An eclectic collection of information, constructional details and photos of projects that have piqued my interest.
 

 

Variable voltage stabilised PSU

The circuit and constructional details of a 170 - 320v, 130mA stabilised power supply built using 'junk box' components. This was needed to provide the HT and heater supplies for designing and testing circuits using valves.

   
Econet in a Box

Details of the design and construction of a compact Econet system. This mains powered unit can connect up to six computers with Econet interfaces fitted and with terminator plugs. It also allows for easy expansion to extend the reach of the Econet.

   
   
   
   
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