Protecting Against Malicious Logins

This is not a well visited site, (I don’t mind – it’s just a hobby).  But…. I first got a warning when I got a message from this site about an attempt to change the password, and it wasn’t me.  Looking at my webstats for October I found that the three most popular url were:- … Read more

A mains Mixer on Batteries

The Wharfdale mixer The feasibility of running this mixer designed for mains use was covered in a previous post. In that article I ended up running the mixer from PP3 batteries connected in pairs to give +/-9V.  I had ascertained that the mixer could run down to +.-7V and all that would be affected is … Read more

Using a dynamic mic with a Macbook

Look anywhere on the web and you will be told you need an audio interface to connect your mic to your MacBook, or you need to switch to a USB mic.  Well, it ain’t necessarily so. Read more

Old car batteries as a power source

Testing Lead Acid’s   I have four old lead acid batteries stored in the garage. All of these batteries have been retired for some time but I keep them in the garage and charge them up every 3-6 months. This is the technique I used to measure the capacity of these batteries:- Charge the battery … Read more