This circuit is based on the DCP010515 integrated circuit found in the August 1998 issue of Electronics Now magazine. This integrated circuit is not very common these days.
Below are two frequency filters for receivers using crystals. The crystals must have the frequency of...
This circuit is from 2005 documentation. It automatically starts an irrigation pump when the...
We found this circuit in an old documentation from the 70s, but it can be assembled with more...