![]() ![]() My recollection was that wpa_gui came installed with Raspbian, but either my memory is wrong or they dropped it with this distribution. My router supports WPA but not all the phones, laptops, TVs, etc around the house can handle it so I’ve remained with that level of (in-)security. That’s not going to work for me because I just use WEP security. Clicking on the name for my house network presented a dialog box for entering the public shared key (PSK). A right click produced a list of wireless networks. In the upper right of the GUI there’s an icon for networking. I connected the OTG cable to the hub’s input and plugged in the keyboard, mouse and WiFi. The Zero booted fine and saw all the USB devices. I had a powered hub on my workbench to connect Arduinos to my desktop machine. With the correct version of the OS and cables connected properly, I finally got some success!! The Zero was running with keyboard, mouse and monitor. Raspbian Wheezy 5-15 or earlier do not support the Zero! Try Jessie instead While on the Adafruit page I reread everything to refresh my memory and found a notice: Yes, it’s printed on the board but the room was a little dark, and, well, I just didn’t see the labels. That is where I went to check which connector was power and which OTG. The Adafruit site is a good resource for the Zero. The standard USB ports and GPIO pins do not have that diode. The Pi Foundation recommends adding a blocking diode when powering a Pi through the GPIO ports. The Pi power circuit has a blocking diode on the USB power input to prevent dueling power supplies. I’m not sure I’d recommend doing this unless you’re absolutely sure you’ve only got a single power supply connected. If you’ve wondered about powering the Zero through the OTG port I can tell you it works. I discovered, with a bit of a red face, that I’d reversed the power and OTG cables. Still no success, so I looked a little closer at everything. NOMACHINE RASPBERRY PI 2 PS2My KVM is old enough that sometimes the kludge of USB to PS2 cables isn’t always recognized, requiring a reboot. The Zero booted and the monitor displayed the NOOB setup screen but neither the mouse nor the keyboard responded. Pi Zero connected to KVM with Pi 2 in corner I swapped out the WiFi dongle on the OTG for a USB to PS2 keyboard and mouse cable which in turn plugged into the KVM cable. I formatted the SD card, unzipped the NOOB file, and copied the resulting directory to the SD. NOMACHINE RASPBERRY PI 2 DOWNLOADThat was the slowest download of a 1 Gb file I’ve ever seen but it did finally finish. Off I went to the Pi web site for the newest version of NOOB. I put the SD card back in the Zero and got eight flashes. NOMACHINE RASPBERRY PI 2 UPDATEThe commands were the standard for updating a Linux system: sudo apt-get update Further searching suggested updating the SD card while running it on a GTZPi, which I did. The flashing LED meant the Zero couldn’t read the file system on the SD card. With power applied the activity LED lit… and then flashed eight times, went solid, flashed eight times, and repeated the pattern. I connected the USB On the Go (OTG) cable with a WiFi dongle and the mini-HDMI port to my keyboard-video-monitor (KVM) switch. One of the first hacks for a Zero just used an existing SD card from a GTZPi so I tried that. The speed difference between them was noticeable so I decided to dive in and further test the performance of the Zero.įirst Try Pi Zero with WiFi dongle on USB OTG My experience with the Pi family began with the Pi B+ and, shortly after that, the Pi 2. With no rush on delivery it eventually got here, and I finally got around to looking at it. There are a few Greater Than Zero Pis (GTZPi) already on my workbench so my purchase was driven by curiosity, not necessity. I ordered a Raspberry Pi Zero from Adafruit in their Startup Pack right after they were released. ![]()
0 Comments
|
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |