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46 votes
Accepted

Power consumption of Pi Zero W?

Based on the measurements made by RaspiTV, here are some estimates: 100 mA: No peripherals connected, WiFi And Bluetooth off 160 mA: Bluetooth turned on 170 mA: WiFi turned on 230 mA: Camera ...
Ricardo's user avatar
  • 1,048
39 votes

How to connect to WiFi without reboot?

As of 2018, the previous answers don't work anymore, you need to run the following command: sudo wpa_cli -i wlan0 reconfigure Source: https://www.raspberrypi.org/forums/viewtopic.php?t=198274#...
user000001's user avatar
33 votes

How to connect to WiFi without reboot?

I too saw this issue with my RaspberryPi Zero W using 2017-09-07-raspbian-stretch-lite. Updating the wpa_supplicant.conf file, sudo wpa_cli reconfigure, and sudo systemctl restart wpa_supplicant did ...
Will Haley's user avatar
22 votes
Accepted

Set up a Raspberry Pi Zero W without monitor or ethernet module

That's a tough one. The WiFi won't automatically connect. So I would try the following: Image a micro SD card with the Raspbian OS image using Win32DiskImager. Manually configure your WiFi from ...
Ricardo's user avatar
  • 1,048
22 votes

Raspberry Pi Zero W headless using wpa_supplicant.conf not working

The accepted answer does not give a solution to anyone having this problem. From a point on (maybe debian jessie?), the /etc/wpa_supplicant/wpa_supplicant.conf requires these lines on top of the ...
xavigisbeg's user avatar
21 votes

How do I make serial work on the Raspberry Pi3 (PiZeroW, Pi4 or later models)

finally this got work for my pi3 (os: debian jessie) please follow these 6 steps carefully. Step 1 - Install Raspbian Jessie onto a SD card and boot the Pi when connected to a network Login via ...
naseer mohammad's user avatar
16 votes

Set up a Raspberry Pi Zero W without monitor or ethernet module

You are looking for information on running "headless". There are details on this on the raspberry pi site. https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=161202 Basically put a file, ...
Will Allen's user avatar
16 votes

How do I make serial work on the Raspberry Pi3 (PiZeroW, Pi4 or later models)

Raspberry Pi4 UART The BCM2711 used in the Raspberry Pi 4 Model B, the Raspberry Pi 400, and the Raspberry Pi Compute Module 4 has 4 additional UART (uart2-uart5) in addition to uart0/1 on the older ...
Milliways's user avatar
  • 60.7k
15 votes

Power consumption of Pi Zero W?

I'm currently testing my RPi Zero W with temp, humidity and barometric pressure sensors hooked up. I have two 3,000 mAh batteries wired in parallel. They also go through an Adafruit regulator. Once I ...
axslinger's user avatar
  • 151
11 votes

How do I make serial work on the Raspberry Pi3 (PiZeroW, Pi4 or later models)

Naseer's answer is correct but a bit elaborate if you just flashed the latest rasbian. All I needed to do, is just to add the following line to my config.txt (from e.g. windows where you plug in the ...
Arnout's user avatar
  • 211
11 votes
Accepted

Raspberry Pi Zero W as a WiFi repeater

This setup is DEPRECATED and no longer maintained! Look at Access point as WiFi repeater, optional with bridge for a more flexible setup. It is possible to use the wifi device on a Raspberry Pi as an ...
Ingo's user avatar
  • 42.3k
10 votes

How can I find the MAC address of my Wi-Fi interface?

Enter in terminal/console ifconfig wlan0 At the end of the first line should be the hardware address aka MAC. Here a sample output (German locale): pi@RasPi0w-1:~ $ ifconfig wlan0 wlan0 Link ...
LotPings's user avatar
  • 366
10 votes

How to make PCM5102 DAC work on Raspberry Pi ZeroW?

On these purple PCBs there are 5 sets of bridging pads. On the front (component side) there is one pair of pads which may be bridged to tie the SCK (system clock) low. This will force the PCM510x to ...
riban's user avatar
  • 101
10 votes
Accepted

Ubuntu 18.04 on Raspberry pi zero w?

According to the Mate website you will need a Pi2B / 3B(+) or later to run any Mate version. It does not run on the single processor (BCM2835) models Ubuntu MATE for the Raspberry Pi 2 and Raspberry ...
Dirk's user avatar
  • 3,541
9 votes
Accepted

Which distro for Raspberry Pi Zero W?

