Questions tagged [pi-zero]

This refers to the single-core Raspberry Pi Zero, with 512 MB of RAM and smaller form factor than models A+/B+/2B.

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45
votes
10answers
34k views

Can I use Raspberry Pi as a USB peripheral device?

Raspberry Pi has a Micro USB port for power supply. My question is if this port is only for power purposes or can it be used for data as well? I would like to be able to attach my Raspberry Pi as a ...
18
votes
4answers
18k views

Current draw for +/2/3/0 models

Essentially "What's the current draw and supply voltage tolerance?" but for newer models.
4
votes
1answer
3k views

USB OTG Hub does not recognize devices at boot

I have an OTG hub like this sold for use by a reputable dealer for use with the Pi Zero. However, while it shows up in lsusb as an unidentified device with ID 214b:7000: Bus 001 Device 002: ID 214b:...
0
votes
1answer
1k views

Rpi Bluetooth Android Device Connection Pairing Problem

I'm trying to connect my rpi0 w to any android device via Bluetooth LE(low energy) , i can pair but i can't connect them ,an error always showed (Connection failed,No usable services on this device ) ...
1
vote
1answer
142 views

How to tap / tee / fork the Rpi GPIO pins covered / blocked by a HAT / pHAT / bonnet?

I have a blinkt pHat that covers the entire GPIO pin array and I'm trying to trigger changes to the LED array after an external prompt. I expected to use a momentary switch connected to the GPIO pins, ...
50
votes
13answers
106k views

What's the cheapest way to get network connectivity to the Pi Zero?

Since the Pi Zero doesn't come with an Ethernet port, I'm wondering what is the cheapest way to get reasonably fast network connectivity to the device? UPDATE By "network connectivity" I mean ...
3
votes
1answer
199 views

Connecting Pi-Zero W to Adafruit Powerboost 1000 through Extension Header or USB

As the title states I want to power my pi-zero with an adafruit powerboost 1000. I have looked into ways to do this and it seems there are 2 possibilities: Use the USB output of the powerboost to ...
19
votes
3answers
4k views

Can the Pi Zero act as an USB peripheral device?

Can the currently announced new member of the Pi family - the Pi Zero - act as an USB peripheral device? Obviously the schematics are not yet available and the blog entry linked above does not go too ...
3
votes
1answer
6k views

Connect Pi-Zero via USB RNDIS Gadget to Ubuntu 17.04

I'm trying to ssh to a Pi Zero via USB link. While this works as expected from my MacBook with OSX 10.10, I'm not able to ssh or ping the raspberry From a Linux Host over USB. What I did: On the ...
26
votes
1answer
6k views

Raspberry Pi Zero with Ethernet Over HDMI

The new Raspberry Pi Zero doesn't have any kind of wired Ethernet connection. Has anyone have tested if Ethernet over HDMI works? I did not find any info in the web or even what version of HDMI the ...
11
votes
2answers
11k views

Pi Zero Video out header

I'm still waiting to sort getting a Pi Zero, but a thought has just occured to me. The Pi Zero has 4 pins which are AFAIK something to do with video: So I have two questions: What is the pinout for ...
4
votes
4answers
13k views

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 ...
2
votes
1answer
546 views

Manually change MAC address on USB to ethernet module Pi Zero

Very unusual request here, I know you aren't normally meant to change your MAC address since it's burned into the interface you are using, but I am networking 2 raspberry Pi zeros together, each with ...
23
votes
1answer
4k views

Raspberry Pi Zero usable with fully free software?

In the Free Software Foundation's May 2013 review of single board computers, the Raspberry Pi was found to have fatal flaws for use in a free (libre) software environment: The Raspberry Pi requires ...
15
votes
9answers
74k views

What can I use to power my Raspberry Pi Zero with rechargeable battery?

Is there a 5 V rechargeable battery and cables compatible and comparative in size with Raspberry Pi Zero? I don't want to have to plug my Raspberry Pi in every time and nonrechargables get ...
7
votes
3answers
12k views

How do I add analog audio out to the Raspberry Pi Zero?

The currently announced new member of the Raspberry Pi family - the Raspberry Pi Zero provides only digital audio out via its HDMI connector. What are the options to add analog audio out to this model?...
16
votes
6answers
11k views

Powered USB hub for Pi Zero

I am going to buy the Pi Zero (when they have more in stock...) and with only one USB port I need a USB hub to connect my keyboard, mouse, and WiFi dongle. I probably won't be connecting anything else ...
7
votes
3answers
3k views

Does Raspberry Pi Zero have a polyfuse?

