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GeneralRe: Raspberry Pi Pin
Nish Nishant16-Dec-15 16:18
sitebuilderNish Nishant16-Dec-15 16:18 
GeneralRe: Raspberry Pi Pin
Michael Martin17-Dec-15 0:49
professionalMichael Martin17-Dec-15 0:49 
GeneralRe: Raspberry Pi Pin
JRickey18-Dec-15 7:44
professionalJRickey18-Dec-15 7:44 
AnswerRe: Raspberry Pi Pin
Indivara16-Dec-15 14:52
professionalIndivara16-Dec-15 14:52 
GeneralRe: Raspberry Pi Pin
Nish Nishant16-Dec-15 16:16
sitebuilderNish Nishant16-Dec-15 16:16 
GeneralRe: Raspberry Pi Pin
Benito Aramando18-Dec-15 0:42
Benito Aramando18-Dec-15 0:42 
AnswerRe: Raspberry Pi Pin
Marco Bertschi16-Dec-15 20:10
protectorMarco Bertschi16-Dec-15 20:10 
AnswerRe: Raspberry Pi Pin
Jochen Arndt16-Dec-15 22:53
professionalJochen Arndt16-Dec-15 22:53 
I don't have one personally but actually developing a kind of hand held based on a Pi.

For development I'm using a B+ now (started with a B) while the final device will use an A+ (already present) or zero (not yet present here) depending on the type of display that will be finally used.

I prefer one of the small 3.5" touch displays which are connected via SPI. But my boss want's a bigger one so that the official 7" Pi touch display might be used. That is much faster and has multi touch but can't be used with the Zero that doesn't have the display connector.

The Pi are used with a self developed extension board providing a LiIon charger, on/off logic, RTC, voltage and current monitor, piezo buzzer, and a 2-port USB hub.

As you may have already noted, it depends on the requirements which type to use. I suggest the B+ and B2 for starting and development because they provide Ethernet and multiple USB ports.

If size and/or current matters, use the A+ or Zero. Missing interfaces can be provided via USB (hub, WLAN, ethernet). Use the Zero if the additional interfaces of the A+ are not required (camera interface, display interface, audio output).

If speed matters, use the B2. But this is usually not necessary when not using X Window based applications.

For the hand held I use Qt applications running without X. For testing purposes I'm showing a FFT from sampled SDR data (DVB-T USB stick as receiver, sample rate 240 kHz) on the 7" display. This produces a system load of about 50% on the B+ (the data rate is still higher than the display refresh rate so that only every second FFT frame is shown).

Small applications are build on the Pi itself via SSH shell. But I have also a virtual machine running Ubuntu with installed Pi cross compilation tools and Qt Creator.

I initially thought that I might have to build my own kernel to support specific hardware. But this can be omitted with actual RaspBian distributions because they support meanwhile device trees and a lot of Pi specific hardware (e.g. these small SPI displays).
AnswerRe: Raspberry Pi Pin
Eddy Vluggen16-Dec-15 23:03
professionalEddy Vluggen16-Dec-15 23:03 
AnswerRe: Raspberry Pi Pin
Max Methot17-Dec-15 2:19
Max Methot17-Dec-15 2:19 
AnswerRe: Raspberry Pi Pin
Dan Neely17-Dec-15 2:57
Dan Neely17-Dec-15 2:57 
AnswerRe: Raspberry Pi Pin
pkfox17-Dec-15 6:59
professionalpkfox17-Dec-15 6:59 
AnswerRe: Raspberry Pi Pin
dazfuller17-Dec-15 20:33
dazfuller17-Dec-15 20:33 
AnswerRe: Raspberry Pi Pin
Kiriander17-Dec-15 22:17
Kiriander17-Dec-15 22:17 
AnswerRe: Raspberry Pi Pin
WinnipegCodeMonkey18-Dec-15 1:45
WinnipegCodeMonkey18-Dec-15 1:45 
AnswerRe: Raspberry Pi Pin
JoeSox18-Dec-15 3:43
JoeSox18-Dec-15 3:43 
AnswerRe: Raspberry Pi Pin
computer_nerd18-Dec-15 3:57
computer_nerd18-Dec-15 3:57 
AnswerRe: Raspberry Pi Pin
Spencer Kittleson18-Dec-15 4:43
professionalSpencer Kittleson18-Dec-15 4:43 
AnswerRe: Raspberry Pi Pin
Derek Hunter18-Dec-15 4:48
Derek Hunter18-Dec-15 4:48 
AnswerRe: Raspberry Pi Pin
Tiger1250618-Dec-15 5:03
Tiger1250618-Dec-15 5:03 
AnswerRe: Raspberry Pi Pin
StanThomas18-Dec-15 6:03
StanThomas18-Dec-15 6:03 
AnswerRe: Raspberry Pi Pin
Ralph Little18-Dec-15 6:15
Ralph Little18-Dec-15 6:15 
AnswerRe: Raspberry Pi Pin
crazedDotNetDev18-Dec-15 6:57
crazedDotNetDev18-Dec-15 6:57 
AnswerRe: Raspberry Pi Pin
Member 1073194418-Dec-15 15:17
Member 1073194418-Dec-15 15:17 
GeneralCan't wait for this... Pin
R. Giskard Reventlov16-Dec-15 11:45
R. Giskard Reventlov16-Dec-15 11:45 

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