionally, when restarting scripts that utilised usb devices (lidar, arduino) the usb connections…
Read postAutomatically Shutdown a RaspberryPi when the Network is not Reachable
Hi everyone, I’ve had a bit of an issue recently with my RaspberryPi disconnecting when I’m flooding the network with camera images. Unfortunately I’m using a dodgy…
Read postWheel Going in the Wrong Direction - RVIZ2 and FoxGlove
Hi everyone, I hope you’re having a good break! I’m currently following this tutorial and messing around with a diffdrive robot. After making a few changes I noticed…
Read postRaspberryPi Camera not detected - Ubuntu 20.04.5 LTS
Hi everyone, I ran into a bit of an issue with a RaspberryPi 4 running Ubuntu 20.04.5 this morning. Running should have returned but instead I was getting . This was…
Read postA4988 Stepper motor RaspberryPi
We’re using a 42shd0034-20B Geetech stepping motor taken from a 3d printer: We’ll be driving it with an A4988 stepper motor controller. You can pick up five packs of…
Read postChange i2c address of ina219
Hi everyone, I wanted to use ina219 with pca9685 but they shared the same i2c address 0x4: 0. Luckily, there’s a fairly easy fix for this. All we need to do is solder…
Read postUpdate Wireless Info on Raspberry Pi
Hi everyone, Just a quick post on how to configure wireless info on a raspberry pi. To start with, open the config file: You can then add any number of connections to…
Read postUsing INA219 (GY-219) with the Raspberry Pi
Hi everyone, I’ve just setup an INA219B Voltage/Current sensor on my RaspberryPi. Just thought I’d link the tutorials and libraries I used – there’s a lot of really…
Read postMini-360 DC-DC Buck Converter - Incorrect Voltage 10v Instead of 5v
Hi everyone, I’ve been playing around with a few DC-DC buck converters similar to these ones:…
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