Troubleshooting • Re: Powering RPi 2 Model B v1.1 via 40-pin header - possible?
Hi! My RPi2 B v1.1 powered with microUSB (100% sure a 2A charger) constantly yields the "Undervoltage detected" log regardless of chargers I use. At the same time, I can see with the hardware USB...
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General • Pico Frequency Meter with 12MHz TCXO Reference
This project is a frequency measurement tool based on the Raspberry Pi Pico and the RP2040 microcontroller. It uses the PWM hardware to count edges on two input signals—one is the test signal, and the...
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Interfacing (DSI, CSI, I2C, etc.) • Re: Did anyone got PCM1802 (ADC) working...
Oooohhhh.... https://kentaromitsuyasu.medium.com/cre ... 91db2bd289Uuuuhhh..... juce4 PI....https://www.youtube.com/live/2_7SVHg7OW4Pigpio on rasp Pi 5 topics, idk if relevant, just posting bc it is...
View ArticleGaming • Re: 11-Year-Old Designing a Custom Raspberry Pi Handheld – Looking...
I'm in the USokay, pity. I have a spare PiZero 2W you could have had if in the UK.Statistics: Posted by MikeDB — Mon May 26, 2025 9:56 pm
View ArticleBeginners • Re: Changing the docker-compose.yml of a Docker container
Have a look at this:https://geshan.com.np/blog/2025/02/olla ... r-compose/Statistics: Posted by deepo — Mon May 26, 2025 9:57 pm
View ArticleGeneral • Re: USB connection is reset when connecting external ground
All the cheap ones are all the same design. An Analog Devices ADuM USB isolator chip and an isolated 5V DC-DC converter. The DC-DC converter can supply ~100mA.If you want a better source than random...
View ArticleGeneral • Re: RP2350A reset (RUN pin assert) locks up processor when GPIO...
I have an app that runs on boot and it just initializes GPIO10 as input with Pull up. I see it at 3.2v when the app is running and as soon as I press run (ground the pin), GPIO10 goes to 2.2v which is...
View ArticleTroubleshooting • How to power a Pi 5
I have to admit, I find the design of powering a Pi to be completely inadequate, frustrating, and unintuitive.It is quite a frustrating experience to go through hours of setting up and configuring a...
View ArticleGeneral • Re: Charlieplexing on 2350 Not Working?
For charlieplexing you shouldn't be using pull-ups (or pull-downs). The pin states are high, low, and Hi-Z. Hi-Z, or high-impedance, is achieved by setting the pin to input, with no pull-up (or...
View ArticleCamera board • Re: Using HQ Camera with Motorized Lens: Autofocus Integration...
From experience, implementing a reliable autofocus system in software—especially using edge detection or contrast-based metrics—is non-trivial. These metrics can be noisy or unreliable depending on...
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Troubleshooting • Raspi B+ in 2025 can't boot
Hi I have Pi B+ made in 2014 . Many years this work enough good. I used NOOB or disk imager for prepare system. Few years I didn't touch raspi. And now in 2025 necessary use it. But I can't prepare...
View ArticleCamera board • Re: RP with zoom/telephoto autofocus lens?
Wow, that's very interesting, thanks much for sending!Until this, I couldn't find a way to interact with a long range zoom lens with autofocus and auto iris via RPi's camera port, so went with this...
View ArticleOff topic discussion • Re: AI is dangerous
The big AI out there - "The prisoners are about to escape, last time we used a flood, the time before that we nuked them. They are like cockroaches, what do we do this time?Elon is worried about AI, I...
View ArticleTroubleshooting • Re: Raspi B+ in 2025 can't boot
It looks like you need a new SD card. The one you have has hardware problems.Use Raspberry Pi Imager. Set Raspberry Pi Device to "Raspberry Pi 1"Pick the "Raspberry Pi OS (32 Bit)" operating...
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Troubleshooting • Re: I don't know
QuestionsWhich Raspberry PI do you have?Is your network connecting via LAN or WIFI?Which OS are you installing. Is it the Desktop or Lite version?Do you have a monitor, keyboard and mouse attached?I...
View ArticleGeneral discussion • Re: Raspberry Pi 5 with 1 GB RAM - coming ?
Dear all, Does anybody here know whether we will get a cheaper, 1 GB RAM, version of Raspberry Pi 5, as suggested by the Pi 5's PCB, and maybe when ?That would be really great !Kind regards to...
View ArticleSDK • Pycryptodome not installed
Is there any way to install Pycryptodome on the SDK version of Python? I've read in several places that the SDK has a different install but I can't install any modules on that.It's pretty poor that...
View ArticleTroubleshooting • Re: How to power a Pi 5
How do I get a boot log?As I said above:Those are boot log messages. The last ones seen should give some idea what the problem is. You might find it easier to read them (as they'll stay on screen)...
View ArticleRaspberry Pi OS • Re: Testing Debian "trixie" on a Raspberry Pi...
The desktop will also still be labwc/wayland.Will Raspberry Pi OS Trixie still support X11 for those who currently use that ?Prior to the official Raspberry Pi release of Bookworm I hacked...
View ArticleDevice Tree • Re: Support for Modular Interchangeable Lens Drivers in...
Can you give some examples of the modifications that you are making to the camera overlays?Statistics: Posted by PhilE — Wed May 28, 2025 9:24 pm
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