The Shop > Electronics & IC Programing

Digital oscilloscope project/kit

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RobWilson:
I see Bangood now supply a PSU fo the DSO  £2.28   http://www.banggood.com/DSO138-Power-DCDC-Converter-Boost-Module-Step-up-Module-Board-p-1000089.html   :zap:


Rob

modeng200023:
Thanks Rob, I think I'll have some fun.

John

John Swift:
Hi Rob

a simple LED oscilloscope from 20 years ago

the circuit shows the principle

the 'scope in the  photo has an adjustable sync  , time base and attenuator
as expected in a usable  tool
the oscilloscope is usable up to 30 KHz

    John

John Rudd:
John,
There arent any valves in that design..... :lol:

John Swift:


Hi  John

    your correct ,
I did not go back to the old all valve Heath Kit oscilloscopes or Practical Wireless projects

they don't work with just a pp3 battery

     John

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