General • ADC + DMA + FreeRTOS does not work.
I have the following code, which represents a task, it works perfectly if used outside of freeRTOS, but in RTOS it does not obtain any value from the ADC, I have tried several alternatives, and I no...
View ArticleTroubleshooting • eMMC error on CM4
Hello.I just used CM4 version 2GB RAM, 16G eMMC with IO Board.Today I installed the operating system on eMMC. I used USB SSD to boot into the operating system, then used SD Card Copier function to...
View ArticleHATs and other add-ons • Raspberry pi 5 beginner's kit
As I wanted to work on Raspberry pi 5 ( 8GB) , which includes an inbuilt Raspberry pi OS .My query is the Raspberry pi OS installed in it will be of how many bits (32 bits or 64 bits) . Which will be...
View ArticleSDK • Issue sending a large amount of data via Bluetooth
I’ve written code for a BLE peripheral with a Pico W, defining a custom service and a custom characteristic.It works fine until the peripheral sends data less than the MTU. Code: int...
View ArticleGeneral discussion • Audio Capture
Dear Team,I am working with Raspberry PI 3 B+ h/w and able to play the audio using aplay command from head phones connected to 3.5 mm audio jack . But when i was trying to capture the audio using...
View ArticleBeginners • Pi4B 8gb ram as a desktop replacement.
Intend to repurpose my Pi4B 8gb as a desktop replacement. Have a spare M.2 SSD 256gb. My requirements is simple web surfing, YouTube, basic word editing etc. How should I go about it? Any M.2 hat for...
View ArticleTroubleshooting • DPI Display shifted to the left and image flickering
I already added to the config.txt file the supposedly necessary lines according to my display's docs (https://www.waveshare.com/wiki/5inch_LCD_for_Pi) but the image is shifted to the right and there...
View ArticleTroubleshooting • Raspberry Pi 4 not showing up on IP Scanner
Hello everyone, I am reaching out to the forums after having searched the internet up and down for a solution, nothing worked. I am running:- Raspberry Pi 4, with a 128 GB SD card- 64bit OS flashed...
View ArticleGeneral discussion • Using RPI to broadcast a 2G signal for older phones
Hello!I have many unique, old cellphones that I would love to be able to use today in the United States, but am not able to due to their 2G and 3G architecture. I have AT&T for my iPhone, which...
View ArticleTroubleshooting • PI5 bluetooth audio profile is wrong - get mono
I have a headphone set - MPOW A59 LITE - that connect properly in stereo (A2DP - high fidelity) to 3 other PI 4's, but for some reason I am unable to get the A2DP profile when connecting these on my...
View ArticleCompute Module • CM5 memory ECC protection type? EDAC error reporting?
Hello, I'm evaluating the CM5 to create a ZFS based NAS, were ECC memory is very important, but cannot find detalis about the claimed ECC memory protection support on the CM5. From my understanding...
View ArticleTroubleshooting • [Raspberry OS] xrandr configuration not always correctly...
Hi,I use Raspberry OS Bookworm with X11 server.I configured it with autologin by modifying "/etc/lightdm/lightdm.conf" and setting "autologin-user=myuser"After that , I created a file "...
View ArticleSDK • SDK/picotool 2.1.1
200Mhz Clock Support for RP2040RP2040 has now been certified to run at a system clock of 200Mhz when using a regulator voltage of at least 1.15 volts.Notable Improvements • Sped up the coprodis...
View ArticleNetworking and servers • Mac is "unable to communicate" with RPi...
RPi 3B+ has a fresh OS and has been working fine. I can SSH to it from my Mac with no problem. But when I try VNC (via the Mac's Screen Sharing app or the "Connect to server" dialog), all I get is...
View ArticleNetworking and servers • Backing up the Pi on SD card with multiple USB drives?
Hello, First I hope This is the correct area to post this. I have no clue for this type of topic where to post at. I have a raspberry pi 4 on SD card with 8 USB drives. Yes I could of used a single...
View ArticleDevice Tree • RPi5 - devicetree and pins for MIPI CSI - clock available?
Hello,I'm trying to use non standard camera on RPi5. This camera initially was created for jetson orin, but 22 pin cable is compatible with RPi5.. almost. On the camera there is EEPROM memory that is...
View ArticleBeginners • How do I turn my raspberry Pi 0 2w into a xbox controller adapter?
My PC lacks blue-tooth and i wonder if it would be possible to use my Pi as a blue-tooth dongle so i can use my controller wirelessly and maybe to able to use multiple controllers with only one USB...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Will the RTC driver for RV3028 be...
I am unclear on the provenance of all of this, but in trying to interface an RV3028 RTC to my RPi 3B+ I have noticed some differences between the RV3028 and the DS3231 (ds1307 driver): Namely, there...
View ArticleGeneral • PIO won't generate 8-bit VGA signals
So I am developing a project which will need a VGA output at 640x480 at 8 bits / pixel (256 colors). The obvious choice would be to use the RP2350's PIO to make it happen so that's what I'm trying to...
View ArticleGeneral discussion • Using GPIO is PHP scripts.
I have been using a RPi 2B to monitor and control a solar changing system since 2017. It has worked great. I even posted it on Github and have gotten positive feedback form a few people. That was...
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