Blog

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
SNIFFING AND DECODING NRF24L01+ AND BLUETOOTH LE PACKETS WITH THE RTL-SDR

jkutzsch

http://www.rtl-sdr.com/sniffing-decoding-nrf24l01-bluetooth-le-packets-rtl-sdr/http://blog.cyberexplorer.me/2014/01/sniffing-and-decoding-nrf24l01-and.html https://github.com/omriiluz/NRF24-BTLE-Decoder Omri Iluz wrote in to us to let us know abo...
- 3 Feb 2016
Smart Power Strip to control appliances Anytime Anywhere: Why WiFi?

vipingahlaut

Since we launched Smart Power Strip last week, many of my friends working in wireless domain asked me the benefits and reason behind selection of Wi-Fi standard over zigbee, 2.4GHz and other wireless options for our home automation ...
- 21 Jan 2016
2016 Year in Preview: The Future of Wireless Communications

spannerspencer

Wireless CommunicationsContinuing yesterday's glance forward into the future of FPGA, today I'd like to hear your thoughts on what's coming next for wireless communications.Now, as you guys know, this is a pretty broad subject, but I'm not really loo...
- 29 Dec 2015
RFBee Troubleshooting

Former Member

Hi, I have recently been trying to get started on a wireless project using two RFBees I bought years ago... And now I understand why I gave up the first time. All of the information on how to do anything, including uploading t...
- 12 May 2015
WPC 15-W & multi-device charging

sleuz

Würth Elektronik eiSos brings you the latest:Wireless Power Consortium (WPC) expands standardThe WPC announced the addition of the 15-W and "multi-device charging" options to the Qi standard. Draft versions of the specs were released to its...
- 23 Apr 2015
How Fast is McDonalds Wi-Fi?

GardenState

McDonalds got to where it is (36,000 local restaurants serving 69 million people in more than 100 countries) by meeting its customer definition of value and by ensuring that there is not a long wait between the time you order and the time you bite in...
- 10 Mar 2015