Blog

A Comprehensive Guide to LoRa Modules

vijeth_ds — Tue, 27 May 2025 07:20:08 GMT

1. Introduction: What Is LoRa? LoRa (short for “Long Range”) is a radio modulation technology for wireless LAN networks in non-cellular Low Power Wide Area (LPWA) wireless communication network technologies. The physical (PHY) silic...(read more)

element 14 Looking for Roadtesters to Review STMicroelectronics STWINBX1 Development Kit

Catwell — Mon, 28 Apr 2025 19:23:41 GMT

(Image credit: STMicroelectronics) Are you or a loved one encountering challenges with industrial IoT sensing applications such as condition monitoring and predictive maintenance? Then STMicroelectronics’ STWINBX1 Development Kit could be the...(read more)

Hardware hacking Della Mini Split aircon unit

aspork42 — Tue, 25 Feb 2025 04:54:09 GMT

What I'm up to I recently moved from Wisconsin back to my home state of Michigan. (Yes - I had to partially dismantle the Smart Range Hood; but that's a blog for another day) The new house has a nice large garage that we're upgrading & finishing....(read more)

You Can Upgrade Zigbee Devices and Turn Them into Motion Sensors with a Firmware Update

Catwell — Fri, 14 Feb 2025 03:11:19 GMT

Three or four Zigbee devices grouped within a room act as virtual sensors that detect human movement, turning the lights on/off. (Image Credit: Ivani) Zigbee bulbs and plugs have gotten a whole lot better. With a simple firmware update, these smart ...(read more)

Airmarker’s R.One Balloon is a Handy Device For Outdoor Adventurers

Catwell — Tue, 03 Dec 2024 20:09:24 GMT

Airmarker’s emergency balloon can rise to 45 meters and illuminate bright orange. It allows search and rescue teams to find stranded victims. (Image Credit: Airmarker) I feel like we all should have this in our cars for troublesome events. But...(read more)

Review WIZnet W55RP20-EVB-Pico

maxpowerr — Mon, 02 Dec 2024 17:40:00 GMT

At the beginning of 2021, Raspberry PI announced the new RP2040 microcontroller and the Raspberry Pi Pico module. This microcontroller is interesting for its characteristics in particular, the presence of two Arm Cortex-M0 + cores with a clock freque...(read more)

What's new in Raspberry Pi 4?

James_Smith — Tue, 19 Nov 2024 07:09:16 GMT

This article has the details of features and specifications of the Raspberry Pi 4 and has the comparison at some points with the previous versions for a better understanding. (read more)

Integrate IR Rmeote based fan with OpenHAB with TASMOTA

oksbwn — Sat, 16 Nov 2024 05:42:46 GMT

The video post is about how I built a smart IR remote controller using a WEMOS D1 module to automate my new BLDC fan. In this video, I’ll walk you through the setup and integration process, enabling full control of the fan through my home...(read more)

Kirigami Antennas Make Wireless Technology More Versatile, Faster, and Durable

Catwell — Fri, 15 Nov 2024 19:55:27 GMT

Researchers used the kirigami art folding technique to make versatile and durable antennas for wireless technology. (Image Credit: Drexel University) Researchers at Drexel University and the University of British Columbia sought inspiration from kir...(read more)

Port Semtech LoRaWan Modem library to Pico: Pt. 1: Gather info and prepare development infra

Jan Cumps — Sat, 29 Jun 2024 09:57:23 GMT

The Semtch LoRa-node lib, that I used with some success in Test LoRaWan Thing code ported for Raspberry Pico . is deprecated. It's replaced by LoRa Basic Modem. I'm going to try and port that for the RP2040 controller....(read more)

Test LoRaWan Thing code ported for Raspberry Pico

Jan Cumps — Tue, 25 Jun 2024 17:13:56 GMT

Semtech has example code for their LoRaWan SX1276 sub-1 GHz radio. I've used it with an MBED project in the past.In this post, I'm trying to make their Arduino Shield work with an a RP2040. And have it send data to The Things Network. comp...(read more)

Morse Micro Sets New Record --- Extending WiFi HaLow Coverage To 1.8 Miles

Catwell — Thu, 15 Feb 2024 20:00:07 GMT

Morse Micro says its SoC allows WiFi HaLow signals to travel 3km. (Image Credit: Morse Micro) HaLow WiFi has been around since 2017, and Morse Micro improved the tech’s coverage. With its IEEE 802.1 1ah standard, the WiFi HaLow&...(read more)

Secure MQTT integration between Node-RED and The Things Network

Jan Cumps — Fri, 26 Jan 2024 11:17:16 GMT

I connected an Arduino MKR WAN 1310 to The Things Network (TTN). Then used Node-RED to connect to the TTN MQTT service and work with the data. Now I'm enabling safe TLS communication to the MQTT. This post is my log of the activity. ima...(read more)

Arduino MKR WAN 1310: appear on The Things Network Coverage Map

Jan Cumps — Sun, 21 Jan 2024 19:55:17 GMT

You can show the location of a Thing on the TTN Coverage Map. And also a line to the LoRaWan gateway(s) it uses to communicate to TTN. Things that have a GPS on board, can send that info themselves. But an Arduino MKR WAN 1310 doesn't have that ...(read more)

Linux commands can turn a log into structured data (turn a TTN Gatesway log into a csv)

Jan Cumps — Sat, 20 Jan 2024 21:18:42 GMT

A bit of Linux play. How to turn an active unstructured log file into structured data.image source: nightcafe Like many programs, my The Things Network Gateway generates a verbose log file. A lot of information. Every so many (> 1000) lines, there...(read more)