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Discrete Analogue to Digital converter

Knighthawk_140

Hello.

I have made a 14bit single slope adc

  • in reply to michaelkellett

    Why would I want to convert a linear voltage scale to logarithmic 

  • in reply to Knighthawk_140

    We need a schematic - it's like home work - you only get marks if we can see your workings out  Relaxed

    For an A++ grade - try making it logarithmic !

    MK

  • in reply to genebren

    Thanks, Here it is working., I'm measuring my power supply with my DVM as a reference

  • Very cool!  Welcome to the element13 community and thanks for sharing you work!

  • in reply to dougw

    I have a video up on youtube of this working, it is based on a ramp counter, constant current linear ramp with comparator. I used an STC89C52 running at 20Mhz in 6T mode, this is based on the old 8051 microcontroller. With 20x4 LCD

  • That sounds cool. Can you post a picture of it or a schematic or do you have a question about it?