Internet of Things

IoT Engineering and Development

Learn current technologies, best practices, development tools, and use cases that are essential for IoT design, whether you're involved in home automation, Industrial IoT, Smart Cities, or any other application of IoT.

Feature Content

How well do you know Low-Power Wi-Fi 6?

With its enhancements such as targeted wake time, OFDMA, and more, low-power Wi-Fi 6 is ideal for energy-constraint IoT apps. Take this quiz to see how much you know!

CY8CEVAL-062S2 Evaluation Kit

Buy Now

The PSoC 62S2 evaluation kit enables you to develop applications for wearables and IoT products.

Raspberry Pi 4

Select One Learn More

With the Dual 4K Micro-HDMI, it has the fastest running processor at 1.5GHz, dual-band 2.4Ghz/5GHz Wireless LAN, BluetoothLE 5.0, and PoE capability.

Recent Discussions

Discussion

On-device fine-tuning in 608 bytes — GravOptMini optimizer + W-Twin health monitor for STM32

53 views

0 replies

Started 5 days ago
by regdred
Discussion

I built micropidash. real-time web dashboard in under 20 lines of MicroPython. No cloud, no framework.

101 views

0 replies

Started 19 days ago
by Kritish
Discussion

RE: Power Connection problem

322 views

10 replies

Latest 30 days ago
by michaelkellett
Not Answered

IOT CONNECTION ISSUE 0

337 views

4 replies

Latest 2 months ago
by SamanthaCh
Discussion

Converting The SENSECAP to standard Lora Wan Gateway

228 views

0 replies

Started 4 months ago
by meera_hussien

Blog - Post List

MSPM0 OpAmp interconnection schematic

Jan Cumps

Several MSPM0 controllers have more than one OpAmp on board. There are MUX settings to interconnect them. I couldn't find a generic picture of how two OpAmps can be wired up, so I made one. It's based on Figure 17-8. Two OPAs in Difference Ampli...
- 14 Aug 2026
MSPM0 sample photodiode with internal OpAmp and ADC

Jan Cumps

When you try to measure light intensity with a photodiode, you have to build some circuitry around it.There are several ways to do that. In this post, I'm investigating TI's application note MSPM0 Subsystem Design Transimpedance Amplif...
- 14 Aug 2026
August 12th eclipse: can I measure it?

Jan Cumps

Tomorrow there's a solar eclipse. In Brussels, it's a partial one. 90%. I'm going to try and measure the light intensity during that event. image source: https://www.timeanddate.com/eclipse/in/belgium/brussels?iso=20260812 Google AI: In...
- 11 Aug 2026
Building a Local IoT Controller for a NetFlame Stove

afernandez

Hi! I’m writing this post because I’d like to share one of the IoT projects I have recently been working on: a Python application to discover, monitor and control a NetFlame stove directly from the local network. First of all, I want to g...
- 22 Jul 2026
Sega Genesis Fanatics Can Now Play Their Favorite Games Online

Catwell

Doragasu’s MegaWifi cartridge placed in a MegaWifi programmer. (Image Credit: doragasu/Kernel Hacks) Retrofitting old electronics with new abilities is an obsession I didn’t know I needed. We love playing video games online. But what if ...
- 17 Jul 2026
ASCII Aquarium Turns CYD Into a Tiny Interactive Fish Tank for Your Desk

Catwell

POWER-PILL came up with an interactive aquarium that runs on ESP32 hardware. (Image Credit: POWER-PILL) I love, love, love, love this. I'm a huge fan of ASCII art, probably due to my BBS days. This is one of those situations where I'm thinking, "why...
- 29 May 2026
Engineers Develop a Wireless Communication System With 112Gbps Speeds

Catwell

Schematic of the 560GHz wireless communication system with 112Gbps data speeds. (Image Credit: communications engineering) Researchers from Japan’s Tokushima University, the University of Tokyo, and Gifu University created a new terahertz wire...
- 27 May 2026
A Comprehensive Guide to LoRa Modules

vijeth_ds

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...
- 27 May 2025
element 14 Looking for Roadtesters to Review STMicroelectronics STWINBX1 Development Kit

Catwell

(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...
- 28 Apr 2025
Hardware hacking Della Mini Split aircon unit

aspork42

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....
- 25 Feb 2025
You Can Upgrade Zigbee Devices and Turn Them into Motion Sensors with a Firmware Update

Catwell

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 ...
- 14 Feb 2025
Airmarker’s R.One Balloon is a Handy Device For Outdoor Adventurers

Catwell

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...
- 3 Dec 2024
Review WIZnet W55RP20-EVB-Pico

maxpowerr

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...
- 2 Dec 2024
What's new in Raspberry Pi 4?

James_Smith

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.
- 19 Nov 2024
Integrate IR Rmeote based fan with OpenHAB with TASMOTA

oksbwn

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...
- 16 Nov 2024
Kirigami Antennas Make Wireless Technology More Versatile, Faster, and Durable

Catwell

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...
- 15 Nov 2024
Port Semtech LoRaWan Modem library to Pico: Pt. 1: Gather info and prepare development infra

Jan Cumps

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....
- 29 Jun 2024
Test LoRaWan Thing code ported for Raspberry Pico

Jan Cumps

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...
- 25 Jun 2024
Morse Micro Sets New Record --- Extending WiFi HaLow Coverage To 1.8 Miles

Catwell

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&...
- 15 Feb 2024
Secure MQTT integration between Node-RED and The Things Network

Jan Cumps

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...
- 26 Jan 2024
Arduino MKR WAN 1310: appear on The Things Network Coverage Map

Jan Cumps

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 ...
- 21 Jan 2024
Linux commands can turn a log into structured data (turn a TTN Gatesway log into a csv)

Jan Cumps

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...
- 20 Jan 2024
Arduino MKR WAN 1310 integration with Node-RED via The Things Network

Jan Cumps

I connected an Arduino MKR WAN 1310 to The Things Network (TTN). Then tested if the Arduino integrates with TTN MQTT service. Now I'm working with the Arduino's payload in Node-RED. This post is my log of the activity. image source...
- 14 Jan 2024
Arduino MKR WAN 1310 integration with The Things Network MQTT

Jan Cumps

I connected an Arduino MKR WAN 1310 to The Things Network. Then tested if the Arduino uplinks are published on TTN MQTT service. And if I can publish a downlink message on that service too. This post is my log of the activity. image sou...
- 13 Jan 2024
Arduino MKR WAN 1310 via The Things Network to AWS IoT MQTT

Jan Cumps

I connected an Arduino MKR WAN 1310 to Amazon Web Services (AWS IoT). Then tested if the Arduino can publish uplinks to AWS, and can receive AWS topics as downlinks. This post is my log of the activity. image source: me Read this p...
- 13 Jan 2024