LM1971 & ATTiny mono volume control
Overview I’ve spent quite a while looking for a cheap volume control IC that actually sounds decent. The TI PGA23xx series are excellent, but they are priced accordingly. I also tried the NJW1195, but I could never get it working properly. Digital potentiometers are another option, but they are not ideal for audio, especially as…
More coming soon
I apologise that part 2 of Mission speaker project hasn’t been posted yet. I’ve been wresting with Codex to get it work reliably. It is nearly there though so there’ll be an update this week. I’ve also started work on a web based parts tracking system. I’ll share more information about this in the coming…
Mission speaker conversion part 1
This is the first in the series documenting my project to turn an old Mission speaker into a portable Bluetooth/Snapcast speaker. I’ve got quite a few portable speakers (you can see another in the background of the below pic) and this is another one to add to the collection. I prefer to repurpose an existing…
ES9023 MiniDAC
Completed board available in the shop – https://tomwatsonaudio.co.uk/product/es9023-minidac/ This is the first of a series of little DAC boards for use with simple projects. The MiniDAC boards all use simple DACs and have direct outputs with no output opamps or I/V conversion needed. They have a standardised size, connector location and pinout for easy swapping.…