Blog

Getting started to Bluetooth Mesh with Nordic Semiconductor SDK

embeddedguy

I have worked quite a lot with BLE. But it was until last week that I did not get any exposure to Bluetooth mesh network. Till now I just managed to flash mesh sample to Nordic Semiconductor development kits and test the basic ON/OFF switch and light...
- 8 Apr 2026
MSi chips based hardware

anneranch

I am trying to identify "most reliable HARDWARE" based on MSi chips. ( clone brand name would be OK ) I am NOT asking about software.... I am NOT concerned about PCB format - USB dongle or real PCB. I would prefer single a...
- 2 Jul 2024
Pre-GPS: Hyperbolic Radio Navigation Systems and the Decca Navigator

shabaz

Table of Contents Introduction Longitude and Time-keeping Hyperbolic Radio Navigation Pulses: Gee System (QH) Phase: Decca Navigation (QM) Decca Yacht Navigator Teardown Summary Further Reading Introduction While working on a GPS project &n...
- 10 Jun 2024
Researchers Develop Innovative Signal Curving Technology for Future 6G Networks

Catwell

Curving terahertz signals could become the future of 6G data transfer. (Image Credit: the Mittleman Group) Future 6G networks may rely on photon curving, rather than a line of sight between the receiver and transmitter, to transmit signals. Rice Uni...
- 4 Jun 2024
First-Ever 60 Ghz Mmwave Developed for Ultra=Fast Data Transfer

Catwell

The first-ever 60 GHz DMA could be used for future 6G network communications. (Image Credit: University of Glasgow) Now that 5G is being deployed worldwide, efforts have shifted toward creating the next-gen communication tech. University of Glasgow ...
- 26 Apr 2024
Software Defined Radio: Experimenting with the MSI-SDR M1

shabaz

Table of Contents Introduction Is the Device any Good? Background System Overview Building the Software on Windows Driver A First Test Summary Introduction The MSI-SDR M1 is a very low-cost Software Defined Radio (SDR) that appears to be an open ...
- 17 Jan 2024
NASA Transmits a Laser Beam From 10 million Miles

Catwell

The DOSC flight laser transceiver aboard the Psyche spacecraft beamed a laser message from 10 million miles, reaching Earth in 50 seconds. (Image CreditL NASA/JPL-Caltech) On November 14th, NASA transmitted data to Earth via a laser from ten million...
- 1 Dec 2023
Flaky Home WiFi. Ditch ISP equipment? 2.5 vs 5 GHz?

ntewinkel

Hi all, I'm hoping someone will have some insights or experience with home WiFi that might give me some direction. TL;DR, aka Cliff Notes, aka Summary: My network is flaky. I need to reboot it every few days. My ISP upgraded all of my hardware a mon...
- 27 Oct 2023
Working with SV Microwave Solderless Compression Connectors for RF PCBs: Part 2

shabaz

Introduction This blog post is about RF SMA connectors that, as the title suggests, are not soldered onto circuit boards; they are screw-fit! I wish I had known about these connectors when I built up a component analyzer testbed (photo further below...
- 7 Mar 2023
Working with SV Microwave Solderless Compression Connectors for RF PCBs

shabaz

Table of Contents Introduction RF Signal Delivery using Transmission Lines PCB and Layers Selection Transmission Line Calculations PCB Layout Elements Connector Footprint PCB Layout What’s Next? Introduction The interfacing to circuits that...
- 26 Jan 2023
Blues Wireless Notecard - Advanced Configuration - GPIO

ralphjy

I've been playing with Cellular IoT this year. I did a project with the Nordic Thingy:91 back in May - Thingy91 Dog Tracker to use GPS to record walks with my granddog. And even earlier in the year I wrote a post when I started using ...
- 23 Dec 2022
Do I Need a New Router when I Upgrade to Wi-Fi 6?

