74
votes
Accepted
How do I make serial work on the Raspberry Pi3 (PiZeroW, Pi4 or later models)
This answer is still correct, and explains in more detail the nature of the changes, but most users of current Raspbian should just run sudo raspi-config Select Interfacing Options / Serial then ...
- 58.7k
45
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 ...
- 1,038
37
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#...
- 471
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 ...
- 439
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 ...
- 1,038
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 ...
- 283
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 ...
- 319
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, ...
- 161
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 ...
- 151
14
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 ...
- 58.7k
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 ...
- 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 ...
- 41.9k
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 ...
- 366
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 ...
- 3,506
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 ...
- 34.6k
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 ...
- 58.7k
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. ...
- 41.9k
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 (...
- 101
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 ...
- 426
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....
- 2,726
7
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 ...
- 71
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 ...
- 171
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.
- 1,251
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.
- 71
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
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 ...
- 70.6k
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.
- 372
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 ...
- 824
6
votes
Accepted
Miniconda for ARMv6 (Zero W)
Berryconda is the way to go!
See
https://github.com/jjhelmus/berryconda
- 211
6
votes
How to connect to WiFi without reboot?
I'm using a Raspberry Pi 3 with 2018-03-13-raspbian-stretch and my issue is marginally different, but I found a solution, so I think this can help you too.
I boot the RPi with /etc/wpa_supplicant/...
- 111
Only top scored, non community-wiki answers of a minimum length are eligible