readadc with 08M
- Thread starter kfahrner
- Start date
Thanks for the reply,
I had considered the difference between legs and pins. When I explored the Cyberpet sample (adc ob 08) I was able to modify the model in small steps to 3 independent ADCs. Only when starting a new design from scratch I was unable to get the readadc commands recognised (zero values in the corresponding b0 to b2 registers). I guess there is some systematic problem in the way I set it up, or I did not initialise some parameter properly when setting up. Now that I have seen it all working I will work it out.
Otherwise PICAXE VSM is the answer to all my prayers. The range of instruments and in particular the oscilloscope are so helpful and so easy to use. Thank you Revolution Education for making all this available at a very reasonable price.
Kind regards Klaus
I had considered the difference between legs and pins. When I explored the Cyberpet sample (adc ob 08) I was able to modify the model in small steps to 3 independent ADCs. Only when starting a new design from scratch I was unable to get the readadc commands recognised (zero values in the corresponding b0 to b2 registers). I guess there is some systematic problem in the way I set it up, or I did not initialise some parameter properly when setting up. Now that I have seen it all working I will work it out.
Otherwise PICAXE VSM is the answer to all my prayers. The range of instruments and in particular the oscilloscope are so helpful and so easy to use. Thank you Revolution Education for making all this available at a very reasonable price.
Kind regards Klaus
Miracle solved
The three ADCs of the 08M in my design finally work as expected. The source of the problem was that I expected the VCC power rail of the 08M and the externally created +5V for the supply of the ADC source voltages were automatically connected - but they were not. After using VCC as source for the ADC inputs it all worked.
The three ADCs of the 08M in my design finally work as expected. The source of the problem was that I expected the VCC power rail of the 08M and the externally created +5V for the supply of the ADC source voltages were automatically connected - but they were not. After using VCC as source for the ADC inputs it all worked.
Thanks, this was helpful. Found it in the tutorials now too.
I have been copying portions of the sample projects as basis for my own designs and probably picked up some peculiar and invisible problems this way.
Sorry for the delay - got sidetracked with other issuses.
Kind regards Klaus
I have been copying portions of the sample projects as basis for my own designs and probably picked up some peculiar and invisible problems this way.
Sorry for the delay - got sidetracked with other issuses.
Kind regards Klaus