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1500 questions
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6 answers

SD Card Showing as 30 MB on a 32 GB Card. Can't Format, Can't create a partition table

A couple of days ago I received a new 32 GB SD card from Sandisk. Upon arrival, I flashed the Retropie 4.1 image for the Pi Zero onto it. I then put the card into my Pi, and plugged it in. Nothing. It would not boot. I then took it out, and plugged…
thatoneguy245
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5 answers

Inverted GPIO Touchscreen (Using 99-calibration.conf)

I bought yesterday my first 3.5" Touchscreen for my Raspberry Pi. (Elegoo 3.5 inches TFT LCD Touch Screen Monitor) On my Raspberry runs an OctoPrint Image (Raspbian based). The Display is working. My problem is the touch function; it's kind of…
Kevin
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3 answers

Pi won't boot after initramfs update

I have been trying to get Raspbian Jessie, installed from the image to boot with an encrypted root partition. I was successful in following the guide here. When I boot the Pi, it drops to an initramfs prompt, then I unlock the partition with #…
richarddmorey
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5 answers

Does the Raspberry Pi 3 regulate the voltage on its 5V pins?

I need to supply 5v analog power to an adc. I am supplying the pi with Li-ion batteries, so the voltage falls over time, but does remain within range of the pi's required input. If the input voltage falls below 5v, i.e. 4.9V would there still be 5V…
RPGuest
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2 answers

Is this idle temperature normal for the RPi 3?

I've just setup a raspberry pi 3 and found out that, on idle, the temperature is about 48 C (measured with vcgencmd measure_temp). On a raspberry pi B+ with the same enclosure and in the same environment I measured 37 C. Is this normal? The ambient…
Matteo
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9
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2 answers

How to remove thermometer in Raspbian 8 jessie PIXEL

I am using a raspberry pi 3 with raspbian 8 jessie (pixel). I have chromium running in kiosk mode but I noticed that the thermometer appears on the top right of the screen to indicate that the PI is running hot. How do I disable the thermometer…
cyberjar09
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9
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3 answers

Raspberry Pi Zero Battery Life With 4400mAh battery

Like many other Raspberry Pi Zero users out there, I have decided to make a portable retro gaming handheld. One of the larger concerns for me when it comes to this is battery life. The Zero has very little power consumption, although I would love to…
thatoneguy245
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2 answers

Ext4-FS error on Raspberry Pi randomly

I am getting EXT4-FS error on Raspberry Pi 3 randomly. I am attaching a screenshot from the display here:. After every restart it works normally for a few hours and then crashes. I am running latest version of Raspbian on it. Pi is powered through…
Shimano
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9
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3 answers

GPIO pin voltage is too low to energize relay

I am trying to toggle a small relay on and off. I have connected a GPIO pin and GND directly to the relay. I can hear the relay clicking, when I set the GPIO pin to HIGH. However, the relay only rarely lets a signal through. It works some times, but…
Andreas
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9
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4 answers

RetroPie & PS3 Controller over Bluetooth

I've got a Raspberry Pie 3 (w/ built-in BT), and RetroPie 4.0.2 is installed and working on it. I've got 2 brand new PS3 controllers (I do not own a PS3) and they work with the RetroPie over the USB cable just fine. I want to get them working over…
Chris Barr
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9
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2 answers

Custom firmware on Raspberry Pi?

Is there a way to use the Raspberry Pi like an Arduino? That is, without an operating system? Just connect it to the USB of your computer and download code onto it, and the next time the Raspberry Pi boots, it runs that program (infinitely). Just as…
deepak
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9
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3 answers

Using openbox to autostart GUI application Raspberry Pi 3

I'm trying to use openbox to customize my raspberry pi 3. Basically, what I want to do is start an openbox session on boot up and have openbox autostart a GUI application. This is what I have so far in ~/.config/lxsession/LXDE-pi/autostart I…
unconditionalcoder
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9
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1 answer

Running a webpage on startup

I have a touchscreen based kiosk application running on my raspberry pi. In this application I need to load a webpage , which once opened will load a user interface. Now, my question is how do the make the raspberry pi load this page directly on…
bobdxcool
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9
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1 answer

What are the ID EEPROM pins and what can they be used for?

I understand that it's a type of ROM, but is there more to it? How can it be used for?
Diogo Magalhães
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1 answer

Receiving files from Android via Bluetooth?

I currently have an Android application that is paired to my Pi via the Bluetooth dongle. In order to receive a file, I have to manually accept for the transfer to occur. Is there way to bypass this step? Or to have all the transfers automatically…
user1487000
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