Thanks.
Thats a good point.
I will try to connect it outside the breadboard.
As for capacitors.... I have used all sizes and types, before and after every regulator and power supply lanes.
From 10nF to 2200uF.
I also tried using RC and LC filters on the GPIO line which did not help.
Could not really determine relevant frequencies to filter out since the spikes are seemingly completely erratic.
The high frequency noise and low frequency dips I noticed, although regular, did not seem to be the cause (although they should not be there regardless).
The erratic spikes and drops seem to correlate with the fluttering of the relays.
Before trying all of the above (as well as using the lead acid battery), it seemed to me that it was simply that my power source was not capable of supplying the currents required by the Pico, or the response times required.
But apparently that was not the reason.
Still scratching my head....
Thats a good point.
I will try to connect it outside the breadboard.
As for capacitors.... I have used all sizes and types, before and after every regulator and power supply lanes.
From 10nF to 2200uF.
I also tried using RC and LC filters on the GPIO line which did not help.
Could not really determine relevant frequencies to filter out since the spikes are seemingly completely erratic.
The high frequency noise and low frequency dips I noticed, although regular, did not seem to be the cause (although they should not be there regardless).
The erratic spikes and drops seem to correlate with the fluttering of the relays.
Before trying all of the above (as well as using the lead acid battery), it seemed to me that it was simply that my power source was not capable of supplying the currents required by the Pico, or the response times required.
But apparently that was not the reason.
Still scratching my head....
Statistics: Posted by djinng — Thu Feb 29, 2024 10:12 pm
