General • Re: How to get RP2040 to go to sleep
The RP2040 clocking system is not ideal for power reduction. The sleep power is also potentially leaky on this version. I would use a decent size lithium battery with this or use external power...
View ArticleOther projects • Re: Interfacing the RS232 to TTL converter with Raspberry Pi...
Code: import machineimport time# Define serial portuart = machine.UART(0, baudrate=115200, tx=0, rx=1, timeout=1000)# Main functiondef main(): while True: try: radar_data = uart.read(22) if radar_data...
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Troubleshooting • Re: Raspberry Pi 4B red indicator light from on to...
Your board looks like a version before the PMIC was changed to a different one. The earliest schematic I can find is at https://web.archive.org/web/20211017004 ... matics.pdf. Your capacitor appears...
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General discussion • The end of the cross device SD card compatibility?
One of the very convenient capabilities of the legacy Raspberry Pis was that one could for example clone a configured SD card from a Raspberry Pi 4 and put it into a Raspberry Pi 3a or a Raspberry Pi...
View ArticleRaspberry Pi OS • Re: Messing around with "overscan". A blast from...
Thanks, dom. That sounds right. I'll post back here if/when I get a chance to compile and test that program on the target Pi setup.Statistics: Posted by BigRedMailbox — Sat Jun 15, 2024 7:16 am
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General • Re: Help with Pico ADC project
Here is some photos of the project and the progress, along with some indication of the cables and GPIOs used etc.Statistics: Posted by deanfourie1 — Sun Jun 16, 2024 4:14 am
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Troubleshooting • RaspberryPI errors during sudo apt update
Any help appreciated. I have a Raspberry3 with bookworm This page did not help: https://forums.raspberrypi.com/viewtopi ... d5f9547dbd cat /etc/resolv.conf# Generated by NetworkManagersearch...
View ArticleTroubleshooting • Re: RaspberryPI errors during sudo apt update
check your pi-hole settings for what dns you have set.ortemporarily disable pi-holei also recall you can white list sitesStatistics: Posted by kerry_s — Sun Jun 16, 2024 4:56 am
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Troubleshooting • Re: New Pi won't show desktop
I've gotten it to a state I can use.In the config file I commented out dtoverlay=vc4-kms-v3d. I had done this before, without success. By chance I saw a screenshot of someone else's config. I...
View ArticleNetworking and servers • Re: Both access point and Wi-Fi connection on the...
AP-STA sounds good and there are effects. Using a WiFI device for both in and out halves the speed. You see the same effect when using a repeater with just one WiFi chip. The dual use of the WiFi chip...
View ArticleBeginners • Do I need a pull up R for the GPIO PIN that goes to the data of...
I'm using single addressable led SK6812MINI-E http://yushakobo.jp/ds/YS-SK6812MINI-E.pdf and I was wondering if the pin that goes from a RP4 GPIO PIN to the DATA port of the led needs to be pulled up...
View ArticleBeginners • Cannot copy files via Pi File Manager to NAS Share
Using a Pi 4B, OS updated this morning.I am able to mount my NAS's SMB share in the File Manager, and can copy files from the NAS to the PI's desktop via drag and drop with no problems.However, if I...
View ArticleCamera board • Re: OV5647 can't be found by gst library on bullseye 64bit
Presumably that is looking for a simple V4L2 device to use with GStreamer. I tried below binary commands, it seems video0 can be found. But it can't be found in python code using gst plugin...
View ArticleBeginners • Re: Cannot copy files via Pi File Manager to NAS Share
some times the file manager doesn't refresh/reload/update the contents right away, try pressing f5 to force reload.also seems you can ssh in, maybe try sftp in the file manager, ive found that to be...
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Beginners • Re: How to make my raspberry pi 3a+ more responsive
Put it on ebay and order a Pi5? Statistics: Posted by kip_the_elder — Sun Jun 16, 2024 7:12 am
View ArticleBeginners • Re: Do I need a pull up R for the GPIO PIN that goes to the data...
The GPIO pins are not supposed to have 5V on them, pulling to 5V could damage your Pi4. The internal protection diodes on the input will attempt to clamp to less than 5V but the diodes do not last...
View ArticleNetworking and servers • Using a pi 3b+ as in-car 4g router / info unit.
Hey Everyone,Hope you're all having a great day!I am looking to create a simple info unit for my car. I am looking to use an Android Operating System running on my Raspberry Pi 3B+ to give it access...
View ArticleNetworking and servers • Re: nmcli, Network Manager CLI, has naming problem.
For real devices, wlan1, the ifname has to be the device name. For made up devices, the bridge, the ifname can be make up. Some of the examples must be written for systems where the device name has...
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Troubleshooting • Trouble Communicating With A CAN Network
The setup: 2X MCP2515 chips with ATA6561 transieverhttps://seengreat.com/wiki/82/dual-ch-can-haton a Raspberry Pi 5Trying to connect to a 2013 Ford Fusion through the radio node. The Pi is to replace...
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Troubleshooting • Raspberry Pi 5 - Power supply in the car - 12V DC available...
Hello,I am struggling with powering Raspberry pi 5 from anything other than official AC -> DC 5V/5A power supply.My goal is to make RV control system, so I need this device to be powered from 12V...
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