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This story describes how to convert a manually set DC supply to one you can set remotely or by computer.

I use two 4-channel DACs working together with CamillaDSP to provide 6 active speaker channels. Here’s what I do to get it working in…

I’ve been trying to move from a Mac Mini to a Raspberry Pi for my living room audio for a year and finally was able to get a Pi 4B retail…

The DSP408 and Minidsp 2x4 are compact A/D-CPU-D/A units designed to be active crossover appliances with room correction. These are both…

Traditionally, loudspeakers have internal passive crossovers to funnel highs to tweeters and lows to woofers. This article is about using a…

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…

You can make any project portable with this LiPo battery charger and USB test circuit. The USB circuit provides a passthrough of the USB…

Updated June 2024

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…

After setting up the development environment it’s time to write and test a simple LoRa PingPong application — something that sends and…

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…

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…

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…

CNC Spindle Cameras Part IV

Spindle Cameras Part III