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by LTolledo
Sun Oct 18, 2020 9:05 am
Forum: Troubleshooting
Topic: RPI 3 B - Plug in earphones in the audio jack
Replies: 7
Views: 220

Re: RPI 3 B - Plug in earphones in the audio jack

just tested... on RPi3B, using Bose Sports in-ear wired headphones.....
works....

test it with your ear.... not your eyes.... :mrgreen:
by LTolledo
Sat Oct 17, 2020 3:57 am
Forum: Troubleshooting
Topic: Rpi 4 not working at 1366x768
Replies: 21
Views: 2361

Re: Rpi 4 not working at 1366x768

forcing a resolution to 1360 x 768 worked for me
by LTolledo
Sat Oct 17, 2020 3:53 am
Forum: Beginners
Topic: resistor for a button?
Replies: 11
Views: 271

Re: resistor for a button?

I've survived many 'shocking' encounters with 110 and a few 220 but on the other hand (as Alanis recommends, keeping one in your pocket, lol) 7,700v for me....from gas furnace spark plug line.... truly shocking indeed... not only once but several times.... ah the good 'ol days.... ;) neilgl is righ...
by LTolledo
Fri Oct 16, 2020 9:12 pm
Forum: General discussion
Topic: Raspberry Pi 3 Model B can't play 360p videos on browser
Replies: 10
Views: 311

Re: Raspberry Pi 3 Model B can't play 360p videos on browser

is it illegal (with severe penalties) in your area to use RPiOS on your RPi? :shock:
by LTolledo
Fri Oct 16, 2020 9:09 pm
Forum: Beginners
Topic: Power these LEDs with one GPIO
Replies: 8
Views: 243

Re: Power these LEDs with one GPIO

neilgl wrote:
Fri Oct 16, 2020 4:53 pm
Now I am thinking the micro LEDs in these wire strings are in parallel, not series...

more likely "series - parallel".....
like 3 LEDs in group connected in series.... then groups connected in parallel....
to do away with the "expensive" resistor ;)
by LTolledo
Fri Oct 16, 2020 9:02 pm
Forum: Beginners
Topic: resistor for a button?
Replies: 11
Views: 271

Re: resistor for a button?

Of course, we never make programming mistakes that cause the issue that the resistor safeguards, do we? But just compare the price of a resistor with the price of a new Pi. Its best to heed the two gentlefolks mentioned above.... unless the OP thinks "..... the 1/4w resistor is more expensive than ...
by LTolledo
Fri Oct 16, 2020 3:03 pm
Forum: Beginners
Topic: Power these LEDs with one GPIO
Replies: 8
Views: 243

Re: Power these LEDs with one GPIO

He has a string of 30 LEDs - nice tester though. thanks... got it from Amazon (a year and a half before) to confirm capacitance on smd capacitors I've received in mixed bags, dont know which has what capacitance... anyway..... going back to regular scheduled discussion.... its best to confirm the f...
by LTolledo
Fri Oct 16, 2020 2:52 pm
Forum: General discussion
Topic: Power Multiple Devices including RaspberryPi 4, LED, Speaker etc, using single 12v 3A input
Replies: 7
Views: 257

Re: Power Multiple Devices including RaspberryPi 4, LED, Speaker etc, using single 12v 3A input

been running of my RPi4B-2G server with 4TB HDD, on a LM2956 based buck converter from a 12v power source....
this is the uptime from the last maintenance...
RPi4B-2G NAS4TB uptime 2020-10-16.jpg
RPi4B-2G NAS4TB uptime 2020-10-16.jpg (26.87 KiB) Viewed 78 times

overall its been functioning flawlessly for the last 6 (or probably more) months...
by LTolledo
Fri Oct 16, 2020 1:19 pm
Forum: Advanced users
Topic: Moving Linux Kernel to 5.9
Replies: 157
Views: 8389

Re: Moving Linux Kernel to 5.9

I want to join the fray.... bu the phobia I've suffered when 5.4 broke my usage of the KVM switch still lingers..... :(
by LTolledo
Fri Oct 16, 2020 12:52 pm
Forum: Beginners
Topic: Power these LEDs with one GPIO
Replies: 8
Views: 243

Re: Power these LEDs with one GPIO

believe it or not, have blue and white LEDs with vf of about 2.8v.....
WhiteLED FwdVoltage check start.jpg
WhiteLED FwdVoltage check start.jpg (189.01 KiB) Viewed 155 times
WhiteLED FwdVoltage check result.jpg
WhiteLED FwdVoltage check result.jpg (181.19 KiB) Viewed 155 times
BlueLED FwDVoltage check.jpg
BlueLED FwDVoltage check.jpg (172.07 KiB) Viewed 155 times
by LTolledo
Fri Oct 16, 2020 12:31 pm
Forum: Graphics, sound and multimedia
Topic: Single cable solution display.
Replies: 37
Views: 1099

Re: Single cable solution display.

