Paul In The Lab

another cool little voltage monitor but I had some requirements - I wanted it to be self powered and have an onboard load so I could check ...

This is a cool little project I've been meaning to do for a long time. One which was so simple I kept putting it off. Essentially this...

This is pretty much a datasheet circuit that I put onto stripboard it has a monitor LED that turns off when it drops below 8 volts however...

Some of you older people (my age and older) may notice that some of my schematics resemble that of the old Forest Mimms schematics IE, draw...

I wanted a counter that would basically count from a input signal, such as a reed relay to count the turns when winding a transformer or in...

Originally this had a glowing report, it worked well and was accurate - the original one was broken and so they sent me a new one HOWEVER...

based largely on articles in The Art Of Electronics I came up with this layout for a DVM based on the ICL7107 DAC I ended up doing 2 differe...