diff --git a/crystal_radio/IMG_20230528_032029185_HDR.jpg b/crystal_radio/IMG_20230528_032029185_HDR.jpg new file mode 100644 index 0000000..ac6e591 Binary files /dev/null and b/crystal_radio/IMG_20230528_032029185_HDR.jpg differ diff --git a/crystal_radio/IMG_20230528_032031743_HDR.jpg b/crystal_radio/IMG_20230528_032031743_HDR.jpg new file mode 100644 index 0000000..cf1b3be Binary files /dev/null and b/crystal_radio/IMG_20230528_032031743_HDR.jpg differ diff --git a/misc/good_theory_of_operation_example.png b/misc/good_theory_of_operation_example.png new file mode 100644 index 0000000..af942de Binary files /dev/null and b/misc/good_theory_of_operation_example.png differ diff --git a/misc/good_theory_of_operation_notes.txt b/misc/good_theory_of_operation_notes.txt new file mode 100644 index 0000000..9014a78 --- /dev/null +++ b/misc/good_theory_of_operation_notes.txt @@ -0,0 +1,15 @@ +what is useful about this theory of operation: + + +first, it has the block diagram + + +second, it has succinct explanations of what voltages / signals to expect + + +third, it is simple enough to grasp quickly + more indepth explanations could be saved for a later block diagram. + + + +taken from thermal arc 201ts welder. diff --git a/misc/good_theory_of_operation_notes.txt~ b/misc/good_theory_of_operation_notes.txt~ new file mode 100644 index 0000000..e69de29 diff --git a/misc/rigol_ds1054z b/misc/rigol_ds1054z index 69aece8..2188fed 100644 --- a/misc/rigol_ds1054z +++ b/misc/rigol_ds1054z @@ -1,4 +1,4 @@ -i owned a ds1054z and it took me years to learn: +i owned a ds1054z and it took me years to learn that: the scope is slow when using the knobs, however it is really powerful (although i have not tested personally) @@ -45,3 +45,8 @@ features. as another option the analog discovery might do some of the above as well. no idea which is better / easier. would have to use both and do a review. + +with the usb type logic analyzer scopes you have something you can +stick with a beagleboard on a customers site and do some potentially +easy but still powerful logging. basically you get the software and the +dacs of the usb boxes with the linux of the sbc.