The question says it all. If you have a definite answer, it would be great if you could post a photo of the pi zero, where the fuse is pointed out.
0
votes
4answers
271 views

Weather proofing a Pi

I'm looking to deploy several copies of the Enviro hat around my garden to monitor temperature and light levels to study the optimal spots to plant new plants. How might I weatherproof the Pis without ...
0
votes
1answer
8k views

The Pi Zero W has 5v and 3v rails. What is the max current per GPIO pin on the 5V rail?

What is the max current per GPIO pin on the 5V rail of the Pi Zero W? Also, can I power a 5V relay (4 channel, each requiring 15-20 mA) from this rail? If not, does anyone know of a 4 channel relay ...
7
votes
2answers
4k views

Detect HDMI and Start GUI

We build an applications that supports a server mode and a GUI mode. Now the XServer and the application should start, if a HDMI Cable is connected otherwise it should only run the server. So whats ...
5
votes
2answers
16k views

Raspbian Stretch with MariaDB

For the last 6 hours I have been trying to install MariaDB on my Raspberry Pi Zero. I am using the latest Raspbian Stretch. The problem is that the configuration menu for MariaDB doesn't show up ...
3
votes
2answers
7k views

Underclocking PiZero for power saving worth it?

How much power does the PiZero consume on it's lowest possible cpu clock setting (underclocked)? (Let's say the only usb add on is a wifi dongle.) And... is it worth it?
6
votes
1answer
4k views

Unable to configure a Raspberry Pi Zero as a USB Mass Storage Device using g_mass_storage

I have been trying to get my Raspberry Pi Zero to behave as a USB Mass Storage Device, following https://gist.github.com/gbaman/50b6cca61dd1c3f88f41 and other online documentation. Steps to reproduce:...
6
votes
6answers
5k views

How do you configure the Pi Zero to act as a USB webcam using the plug in camera?

There are lots of guides which tell you how to configure the raspberry Pi Zero as a mass_storage device or Ethernet device, most of these mention the ability to make the Pi act as a webcam but none ...
2
votes
1answer
933 views

Trying to get SSH over USB to work (Raspberry pi Zero W)

I'm trying to connect to my Raspberry Pi Zero W using SSH over USB. I've seen other people do it, and I have tried multiple different tutorials over the last few days, but none of them worked. I've ...
1
vote
2answers
1k views

PiFm on raspi-zero

I'm having some issues with PiFm on the raspberry pi zero - I found this thread but nothing to alleviate my problem. PiFM not working for me I installed PiFm on a raspi-zero and it seems to be ...
1
vote
0answers
439 views

Micro SD card doesn't boot on Zero, but works on Pi3

So I've got this 32GB micro SD card, with Jessie Lite installed on it. It won't boot on any of my Raspberry Pi Zero W's or Zero, but its just fine on my Raspberry Pi 3. Literally nothing happens when ...
7
votes
2answers
2k views

Raspberry Pi Zero - Is it USB OTG, or just a female micro USB connector?

I can't seem to tell if the Raspberry Pi Zero's female micro USB port is and/or requires USB OTG. I see a lot of people talking about USB OTG on the Zero, but the specs I've seen don't mention USB ...
6
votes
1answer
16k views

How to change permissions on external hard-drive connected to Raspberry?

I am following this tutorial to create Samba Share on my Raspberry Pi Zero. My problem is at this step: "Make sure your user is the owner of the path you are trying to share via Samba sudo chown -R ...
5
votes
1answer
525 views

Pi Zero OTG with backup power?

I have my Pi Zero connected to my laptop in OTG mode and it is scheduled to take temperature readings every 5 minutes, then send the data to the laptop on the hour. I was wondering if I was able to ...
4
votes
2answers
2k views

Is there a max current that can be supplied when powering the Pi from the pins?

I want to power my Pi Zero from the header pins, pin 2 and pin 6 specifically. I know that my Pi Zero can consume up to 120mA, and my power supply can provide up to 500mA. I've heard that the 3.3v ...
3
votes
1answer
2k views

How can you setup wifi without a usb hub on a Pi Zero?

I want to setup wifi on my new Pi Zero, and I do not have a powered USB hub. My keyboard/mouse takes up the only USB port, so I do not have another port to add a wifi dongle. I would prefer not to buy ...
3
votes
1answer
1k views

IPv4 forwarding from RPi 2 to RPi Zero via OTG cable

I am trying to use my Raspberry Pi Zero together with my Raspberry Pi 2 and I want to share network access from my Raspberry Pi 2 to my Raspberry Pi Zero. I can easily create a local network ...
3
votes
2answers
1k views

Which Raspberry pi OS images support ENC28J60 ethernet port natively?

