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Aficionados consider refurbished gear one of the great secrets of the tech world.
International Herald Tribune, Jan 09
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Circuit Scribe EXTRA Conductive Silver Ink Rollerball Pen

Circuit Scribe EXTRA Conductive Silver Ink Rollerball Pen
Vin stock
[£12.46 ex VAT]
[£14.95 inc VAT]
Delivery info
Postal Delivery £1.99
item # 431507
Condition: New
Warranty: 12 Months warranty

This is a rollerball pen that writes with conductive silver ink. It makes creating circuits as easy as doodling.
You can use a Circuit Scribe pen to draw lines on any simple piece of paper, then attach special electrical components (Circuit Scribe modules) on the drawn lines which allow the electrical current to run through the components.
This replaces the use of breadboards and wires.
Use it on any surface a rollerball pen will write on. The Circuit Scribe pen can draw 60-200 meters depending on writing surface and speed.
60 meters is seen on absorbent surfaces similar to a napkin, and 200+ meters on photo paper.
Photo paper also has other benefits: you can erase ink by scratching a trace away, and you also get the highest conductivity on this surface (<2 ohms/cm). Soldering to the ink is possible, but tricky and greatly depends on paper/surface type and solder type.
Each Circuit Scribe pen is hand filled with a water-based, non-toxic, silver ink. The ink lasts approximately 196-260 feet worth of lines before running dry.
The lifetime of the trace lines is still being determined; however, trace lines drawn three years ago still function according to Eletroniks Incorporated.

You can now recycle your old electricals with us. If you are buying a new electrical item, we will recycle your old one for free. Read more about our recycling programme.

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