This is a simple project, but one I hope you will find useful. Recent upgrades of 2 of my PC’s with bang-up-to-date motherboards, have demonstrated a need for USB ‘A’ socket headers, either to fit on a standard PC Component plate, or a spare blanking panel on the front of the PC. I’ve tried sourcing [...]
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This is Cullercoats, once a small but identifiable community, now sadly just part of the ribbon of development reaching north up the coast from the river Tyne. That’s not to say it has nothing to offer – it has: There a two lovely beaches, the small one within the harbour [...]
A soldering Iron – 15-25 watts, preferably with a choice of 2 bits – one conical, the other flat (see photo)
Switches S1-S21. These are miniature TACT switches for the keypad and it is essential to purchase a similar product to that used in the prototype otherwise use of the keypad PCB may not be possible.
On Ropery Banks Jinny was sittin
The sheep’s in the meadow,
Canny at neet,
The bord’s in the nest,
It’s in the evenin after dark
He takes his pick an doon he goes
Oh, Delaval is a terrible place
Aa’ll warrant you’ve never seen me lass, hor name Aa cannot mention,
Well the [...]
Now I’m most depressed and sad where Aa once was blithe and glad
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Apologies to Linux & MAC users for the Microsoft-only player. Until I fix this problem an URL to the (m3u format) playlist is here.
To launch the playlist in a separate page (Linux & MAC users) go here.
8. Will You? – from ‘Breaking Glass’ by Hazel O’Connor 1995.
All dimensions in the above are in millimeters. Material I used was 20 swg aluminium. Fixing holes for the two valve bases are not shown, as the bases you use may not be the same as mine. Similarly, you should check the dimensions of the two foot-switch bushes and change size [...]
You will need the following items. The photographs are for the benefit of those new to electronics, also I’ve included a link to a datasheet where possible, to satisfy the curious. So I ask the patience of those to whom all of the following is old-hat!
Main processor printed circuit board.(DRO V2.1)
Resistors are usually cylindrical in shape with axial wires emerging from each [...]
If you have followed the Design Walkthrough, we have now covered almost everything in the DRO design, apart from the liberal smattering of decoupling capacitors. (all of value 100nF) Apologies for the rather busy circuit, and if you need to look closer, I advise downloading the (free) evaluation of Eagle and viewing the schematic in [...]
A WalkThrough The Design
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