Recent Posts
RNode Firmware Update 1.09
This is an important one! I found a bug on version 1.08 that could cause packets to get dropped on some occasions, if the packet queue was filled in certain way. The problem is only present on version...
LoRa packet sniffing with RNode
In the last post, we looked at creating a 15.75 kilometre SSH link with two RNodes acting as wireless network cards. Today, we’re going to be a bit more passive. Using just a single RNode, we...
IP over LoRa: Using RNode as a wireless NIC
IP over LoRa? Absolutely! A very handy feature of RNode is that you can attach it to your computer, Rasbperry Pi, or similar, as a generic network interface. It’s probably the easiest way to run...
15 kilometre LoRa SSH link with RNode
In the last post, I looked at running APRS over LoRa using two RNodes. APRS is a relatively simple application, where data is mostly flowing from mobile stations, beaconing their position to fixed sta...
APRS over LoRa with RNode
One of the very convenient features of RNode is the ability to use it as a fully integrated TNC and data radio, in one compact device. In it’s KISS-compatible TNC mode, RNode can be used with mo...
A new board joins the family!
Say hello to Unduino1284p! This mini-sized Arduino-compatible MCU board is really compact but still very powerful, and most important of all, super easy to use. Sporting the ATmega1284p processor, it...
Board support in Arduino IDE
It’s now easy to add support for all unsigned.io boards in the Arduino IDE! Just go to preferences in Arduino, and under “Additional Boards Manager URLs”, add the following URL: htt...
Using KISS settings in Xastir
The MicroAPRS firmware for MicroModem supports changing AX.25 settings like preamble length, TX tail and others via the KISS protocol, so the host program can easily set these parameters. Unfortunatel...