Automation, sensing and robotics • Re: RFID Reader Question
If you own an oscilloscope, then look for the signals on the D0, D1 lines.And check the voltages, there could be 5V on these lines.No oscilloscope, then- look for a nearby hackspace, there could be...
View ArticleGraphics, sound and multimedia • Re: I'm using a USB mic with Raspberry Pi to...
I’ve seen one of the iPhone sound level apps claim that they’ve calibrated their app with each model of phone. This supposedly makes it accurate. Would that be possible or is it just marketing?The...
View ArticleGeneral discussion • Re: Ram price hikes.....killing RPi sales?
I tend to buy SD cards about 10 at a time. Unfortunately, last time I did that was shortly before the official RPT cards were announced. Still...they're A1 class and that's as good as it's going to...
View ArticleNetworking and servers • RPi4 104 Mbs only
Hi, on my linux PC I am getting very nearly 1 Gb on speedtestbut on my RPi4 connected to 5G wireless only just over 100 MbsCode: Me@RPi4:~ $ nmcli device wifiIN-USE BSSID SSID MODE CHAN RATE SIGNAL...
View ArticleNetworking and servers • Re: RPi4 104 Mbs only
540 Mbit/s is lowest level OSI layer 1 speed (PHY). That is how WiFi specified and communicated. When channel coding and packet-loss collisions re-transmits etc are also taken into account, which is...
View ArticleGaming • Re: Old games vs new games
After playing through all the Resident Evil games, I now have my favorite Resident Evil games.I played the early games 20 years ago or when they came out. Replayed the games to remember better! Here...
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MicroPython • Pico 2W and mfrc522
Is my RFID read/writer broken? LED is on, but I assume that's just for the power. Currently following a guide (https://docs.sunfounder.com/projects/pi ... _rfid.html) that was a part of my kit. I seem...
View ArticleMicroPython • Re: Pico 2W and mfrc522
Your images seem to be links to your email account. I don't think anyone else but you can see theseStatistics: Posted by DirkS — Sun Feb 08, 2026 8:37 am
View ArticleTroubleshooting • Re: Pi 4B not showing anything on hdmi outputs
Remove from the case, disconnect any fans, try again. IPA won't harm the device, but the case might have.Statistics: Posted by jamesh — Sun Feb 08, 2026 8:41 am
View ArticleRaspberry Pi Connect • Re: using screen sharing shows blank gray screen
Based on the answers here: https://github.com/labwc/labwc/issues/3352Is seems that RPI team is working on this.Would be great to know when this will be fixed...Statistics: Posted by nick-mtg — Sun Feb...
View ArticleTroubleshooting • Re: CUPS shows connection page after selecting local printer
Hey, as a quick check, under Administration, instead of Add Printer, can you try Find New Printers and select the USB printer you want from there?I had this problem with CUPS 2.4.10 but this...
View ArticleNetworking and servers • Re: SSH password fail
Graphically speaking, LocalSend is a great choice. I use it for all of my computers (different OS's) and my phone. In mac terms it's an open source AirDrop. Any platform, any OS.More services I tried...
View ArticleTroubleshooting • Re: Sudo apt update
Good news regarding WiringPi 3.18:The library is now actively maintained by new developers and has been updated with compatibility for modern Raspberry Pi generations, including the Pi 5. The 3.18...
View ArticleAutomation, sensing and robotics • Re: Rain Sensor Modification.
Would you then need to work out the new calibration based on the new area you are collecting from ?Because if you change the catchment area, your rate of rain collection has increased.That wind could...
View ArticleTroubleshooting • Re: .sh script behaving different in terminal than when...
Just a guess, but this looks like a "sh vs. bash" thing.Often, you run into the situation where if your script doesn't have a #! line, then it gets executed with /bin/sh, which is reasonable, but...
View ArticleGeneral discussion • Re: Does 2nm make a difference?
The other potential advantage of smaller silicon is cutting more chips from the one silicon sheet. I do not know how that compares to the increased cost of tighter lithography.The way I see it, there...
View ArticleOfficial Display • Touch screen 7 with HAT
Hello!New here and quite new to Raspberry Pi! I have found similar topics but wanted to get some help on making sure I don't waste money.I am looking to use both a touchscreen powered from a Raspberry...
View ArticleCamera board • Re: ScalerCrops min and max values
We aim to keep the control ids stable. However, since the libcamera API is not yet stable, there is a very small possibility it may change in a future release. For now, I think it's best to check by...
View ArticleRaspberry Pi OS • Re: Mount a usb mass storage device
Note that this thread seems to be bouncing back and forth between:1) Why doesn't it just automount - like it does in Ubuntu? And, how can I fix it so that it does automount?and2) How can I mount it...
View ArticleKeyboard computers (400, 500, 500+) • bootloader config: Default values missing?
Using rpi-eeprom-config (or vcgencmd bootloader_config), not all values are shown. I can't see a clear picture on which ones are here, and which ones not. For example, WAIT_FOR_POWER_BUTTON is...
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