Blog

Project14 SubGHz - Door Lock App Part1

2023-09-26T19:49:48Z

Thanks to the SubGHz contest - RF has been on my radar to explore for a while now and using STM32WL is where I got started. The radio drivers and middlewares are quite complex coming to these systems, but the getting started example helped me here.&n...(read more)

Project14 | Sub-1GHz Band Challenge - Tone_On

2023-09-25T03:30:44Z

I know it's past the deadline, but I need to post this update. After playing around with the FSK default values, I managed to play a tone from the fox at 433MHz. community.element14.com/.../IMG_5F00_9509.MOV Here's the Audacity view of the audio...(read more)

Sub-1GHz Band Challenge – Home Automation using LoRa with HMI display

2023-09-22T21:32:58Z

Introduction In the previous blogs, I have run the example codes that are already available as a part of BSP package. As a finishing blog, I have decided to create a wireless offline home automation device that has an HMI display interfaced to it. ...(read more)

Project14 | Sub-1GHz Band Challenge - Radio_On

2023-09-22T15:03:02Z

My plan is to develop a Ham Radio Fox like this one by @kmikemoo using the Nucleo-STM32WL55 board. My first blog was the unboxing and running of the demo software for the Nucleo-STM32WL55JC1. Project14 | Sub-1GHz Band Challenge - Un...(read more)

The Frugal Fox

2023-09-22T04:02:54Z

What does a fox have to do with electronics? In Amateur Radio circles, a "fox" is a hidden transmitter and it is used in the sport of radio direction finding (RDF). This can range from Amateur Radio Direction Finding (ARDF...(read more)

Arduino Nano Wireless Morse Code Key (Ver 1 and Ver2) using 433 MHz FS1000A Xmtr and Receiver modules

2023-09-17T14:22:45Z

Preface: Using a corded morse code key on an amateur radio station can get clumsy and annoying. Connection wires are always in the way and getting tangled, hand and wrist positions get awkward, the morse key gets in the way of other things near the ...(read more)

Radio controlled clock/weather station using second-hand Oregon outdoor sensor

2023-09-15T14:20:19Z

A sensor During preparation for my ADALM Pluto road test I have obtained set of second hand outdoor weather sensors which were cheaply sold as incompatible with seller's weather station. Half of them were readily decoded using rtl_433 software, the r...(read more)

Sub-1GHz Band Challenge - A study on Lora transmit and Receive

2023-08-21T19:52:59Z

Introduction In the previous article we have seen how to program Nucleo board using MBED OS and ran a LED blinking application. In this article, we will see how to transmit and receive wireless messages using Lora communication and observe the result...(read more)

Project14 | Sub-1GHz Band Challenge - Unboxing and running demo programs

2023-08-15T15:43:05Z

This project is turning out to be more complicated than I expected, so I'm going to break it up and post Blogs as I proceed. Unboxing: The STM32WL55 comes in a nice package with some startup instructions for the preprogrammed demonstration code. ...(read more)

Sub-1GHz Band Challenge - STM32WL Nucleo board unboxing and kickstarting development

2023-08-13T17:20:56Z

Introduction Thanks to tariq.ahmad, I got two NUCLEO-WL55JC1 Nucleo boards delivered to me this week. In this intro blog post, we will see the specification of the board and how to run a simple “Hello world” program using MBED cloud. Hard...(read more)

Project14 | Sub-1GHz Band Challenge: Win a Pair of STM32 Nucleo-64 Dev Boards for Your Project Proposal!

2023-07-13T16:31:00Z

In the Comments Below: Let Us Know Your Project Ideas for the Sub-1 GHz Band Challenge! You are free to use whatever components you like. However, if your project proposal uses an STM32 Nucleo-64 Development Board* We'll Send...(read more)