can anybody please actually do it ( do actual connection test) and present it if possible or not?
show pictures of the setup (working or not working)... :?
by LTolledo
Tue Oct 13, 2020 9:20 pm
Forum: Raspberry Pi OS
Topic: Clone sd card from raspberry pi 4 takes forever
Replies: 3
Views: 204

Re: Clone sd card from raspberry pi 4 takes forever

"might take" means its just a guess... have you really timed the cloning process? what is the size and speed class of the source microSD? what is the actual space used in the source microSD? what is the size and speed class of the target microSD? what is the RPi board that your are going to use for ...
by LTolledo
Tue Oct 13, 2020 9:12 pm
Forum: Graphics, sound and multimedia
Topic: How to switch between speakers/headphones on my USB audio DAC?
Replies: 5
Views: 228

Re: How to switch between speakers/headphones on my USB audio DAC?

looking at your schematic audio jack schematic.jpg if nothing is plugged to the jack, the audio is connected to the PAM8403 amplifier if an audio plug is connected to the jack, the audio goes directly to the audio plug connected headphone, cutting off audio to the PAM8403 amplifier this is true if t...
by LTolledo
Tue Oct 13, 2020 3:03 pm
Forum: Graphics, sound and multimedia
Topic: RPi, DAC, Volumio with LCD screen
Replies: 2
Views: 201

Re: RPi, DAC, Volumio with LCD screen

thanks, but I already had it running to my expectations last weekend, using "tedious" procedure available at the volumio forum... getting it right after 3 tries.... ;) here it is now.... after completing the case, wiring, integration and testing.... RPiZW Volumio LCD 16x2 frontside.jpg the RPiZW is ...
by LTolledo
Mon Oct 12, 2020 9:52 am
Forum: Beginners
Topic: Rasberry pi 4 home media Center ( remote access)
Replies: 2
Views: 118

Re: Rasberry pi 4 home media Center ( remote access)

lets simplify your conditions: Raspberry Pi + HDD (with fave media) at home internet router/WiFi router at home smartphones and tablets outside of home (outside of reach of home WiFi) smartphones and tablets need to access media on RPi connected HDD correct? the usual solution: "port forwarding" on ...
by LTolledo
Sun Oct 11, 2020 12:29 am
Forum: Beginners
Topic: [Solved] No sound when watching YouTube
Replies: 30
Views: 1573

Re: [Solved] No sound when watching YouTube

strange.... I just watched a couple of youtube videos a while ago, while my audio setting is in analog.... and the audio is quite audible even on my Bose SoundSport in-ear headphones... and am listening to a youtube video audio while typing this post.. very very strange.... does this mean google's a...
by LTolledo
Sat Oct 10, 2020 9:51 pm
Forum: Troubleshooting
Topic: Raspberry Pi4 no sound when using browser/youtube
Replies: 6
Views: 166

Re: Raspberry Pi4 no sound when using browser/youtube

this:
RPiZW RPiOS USB audio selection.jpg
RPiZW RPiOS USB audio selection.jpg (38.87 KiB) Viewed 133 times
right click on the speaker icon on the top right
the check must be on the Analog
by LTolledo
Sat Oct 10, 2020 9:28 pm
Forum: Troubleshooting
Topic: Under-voltage detected! in DMESG
Replies: 25
Views: 540

Re: Under-voltage detected! in DMESG

the simplest fix is to get the much recommended RPF PSU specifically designed for the RPi3B+ another is to use any PSU (not just any chargers please) with 2.5A or higher rating and with a microUSB cable with thicker wire cores (AWG18) most of my RPis (including this RPI4B-4G desktop) are now powered...
by LTolledo
Sat Oct 10, 2020 9:10 pm
Forum: Troubleshooting
Topic: RPi 4B boots but no video (tried several config combinations)
Replies: 7
Views: 246

Re: RPi 4B boots but no video (tried several config combinations)

what are the native resolutions of those monitors?

also its better to try using another micro HDMI cable...so you better get one....
by LTolledo
Sat Oct 10, 2020 9:08 pm
Forum: Troubleshooting
Topic: Raspberry Pi4 no sound when using browser/youtube
Replies: 6
Views: 166

Re: Raspberry Pi4 no sound when using browser/youtube

Have you confirmed that the audio is set to "Analog"?
if not set it to analog
then close Chromium
then open Chromium again...
then test using the link below:
https://www.youtube.com/watch?v=hTvJoYnpeRQ&t=51s
by LTolledo
Sat Oct 10, 2020 2:14 pm
Forum: Graphics, sound and multimedia
Topic: RPi, DAC, Volumio with LCD screen
Replies: 2
Views: 201

RPi, DAC, Volumio with LCD screen

Good day! For my next pet project am going for a RPi and Volumio with LCD screen (16x2 or 20x4, I2C interface) been searching the wild wild web for about a week but can find "updated" latest procedure (as in Yr2020 version) to integrate all 3 together... already got all of the parts, RPi is already ...
by LTolledo
Sat Oct 10, 2020 1:39 pm
Forum: Beginners
Topic: crontab doesn't rum my scripts
Replies: 6
Views: 224

Re: crontab doesn't run my scripts

have you made the script executable?

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