If you don't need the graphical capabilities of the full Raspbian distro, I would recommend Raspbian Lite. Raspbian, has the largest user base and hence the most projects and tutorials available. The ...
Steve Robillard's user avatar
9 votes
Accepted

How can I find the MAC address of my Wi-Fi interface?

The following is a fragment of a bash script I use to determine the MAC of Ethernet, or if this does not exist of WiFi (for Pi Zero W). It does not rely on ifconfig or any other method of detecting ...
Milliways's user avatar
  • 60.7k
9 votes
Accepted

Switch between wifi client and access point without reboot

Access point and client mode are both running as services so we should use systemd-networkd to switch off one service and switch on the other. With its options we are able to do it without rebooting. ...
Ingo's user avatar
  • 42.3k
8 votes

Set up a Raspberry Pi Zero W without monitor or ethernet module

You can drop in a wpa_supplicant.conf file in the boot directory before installing the SD Card into the Pi. When the Pi boots up, the file /etc/wpa_supplicant/wpa_supplicant.conf will be overwritten (...
Brian Warmerdam's user avatar
8 votes
Accepted

How to make PCM5102 DAC work on Raspberry Pi ZeroW?

I was able to make this unit work with my Raspberry Pi 3 using volumio and osmc without the need of any software tweaking. I must say that it sounds very good on both distributions. While using both ...
Kamran Sethi's user avatar
7 votes

Set up a Raspberry Pi Zero W without monitor or ethernet module

You can SSH in from USB after some configuration. This assumes you're not using NOOBS. Doing this with a NOOBS SD card is a little harder and (to my knowledge) impossible on Windows. First, the ...
anonymoose's user avatar
7 votes

How can I find the MAC address of my Wi-Fi interface?

Many distros is replacing ifconfig with ip so I would discourage the use of ifconfig. To show the wlan0 interface: ip link show wlan0 or cat /sys/class/net/wlan0/address Ref: https://www.linux....
MatsK's user avatar
  • 2,809
7 votes

Using 5v device on 3.3v

This device is and open collector sinking (see the datasheet). That mean that you need to connect a pull-up resistor on the output. So if you connect the output pull-up resistor to the Pi 3.3V and the ...
Foxrider83's user avatar
7 votes
Accepted

Do I need soldered headers or can I just use male breadboard pins?

They will need soldering to the VEML6075 otherwise the connection will be intermittent at best and more likely non-existent.
Bra1n's user avatar
  • 1,251
6 votes

RPI zero W as both Wifi client and access point

It is perfectly possible. Look at the link. Note that the channel used must be the same on the access point and on the Wi-Fi. link rpi3 wifi-client-ap
Alfredo Pons Menargues's user avatar
6 votes
Accepted

Boot Zero W from USB device

EDIT: This is possible if the Zero/Zero W is set up to act as a USB device and gets the boot files from a host machine that it's plugged into. See Janghou's answer below for details. The rest of this ...
anonymoose's user avatar
6 votes

No video for Raspberry Pi Zero W

Same issue a few days ago. Order of plugged in peripherals mattered. Making sure video out was connected before connecting power.
alrightmight's user avatar
6 votes
Accepted

gpiotest problem and gpio 30

That is a fault in pigpio/gpiotest and/or the hardware revision returned by the Pi Zero W. gpiotest relies on pigpio to tell it which GPIO are safe to write. pigpio relies on the hardware revision ...
joan's user avatar
  • 71.3k
6 votes
Accepted

Raspberry Pi Zero W headless using wpa_supplicant.conf not working

Went with PiBakery (which is awesome). Just installed Jessie Lite and I am now hooked up to the WiFi. Completely headless.
MortenMoulder's user avatar
6 votes

Cannot set up WiFi on Raspberry Pi Zero W running Stretch

To get the WiFi working on a Pi Zero W only requires minimal config for Raspbian Stretch. The only file you need to modify is /etc/wpa_supplicant/wpa_supplicant.conf and this file needs to contain ...
Pierz's user avatar
  • 842
6 votes
Accepted

Miniconda for ARMv6 (Zero W)

Berryconda is the way to go! See https://github.com/jjhelmus/berryconda
VaNa's user avatar
  • 211

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