LoRa packet sniffing with RNode

Jul 2, 2018
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...

15 kilometre LoRa SSH link with RNode

Jun 30, 2018
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

Jun 29, 2018
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!

Apr 6, 2018
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

Apr 6, 2018
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

Mar 28, 2018
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...

Stock Update

Dec 31, 2015
Hi everybody! As you might have noticed, MicroModems have been out of stock for a while. There’s been a lot of interest lately, and that has meant that every batch I have made has sold out very ...

The new MicroModem

Dec 19, 2014
Yay! The hardware design for the new MicroModem is now finished, and has become something I feel that I can ship! What a great feeling! There’s been many revisions, many small changes, various e...

Prototype Preview

Dec 1, 2014
New hardware I’ve been hard at work during the last while making a new version of MicroModem. Particularly I wasn’t too fond with the consistency in quality of the Microduinos I used as th...