I have a few docker containers running on my server and some of them have volumes that are bound to a corresponding folder in my home folder. For example, I run the image: chuckcharlie/cups-avahi-airprint:latest using this docker-compose.yaml file: So running this container and setting up a printer creates files in both the services and the…
Replacing the hard drive on the Ubiquiti UniFi Cloud Key Gen2 with a WD Purple
After having the internal HDD in my Cloud Key Gen2 fail on me I looked at upgrade options. There are not many alternatives for NAS / Surveillance drives like the WD purple in the 2.5″ form factor. I don’t know what ultimately killed the drive, the unit is located in the attic of the house…
Extra NIC on the HP thin client T630
This article explains how to install an extra NIC in the T630 M.2 2230 slot usually meant for WiFi cards and then pass it through to a VM in Proxmox. If you want to run pfSense on a T630, it might also be helpful to you since I can confirm this card works 🙂 Hardware…
Bind serial to HC-05
Here is a really quick guide to connect a HC-05 to a computer and send data to a serial port. I wanted to do this with a HM-10 module but only found information that this feature is missing on the module. If someone knows how to do this on a HM-10 I would love to…
Wireguard
I was looking to set up an OpenVPN server at location to be able to access that LAN remotely from any device. Looking at the configuration needed to set up OpenVPN with certificates and everything I figured there must be an easier way of doing this. And indeed there is! It’s called Wireguard and is…
18650 batteries
Introduction The 18650 battery is a Lithium-ion based battery that has high capacity and is rechargeable, usually around 500 cycles. Lithium-ion batteries are commonly used in smart phones and laptops. The 18650 battery is quite a bit larger and heavier than your regular AA batteries. They are also used for vapers and that’s why you’ll find…
HM-10 review
Introduction I have previously written a review on the HC-05 module and for connecting this module physically, that article can be used for instructions. In many ways the HM-10 is a drop in replacement of the HC-05. But there are some areas where they differ and that’s what I will cover in this follow up…
HC-05 review
Introduction Today I will cover the popular HC-05 module. HC-05 is a Bluetooth 2.0 device that you can hook up to your Arduino to enable wireless communication. At the time of writing you can buy them on eBay for around €5. There is also a variant of this module called HC-06. The difference between them…