Which Raspberry Pi OS images support ENC28J60 Ethernet adapter natively? If none, how can this be installed via the command line and on which OS image?
2
votes
1answer
294 views

Why isn't my forced MAC address change working?

I'm working with Raspberry Pi Zeros on a subnet. I bought external Ethernet adapters for each one to connect them to one another. Unfortunately, these ethernet adapters all came with the exact same ...
2
votes
1answer
8k views

Powering Raspberry Pi Zero from a USB Power Bank

I want to purchase a USB Power Bank, one of the tiny portable ones, to power my Pi Zero, I need it to last at least 12 hours, but preferably 15 hours, for a comfortable safety cushion of time. My Pi ...
2
votes
1answer
621 views

SIM800 GSM Module To Raspberry Pi UART Serial Communication Problem

I am new to Raspberry Pi Zero and I want to connect it with a GSM module for GPRS connectivity. I bought the SIM800A GSM module but its LED is not even blinking one single time. I am able to turn on ...
2
votes
2answers
996 views

Establishing how to power on a HAT using GPIO

I have a combined GSM/GPS HAT and a Pi Zero. I can turn on the HAT manually using the power button, but would like it to power on at boot via /etc/rc.local. I can do something along the lines of this, ...
2
votes
1answer
650 views

Do I need an amp if I'm using a PHAT DAC on my Pi Zero?

I've bought a Pimoroni PHAT DAC for my Raspberry pi zero and despite weeks of searching I can't find a definitive answer on whether I need to get an amp breakout board too like this guy http://...
1
vote
2answers
2k views

Power on modem at boot

I have two modem HATs. HAT A is one of these: https://www.itead.cc/wireless/gsm-gprs-and-wifi/raspberry-pi-sim800-gsm-gprs-add-on-v2-0.html HAT B is one of these: https://www.waveshare.com/product/...
1
vote
0answers
85 views

MCP3008 outputting just 0

I've been messing with raspberry pi, and I am learning about interfacing it with analog devices. I am using the MCP3008 for that and following this tutorial here. I wired it up like the pictures below:...
1
vote
2answers
7k views

Can the Raspberry Pi Zero be powered by a real usb port?

I have a powered USB hub. Can I use it to power the Raspberry Pi Zero using up just one Micro USB port? Or does the power have to come from one particular port that is only used to provide power?
1
vote
1answer
99 views

WaveShare WM8960 Audio Sound Card / HAT Installation on Rpi Zero W Problem

I recently bought the WaveShare WM8960 Audio HAT said compatible with Raspberry Pi Zero W. The install complete without trouble, I can see that the soundcard is installed by typing sudo dkms status ...
1
vote
2answers
86 views

Rpi GPIO Push Button Circuit Grounding Problem

I have a little project where I power my Raspberry Pi Zero using a 12v Battery, via a small 12v to 5v regulator I bought from eBay. I am going to connect a push button to the Pi as in the following ...
1
vote
1answer
34 views

RC522 modules stop working when more than 2 are connected

So, here's a synopsis of what I am trying to do. I want to put 3 RC522 readers side by side inside of a book, facing the cover, that will be constantly on, using a Rpi zero W. When an RFID chip gets ...
1
vote
2answers
1k views

Is halted a viable state for a battery powered pi zero long-term?

I'm building a battery powered device with a pi zero. The battery is a 3.7v LiPo w/ 2000mAh. I want to be able to safely shutdown and restart the pi using a single switch or button. (preferably ...
1
vote
3answers
2k views

Dell USB keyboard not working with my Pi Zero

I just got my Pi Zero and I am going through the setup process with the mouse which is working fine but then when I switch over to my keyboard it doesn't work at all. I am using an iPad wall adapter ...
1
vote
1answer
1k views

What is the cheapest way to get gigabit ethernet on the Pi Zero?

The Raspberry Pi Zero does not come with an ethernet port. For my experimental router project, I need to connect the Pi Zero to a wired network where the Pi Zero will act as a router for many ...
0
votes
1answer
13k views

Kernel panic - not syncing: VFS: unable to mount root fs on unknown-block (179,2)

I get the following when I try to boot my new Raspberry Pi Zero using Raspian Jessie that I just downloaded from here. The RPI appears to be unresponsive at this point. It's a new Raspberry Pi Zero ...