Raspberry Pi Model B+ Review

Hardware Compatibility

I tested some Mikronauts products and five WiFi USB sticks for Raspberry Pi Model B+ Compatibility.

1) RoboPi advanced robot controller – stacks on top of the Raspberry Pi

RoboPi running on Raspberry Pi Model B +

The mounting holes were different, and the board was offset about 9mm – but RoboPi still worked well with the Raspberry Pi Model B+ !

For more details, please see https://www.mikronauts.com/2014/07/29/raspberry-pi-b-with-robopi/

2) Pi Jumper and Pi Jumper Plus breakout boards – stacks on top of the Raspberry Pi

Pi Jumper on Raspberry Pi Model B +

Pi Jumper plugged right in, and just worked. You can only access the 26 GPIO pins, however due to the extra tall stacking header, it fits on those perfectly!

For more details, please see: https://www.mikronauts.com/2014/07/17/raspberry-pi-b-with-pi-jumper/

 

Pi Jumper Plus on Model B+

Sorry about the overexposed breadboard – I was spot metering on the stacking header needed to use the IDC cable for Pi Jumper Plus on a B+

To use Pi Jumper Plus with the Raspberry Pi Model B+ I needed to add a stacking header between the 40 pin GPIO header and the IDC connector.

For more details, please see: https://www.mikronauts.com/2014/07/17/raspberry-pi-b-with-pi-jumper/

3) EZasPi  prototyping board – stacks on top of the Raspberry Pi

Raspberry Pi Model B+ with EZasPi

More about EZasPi on Raspberry Pi Model B+: https://www.mikronauts.com/2014/07/17/raspberry-pi-b-with-rev-2-proto-board/

As you can see, it fits – however the mounting holes are for the rev.2 boards, and due to the new mounting holes, the header is offset about 9mm.

EZasPi Product Page: https://www.mikronauts.com/raspberry-pi/ezaspi/

4) EZasPi (B) prototyping board – stacked below Rev.2+ Model A/B Raspberry Pi’s

Due to the lack of a J5 on the Model B + it is not possible to stack EZasPi (B) below the Model B +

Fortunately the EZasPi (B) prototyping board can still be used to develop additional circuitry, and can be connected to a Model B + with four wires (I2C) or six wires (SPI).

The EZasPi that stacks on top of the Raspberry Pi, and Pi Jumper, both have four pin I2C connectors which can be used to connect to EZasPi (B)

5) USB WiFi stick testing of Raspberry Pi Model B+

Raspberry Pi Model B+ WiFi Adapter Tests

For the most up to date results, please visit the actual article at:

https://www.mikronauts.com/raspberry-pi/pi-usb-wifi-tests/

Raspberry Pi WiFi Adapter Test Results as of August 4, 2014:

USB WiFi Stick Chipset Model B+ Model B Model A
Netis WF-2111 Realtek ??? YES YES YES
Patriot PCBOWAU2-N Realtek RTL8191S YES NO YES
LEGUANG LG-N18 ? Ralink rt2x00 YES NO YES
RetailPlus+ WL-6203 Realtek RTL8191S YES NO YES
KEEBOX W150NUv1.0 Ralink rt2x00 NO NO NO

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NOTE: Your mileage may vary, as sometimes manufacturing changes are made to WiFi adapters without changing the model name or number.

Article Index

  1. Introduction, Summary of Changes, 40 pin GPIO header
  2. 4 USB 2.0 Ports, micro SD Socket, Switching Power Regulation
  3. Improved Audio Quality, Improved Board Layout, Software Compatibility
  4. Hardware Compatibility, USB WiFi stick testing of Model B+
  5. Power Consumption Comparison of Model A/B/B+, Conclusion

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