I am reasonably sure I’ve got this right, so here is the full stripboard layout to get two LMNC simple AD/AR generators in one module. The long green jumper wire is an optional “normal” output, that should go between the tip switch connections if you have a switching jack. I am building/testing trhe second half now, I’ll correct if there are any mistakes.
Please note that there are some quirks with the circuit (whether you go single or double) which are detailed in the comments below. Also, the potentiometers are as seen from the back, which is the opposite of Sam’s diagram.
I am putting together a dual AD/AR Generator (the 2.0 version with a switch and push-button), and I plan to release the stripboard layout as well as the STL file for my 3d printed panel. I’d like to make sure I have everything working first though, and so far I just have one small problem - has anyone experienced the following?
Everything works great except the Attack knob when the module is set to Trigger (AD) mode. Only about 5% of the knob’s travel from counter-clockwise is useable. If I put in too much attack time, the module won’t trigger at all. I have only tested with the push button, not an external trigger. I have double checked all the resistor and capacitor values, and even swapped out the 10nF cap with two different replacements (same value) to see if that would do the trick - no luck. My suspicion is the capacitor, since there are very few components that would affect the trigger but not the gate. Any insight is much appreciated!
In the meantime, here is my first draft of a dual envelope stripboard. I am reasonable certain it is correct but I will post a version with all the outboard wiring displayed after I am fully certain nothing is wrong with the layout.
EDIT: Here is a link to the original project from Sam: https://www.lookmumnocomputer.com/simple-envelope-generator