rPi Zero

[last updated: 2022-10-25]
raspberry Pi home page
(link to:) rPi v.1.3 Adafruit 2885
(see below for 4-port hub)
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• This is a miniaturized rPi. It has the same I/O and programming, but only has one USB port
  (though see 4-USB port expansion shield Adafruit PID: 3298).
  It has a mini-HDMI port for video.
• There are several versions of this model. My initial purchase (2018-08) was Adafruit 2885, v1.3
  There is No Wifi or Bluetooth on this model
• Later (2019-11) I got a rPi Zero-W Adafruit PID: 3708 w/ headers
• I have a case for it, Adafruit PID: 3252



• From raspberryPi.org:
  The Raspberry Pi Zero W extends the Pi Zero family. Launched at the end of February 2017, the Pi Zero W has all the functionality of the original Pi Zero, but comes with added connectivity, consisting of:

  802.11 b/g/n wireless LAN
  Bluetooth 4.1
  Bluetooth Low Energy (BLE)

  Like the Pi Zero, it also has:

  1GHz, single-core CPU
  512MB RAM
  Mini HDMI and USB On-The-Go ports
  Micro USB power
  HAT-compatible 40-pin header
  Composite video and reset headers
  CSI camera connector

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• 4-port Hub:
  • Adafruit 3298 (link to:) 4-port hub Adafruit 3298
  • USB and power connection to the rPiZero are through "pogo" pins between the boards.
    Alternatively, USB and power can both be supplied separately to the hub.
  • Power for 4-hub board comes from the rPiZero. It does not need its own power connection.
          OTOH it does have a JST XH2.54 plug input to accept 5v power.
  • Each of the 4 USB ports has its own white LED activity indicator.
  • A ferrite ring must be placed over the ... pogo pins for the rPiZero-1.3.
  • When using Zero4U with Raspberry Pi Zero, Ethernet gadget should be disabled, or the USB hub may not be recognized.

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