The Swipe (audio-jack) card reader is lightweight and low-cost, which makes it a good option for merchants who are just getting started with taking credit card payments. The card reader plugs into the audio jack of your POS device and has no wires, so it's ideal for use at fairs, markets, or pop-up locations.
I have had my Dell Inspiron laptop for about 4 years now. The problem started this summer, but I haven't tried to resolve it until now. Randomly while I am working on my computer, in the bottom right hand corner a notification pops up that will say "You just plugged a device into the audio jack" and then a few seconds later it will say "You just unplugged a device into the audio jack" even when I am not inserting anything into the audio jack. This will go on constantly, honestly for 30 minutes at a time and then will randomly stop and start up again out of nowhere. It comes from the Realtek HD audio manager. It is very annoying because if I try to listen to music from the speakers, it will constantly think I am putting headphones in and the sound will cut out for a few seconds then come back on. The only way to resolve it is to actually put in headphones and listen through my headphones.
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In the era when America's Rust Belt got its name, factory workers labored on a 12-hour day or night shift for two weeks straight. To switch shifts, one group would have to work 24-hours straight and cover the labor gap. This grueling shift became known as the Longturn. Longturn music was founded to give people with day jobs a space to spend their second shift. No bottle service, no passwords, just a dance floor filled with good people and good music.
When I plugged in the headphone into the audio jack, there is no sound. The sound is coming from the internal speakers. I just installed System Mechanic and ran a system analysis. I don't know if the registry was changed or what. There is not a problem with the headphone; I tried another headphone and have the same problem. The laptop detects the headphone, an icon shows in the Notifications area saying a device was plugged in.
You can fix the unplugged pop-up notification issue by adjusting some Realtek HD Audio Manager options. You must adjust the display icon, front panel jack detection, playback device, and audio device options.
If you want to use this breakout to hookup a spare set of amplified PC speakers to a micro's 3.3-5V PWM or DAC output pin on a breadboard here is a schematicA 10K:1K voltage divider is used to drop the voltage and a 1uf DC blocking capacitor is used. If it is a mono audio signal just tie the left and right stereo inputs together as seen in the schematic. Anything close to those R and C values will work, if you do not have the exact values.
This answer is wrong. TRS plugs supply stereo audio. (TS supplies mono.) The tip is left, the ring is right and the sheath is common/ground. The answer is, yes you can. You will just have no place to connect the microphone signal from the TRRS wiring in the TRS plug, so you will lose the function of the microphone but will still have stereo audio, as you correctly surmised. (All 3 plug types are compatible with a TRRS socket, and will conduct the channels the respective plug type is meant to.)
I picked up the supplies at Radioshack to make the audio amplifier circuit. I ended up buying a mono audio cable before I realized you had used a TRS cable. I was trying to combine this project with another popular project, sending audio using a laser. I have the audio transformer and the laser set up to be my transmitter but instead of picking up the signal and throwing it to an amplified speaker, I wanted to make my own amplifier. Is this just wishful thinking on my part? Could the input signal be replaced with a photo resistor with the changing laser light or does this circuit require the TRS or TRRS in order to work? Could using a mono audio cable work too?
I need to disable the mic in my headphones with a TRRS jack. Will cutting or disconnecting the inner copper mic wire with the red and green outer sheathed ground wire in the headphone housing plug disable the mic surely? Can I just told back this copper wire down to the cable and secure this there.using tape?
I had to design a custom footprint for my audiojack, however Im not sure if I selected the correct pads.The width of the parts connector is roughly 1mm, therefore I put a hole size of 1mm on the pad settings.My jack is similar to the Ledino available on Kicad, however this one uses an oval and rectangular pads.
Hi,Are you aware that the analog input is only DC, not AC as would be the case with audio.It is possible but more than just a plug into the aux socket and connection to the controller analog input is needed.
I built the frequency meter that I had attached above. I then hooked up the oscilloscope to see what was being measured by the audio input to the analog A0. I attached the results for the oscilloscope below. What it shows is that there is a wave that changes with the frequency of the music, but the wave only peaks around 1.2 to -1.2 volts. Also, when I stop the music, the oscilloscope would nearly flat line showing that the music was indeed being inputted. However, whenever I actually plug the analog pin into A0, I would never receive a changing analog input like I had posted about above. If anyone could help me on this problem, I would greatly appreciate it. I was just wondering why my arduino is not reading the change in audio input, even though the oscilloscope is showing an audio reading.
Why don't you get an app for your phone that just outputs a tone, not music, that way you can see if you are looking at noise or signal?ORUse a AF signal generator to produce you audio signal for setup purposes?
I tried the code that you had sent, and I also tried using a constant frequency. The results are shown down below. There was three things that happened. When the oscilloscope was hooked up straight to the audio jack and a constant frequency was played from my phone, the resulting wave was a perfect sine wave that matched the frequency. However, when I hooked up the oscilloscope to my circuit and played a constant frequency, the wave (as shown below) was jagged and was not a perfect sine wave. I do not know what is happening there; however there is still an audio signal being read in (not just noise). Then, after changing my code to yours and plugging in my frequency circuit, the analog pin consistently read in 1023 despite me changing the input frequency. This is still the main problem that I am having. The analog pin doesn't seem to be reading the input from the aux cord.
This is a review, detailed measurements and comparison of Apple's USB-C adapter to the current and last version of Google Pixel headphone adapters. The Apple adapter costs just $9 including one day shipping for free. The Google dongle costs...
The first does not at all mention a DAC and is compatible only with some phones without a dedicated audio jack, so I suppose its just a mechanical adapter and works only, if the phone sends an analogue output to the USB-C connector.The more expansive one is a DAC for sure.
The headphone jack on my MacBook Pro stopped working. It was working fine, then just spontaneously stopped while I was using external speakers plugged into the output jack. Now, neither speakers nor 3 different headphones have sound. The internal speaker on my MacBook Pro still works.
I completely get your point of view and you are right: it is just a huge effort to maintain all possible configurations (specifically as this is really open and free software). And all the folks in the community are just very awesome.
Just to add a point of view, hoping that it might be useful for Zorin discussions. I actually chose a NUC just because it was one of the option available in the website Maybe from the user point of view, they expect that it works without so many technical backflips. As an idea, maybe Zorin can focus on these few hardware and having it "Zorin Certificated" marked.
Pairing via BluetoothThe audio jack head is a detachable unit from the reader. Unless you are using the reader primarily using the audio jack, the audio jack head will be used just for initial Bluetooth pairing. Once paired, the audio jack can be stored securely. To do this, follow the instructions below, for Android and iOS, respectively:
As an alternative, the solution I implemented to this problem was to purchase a Chromecast Audio (still available second hand on fleabay) and hook it up to a pair of Creative Pebble speakers. One big advantage of this setup is that it can do text to speech rather than just relying on pre-recorded messages for announcements.
I just used my 'adapter' in my iPhone 7 plus today and noticed that... it didn't work at all. Every split second I get static/music/static/music as the songs continue to play. I knew the adapter wouldn't work once I found out that they were giving us something free with our expensive iPhones with no headphone jack. My earbuds are OEM Samsung and I refuse to go out and buy new earbuds from another company just to see if it is an issue with that model of earbuds. My Samsung earbuds work with everything else so there is no reason the adapter shouldn't work with all 3.5mm headphones. Oh well, guess I'll use the Apple earpods and continuously keep putting them back in my ears as they fall out constantly until I can find a pair of good bluetooth earbuds. 041b061a72