Difference between revisions of "Velleman WFS210"
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[[File:VellemanWFS210.png|thumb|right|Velleman WFS210 | [[File:VellemanWFS210.png|thumb|right|Velleman WFS210]] | ||
The [http://www.velleman.eu/products/view/?id=416586 Velleman WFS210] is a claimed to be the first WiFi oscilloscope. It has 2 channels, and 10MS/s sampling rate per channel. | The [http://www.velleman.eu/products/view/?id=416586 Velleman WFS210] is a claimed to be the first WiFi oscilloscope. It has 2 channels, and 10MS/s sampling rate per channel. | ||
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== Description == | == Description == | ||
* 2 channel 8 bit 10MS/s | |||
* Wifi & internal battery for self-contained remote connection to a tablet or PC | * Wifi & internal battery for self-contained remote connection to a tablet or PC | ||
* Charges off USB (mini plug) | * Charges off USB (mini plug) | ||
* Supported on IOS, Android 4, Windows | * Supported on IOS, Android 4, Windows | ||
And, | And, notably : | ||
* Sources for Android build on github | * Sources for Android build on github | ||
* Protocol description on manufacturers site | * Protocol description on manufacturers site | ||
== Hardware == | == Hardware == | ||
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** [http://www.velleman.eu/downloads/0/user/getting_started_wfs210.pdf Quickstart manual] | ** [http://www.velleman.eu/downloads/0/user/getting_started_wfs210.pdf Quickstart manual] | ||
** [http://www.velleman.eu/downloads/0/user/usermanual_wfs210.pdf User manual] | ** [http://www.velleman.eu/downloads/0/user/usermanual_wfs210.pdf User manual] | ||
==Note== | |||
When taking it apart, I broke it: the power button really needs to be removed first / fitted last. Levering the board out without removing the button damaged the switch. A wire link fixes it for now. Beware! | |||
[[Category:Device]] | [[Category:Device]] | ||
[[Category:Oscilloscope]] | [[Category:Oscilloscope]] | ||
[[Category:In progress]] | [[Category:In progress]] | ||
Revision as of 03:26, 2 January 2015
The Velleman WFS210 is a claimed to be the first WiFi oscilloscope. It has 2 channels, and 10MS/s sampling rate per channel.
See Velleman WFS210/Info for more details (such as lsusb -v output) about the device.
Description
- 2 channel 8 bit 10MS/s
- Wifi & internal battery for self-contained remote connection to a tablet or PC
- Charges off USB (mini plug)
- Supported on IOS, Android 4, Windows
And, notably :
- Sources for Android build on github
- Protocol description on manufacturers site
Hardware
Control logic
- Microchip dsPic33EP256MU806 microcontroller
- 12MHz crystal: clock source for the dsPic
USB interface
- Onboard the dsPic
Wifi interface
- Roving Networks (Microchip) RN171-I/RM
Analog frontend
- 6 x EGE EDR301A0528 reed relays (3 per input channel)
- 6 x variable capacitors (3 per channel)
- 4 x variable resistors (2 per channel)
- 2 x Texas Instruments OPA354 op-amps
- 1 x Microchip 6404E quad op-amp
- 1 x Maxim 1192E 8-bit 22MSPS dual A/D converter
Power
- 1 x 3.7V 1.8Ah lithium battery
- 1 x 7387 lithium pack charge controller
- 1 x TJ 42MD7LE regulator
?
- 8-pin pack marked 'NXC' near TI opamps
Photos
WFS210 with Android tablet
Screws under feet
Under cover
PCB with screen
Battery and switch
Wifi radio
PCB topside
PCB underside (no components under foil)
Protocol
The protocol is publically documented by the vendor.
(oddly, the protocol is described in terms of frames such as <STX> ... <ETX> as though on a serial stream. It doesn't mention TCP ports or USB endpoints)
Resources
- Software:
- iTunes
- Android (4.0 or later), Android sourcecode
- Windows
- Manuals:
Note
When taking it apart, I broke it: the power button really needs to be removed first / fitted last. Levering the board out without removing the button damaged the switch. A wire link fixes it for now. Beware!