The Shop > Electronics & IC Programing
Digital oscilloscope project/kit
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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