Oyster, here’s an explanation. I’ve repaired thousands of units. I’ve learned a few things through this time. Of the units that were treated with Caig products (and others), those were the worst units to repair. Unlike lubes placed in sliders at the time of manufacture, sprays go everywhere. Some become very sticky and attract dust. The slider or pot works great at first, but later degrades faster and to a worse condition. In addition, sprays don’t clean out pots well or at all. They move...

How to Solder: This guide focuses on soldering for the beginner and explains how you can solder a variety of components using a few different techniques - from the classy to the downright caveman. Although soldering can seem daunting at first, once you give it a t…

In Kingfisher Cecilia uses a condenser on her fiddle but combines it with effects pedals. This is a bit awkward to get working, and we've been using a Soundcraft Notepad mini-mixer. Unfortunately we had some issues recently where adjusting the input gain would make horrible scratchy noises: I thought I'd need to take the mixer apart to clean it, but a bit of looking online turned up suggesti

According to various online posts, the Soundcraft Notepad line of mixers tends to develop various faults of the USB audio inteface after a few years, including constant noise. Fortunately, if you can live without the digital parts of the mixer, there's a workaround.

The CrowPi2 exterior is a little rough, but inside beats a solid electronic heart. By Lucy Hattersley

Crowpi is an amazing kit to help you learn computer science, programming, electronics and master Raspberry Pi.