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The Voyage to Smart Home Automation
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Using CamillaDsp with a Motu-M4 as a Crossover
Using CamillaDsp with a Motu-M4 as a Crossover
Traditionally, loudspeakers have internal passive crossovers to funnel highs to tweeters and lows to woofers. This article is about using a…
Mark Zachmann
May 10
The Arylic Audio Pro 50+
The Arylic Audio Pro 50+
The Arylic Up2stream S50 Pro+ is a high-def high-feature version of a Chromecast Audio (discontinued a few years ago). Since we now spend…
Mark Zachmann
Mar 14
Make a USB Charger and Current Tester
Make a USB Charger and Current Tester
You can make any project portable with this LiPo battery charger and USB test circuit. The USB circuit provides a passthrough of the USB…
Mark Zachmann
Jan 21
Make a serial bootloader for the STM32WL (Lora-E5) using Zephyr and MCUBoot
Make a serial bootloader for the STM32WL (Lora-E5) using Zephyr and MCUBoot
Once my latest Zephyr project was in a box it became critical to have an update process that didn’t require connection to the debug port…
Mark Zachmann
Jan 4
Add a LiPo Battery Charger to the Wio-E5 Mini
Add a LiPo Battery Charger to the Wio-E5 Mini
The Wio-E5 Mini from Seeed Studio is a compact usb/battery-driven LoRa-E5 board but there’s no battery charging option so here’s how to add…
Mark Zachmann
Nov 2, 2022
A LoRa PingPong for the STM32WLE5 (LoRa-E5 Part 4)
A LoRa PingPong for the STM32WLE5 (LoRa-E5 Part 4)
After setting up the development environment it’s time to write and test a simple LoRa PingPong application — something that sends and…
Mark Zachmann
Oct 18, 2022
VSCode Building and Debugging Zephyr on the Lora-E5 (Part 3)
VSCode Building and Debugging Zephyr on the Lora-E5 (Part 3)
Building and debugging the code you create with Visual Studio Code is not a hard task, thanks to existing extensions, but it does take some…
Mark Zachmann
Oct 17, 2022
Lora-E5 Software Development with Zephyr and VSCode (Part 2)
Lora-E5 Software Development with Zephyr and VSCode (Part 2)
Here is how to create a simple STM-raw development environment that lets you build/run the provided Seed Studio LoRaWan examples as well as…
Mark Zachmann
Oct 16, 2022
The Seeed Studio LoRa-E5 Hardware
The Seeed Studio LoRa-E5 Hardware
The STM32WLE5 CPU+LoRa radio chip is the basis for Seeed Studio’s LoRa-E5 module. They’re both very interesting so I’m going to walk…
Mark Zachmann
Oct 16, 2022
How to use a Spindle Camera and SpindleView
How to use a Spindle Camera and SpindleView
CNC Spindle Cameras Part IV
Mark Zachmann
Apr 5, 2022
SpindleView CNC Camera Software
SpindleView CNC Camera Software
Spindle Cameras Part III
Mark Zachmann
Apr 1, 2022
Why use a Spindle Camera?
Why use a Spindle Camera?
CNC Spindle Cameras Part II
Mark Zachmann
Apr 1, 2022
A Tiny Sealed Raspberry Pi Webcam
A Tiny Sealed Raspberry Pi Webcam
CNC Spindle Cameras Part I
Mark Zachmann
Mar 5, 2022
What is the range of a LoRa Radio?
What is the range of a LoRa Radio?
When I started using LoRa radios it amazed me that there was no discussion of real life range. This article helps solve that.
Mark Zachmann
Jul 20, 2020
Testing and Reviewing LoRa Antennas
Testing and Reviewing LoRa Antennas
Part 2: Detailed antenna measurements
Mark Zachmann
Jun 17, 2020
Testing & Reviewing LoRa® Antennas
Testing & Reviewing LoRa® Antennas
Part 1: Overview and Summary Information
Mark Zachmann
Jun 13, 2020
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