In terms of the LED holder inserts, is this what you're referring to? https://www.amazon.ca/Pieces-Black-Plas ... B00K85965W
canpara's Venkman Orange Shirt: viewtopic.php?f=4&t=44315&p=4905044#p4905044
I have never tried the Led holders before since the foam seamed to work for me but I would assume they should work depending on the inner diameter and length of the reflectors.I think the LED holders are a great idea. I certainly like it better than using hot glue. Hopefully I can find some LED holders locally, rather than waiting for 2-3 months of shipping from China, lol.
Now that we have the basics covered, it seems to me like you have a bad solder connection. The potentiometer should work in reverse when you switched terminals. I'd check those connections very carefully. If those look good, remove the potentiometer wires from the board and check the resistance with a voltmeter. You can check the total resistance and curve type by measuring the terminals as noted above.Thanks, Bishop, for your prompt reply and keen insight (as always). Last night, I contacted Spongeface about this problem by private message and he echoes your deduction. Here is his response:
That pot operation sounds like something is wrong. The pot you purchased sounds ideal. Do you happen to have a volt-ohm meter or DMM (digital multimeter)?He subsequently added the following:
With a couple of measurements we could probably figure out where the problem is.
If not a couple of things to try:
With all three lines of the pot disconnected from the screw terminals the volume should be low, but still be able to be heard. If you have a voltmeter/DMM, the center of the pot to GND should be a bout 2V.
With the pot set to the middle, connect the red and black wires to gnd and pos, but leave the wiper connection open. The volume should stay the same. What should happen when the wiper is connected is the volume should increase a little and the wiper voltage should go to 1.5V.
If the volume is turned completely off or gets very loud, swap the red and black wires and see what that does. (make the volume very loud or silent).
If this happens either the pot is broken or there is a short between two of the leads. [canpara has bolded this sentence for emphasis.] If you have an ohmmeter (or ohm setting on a DMM) you can measure the resistance between the leads of the pot. removed from the screw terminals and with the pot set to the middle, you should read about 10K ohms between the red and black wires and about 5K ohms between the brown (wiper) and the red wire and also between the brown and the black wire. Depending on what you measure will tell us where to look next.
Best guess is that the black and brown leads are shorted together near where they are soldered to the leads of the pot. Then when black was GND the brown wiper was also grounded and that would be max volume - independent of what the pot was set to.It is pretty clear to me that my shoddy soldering is at the heart of the problem. I will clean that up once I get home from work this evening and report back.
With the Red wire grounded and the black connected to POS, there is a protection resistor on the board that would have to be overcome and would only lower the voltage when the pot was near the absolute end of its range.
Your pack is looking great... and solid and clean build. Just subscribed and looking forward to more updates.Solid praise considering I stole so many ideas from your build thread (hehe), notably the ground loop insulator and the Bluetooth module. Your pack build is very inspirational to me and I really appreciate the support! GohstTarp probably has the cleanest build I have seen thus far.
It is like epoxy in the sense that you need to mix a red hardener cream into the beige goop for it to take on its filler and adhesive properties.Yep, that's the good stuff. Bondo also sells red "spot putty and filler." It comes in a tube and is meant for filling in small holes and leveling. Much softer than the 2-part stuff. Color is about the same so wasn't sure what you were using but you're good with that.
Those internals are so clean....love it....amazed!Thanks, Lowberg! I believe they turned out quite well and I'm quite proud of them. I appreciate the kind words.
This can happen for several reasons. Poor adhesion. Rapid drying. Base coat not cured.The can says to apply a second coat either within an hour of the original coat or after 24 hours.
Most importantly, what does the can say about recoat time? Usually it will say, recoat in 2-8 hours OR after 48-72. Something like that. My guess is the base coat wasn't fully cured.
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