Hardware

21
May
8x32 WS2812B LED matrix scrolling NEPAMesh messages in green

I Built a Glowing Sign That Scrolls the Mesh (Because I Had the Parts and a Free Saturday)

Boredom, spare parts, and the NEPAMesh MQTT broker. The result scrolls every mesh message across 256 WS2812B LEDs in real time. 3D printed case, open source firmware, full build guide on GitHub.
6 min read
20
May
Solar-powered Meshtastic node installed on a rooftop, running indefinitely off a small panel and battery

The Solar Node Build: Permanent, Off-Grid, and Surprisingly Boring to Maintain

Last January, a WisBlock-based node on our network went dark for about two weeks. Not because it failed, because two
10 min read
17
May
Meshtastic node being assembled in a weatherproof enclosure for outdoor deployment

Putting a Node Outside: Enclosures, Weatherproofing, and Not Destroying Your Hardware

So you built an antenna. Now you need to put it somewhere useful, which means outside, which means the elements
15 min read
16
May
NanoVNA pocket-sized vector network analyzer

Testing Your Antenna with a NanoVNA: What the Numbers Mean and What to Do About Them

How to calibrate a NanoVNA, connect your 915 MHz antenna, and read what the SWR graph is telling you. Covers homebrew and purchased antennas, what good looks like, and what to do when it isn't.
5 min read
15
May
NanoVNA handheld vector network analyzer, the essential RF test tool for Meshtastic antenna builders

RF Test Equipment for the Meshtastic Builder: What's Worth It and What to Do With It

NanoVNA, SA6 spectrum analyzer, TinySA Ultra, RTL-SDR, and a dummy load. What each instrument is for, what to watch out for, and how to use them on a Meshtastic build. Contributed by Storm017.
5 min read
12
May
Meshtastic node based on the FakeTec board with OLED display, one of many hardware options for joining the mesh

Meshtastic Hardware Buyer's Guide: What to Buy, What to Skip, and Why It Depends

The question gets asked in the Discord at least twice a week: "What board should I get?" The
11 min read
05
May
NEPAMesh logo

Build a Better Antenna for Less than $10 and an Afternoon

The rubber duck antenna that shipped with your Meshtastic node is not your friend. I know. It looks official. It
13 min read