dychen

Wi-Fi 6 (aka IEEE 802.11ax) is the latest iteration of the Wi-Fi network protocol. It is a significant upgrade over its predecessor 802.11ac (retroactively renamed Wi-Fi 5). This advanced network protocol allows for faster connection speeds with impr...
- 22 Dec 2022
The MAX32666FTHR and My Introduction to Bluetooth

dang74

Introduction Learning about Bluetooth has been on my to do list for quite some time, but up until now I haven't been very good about setting the time aside to pursue this endeavor. Recently I participated in the IO Link quiz and as luck would have it...
- 29 Oct 2022
Getting Medieval with Bluetooth for a Car Diagnostics Interface

shabaz

I was recently given a circuit board for a car diagnostics tool (also perhaps known as a vehicle communication interface or VCI) to repair. It is used to attach to vehicle diagnostic connectors like OBD-II so that a PC can be used to interrogate...
- 23 Sep 2022
RAK Wireless WisBlock Starter Kit

ralphjy

Many wireless transceivers are now available as pluggable modules using high density connectors like the M.2 edge connector or plug and socket board-to-board connectors. This provides to implement custom PCBs where you can quickly add or custom...
- 29 Apr 2022
Blues Wireless Notecard

ralphjy

There seems to have been a lot of activity recently in cellular IoT - webinars and contests, etc. Or maybe I've just started to notice it. There was a webinar on E14 a couple of months ago on the Nordic Thingy:91 which is an amazing fully...
- 18 Apr 2022
A boost in 4G LTE speeds from CBRS

Randy Scasny

Citizens Broadband Radio Service is a new block of 150MHz-wide spectrum in the 3.5GHz band (also known as C-band) primarily used by the federal government for radar systems. The Federal Communications Commission (FCC) assigned a frequency in the 3550...
- 17 Mar 2022
Wi-Fi Security - Upgrading to WPA3

Randy Scasny

WPA3 (Wi-Fi Protected Access®) -Personal provides next-generation security for private Wi-Fi® networks and improves security effectiveness compared to its predecessor WPA2 standard, yet maintains backward compatibility. The third editio...
- 17 Mar 2022
What is Private 5G?

Randy Scasny

A private 5G network comprises a wireless local area network (LAN) based on 5G new radio (NR) technology that uses 5G-enabled technologies to create a network with dedicated bandwidth. The network does not share traffic with other licensed cellular n...
- 17 Mar 2022
Monarch Go – The Fastest Way to Achieve ROI in Cellular IoT

jafoste4

Monarch Go – The Fastest Way to Achieve ROI in Cellular IoT Almost everywhere you look, there’s a great idea for a cellular IoT business case looking for a place to start. The problem is that cellular IoT is not easy and generally requires...
- 4 May 2021
NXP’s New Wi-Fi 6 Products Allow You to Add Wi-Fi 6 to Smart Homes, Connected Cars and Industrial Equipment

rscasny

NXP Semiconductors today announced the availability of a comprehensive Wi-Fi 6 (802.11ax) portfolio, which expands the number of products and markets able to adopt the latest Wi-Fi standards. NXP’s expanded Wi-Fi 6 portfolio represents the company’s ...
- 14 May 2020
ON Semiconductor Introduces Multi-channel Platform with Bluetooth®︎ Low Energy and PoE Capability

rscasny

ON Semiconductor has introduced the Connected Lighting Platform, leveraging the company's expertise in Power over Ethernet (PoE) and ultra-low-power Bluetooth®︎ Low Energy connectivity, along with AC/DC and DC/DC power conversion design. The prot...
- 14 May 2020
Engineers At MIT Develop New Way To Use RFID Tags To Detect Chemicals In The Environment.

CharlesGantt

With almost all modern smartphones featuring RFID readers, RFID tags are becoming more prevalent in our everyday lives, and they can be found on food packaging, anti-theft devices, shipping containers, and everything else in between, but engineers at...
- 19 Aug 2019
How to Pick the Right 4G LTE Technology for Your Business Needs and Applications

dlaegeler

With the shutdown of 2G and 3G networks looming on the horizon, many organizations are faced with the difficult question of “So, what’s next?” The key question to really ask is, “Well, what is the application?” Meaning, what is the current or project...
- 14 Sep 2018
Will 5G enable self-driving vehicles, smart cities, and more?

yoSoyTono

Right on the edge of an interconnectedness world, where the life of millions of people around the globe changes daily because of the advances in technology, the evolution of mobile communications will revolutionize our world and benefit entire econom...
- 21 Mar 2018