sigrok - User contributions [en]

UNI-T UT81B

2016-05-30T13:05:05Z

Penguin42: /* Links */

The '''UNI-T UT81B''' is a scope meter; it appears to use one of the same cables as the earlier range (mine identifies as the 04fa.2490 - somone else has a 1a86.e008.

It is currently '''NOT''' supported by sigrok.

== Photos ==

<gallery>
File:Unit-ut81b.jpg|Front view
File:Unit81b-inside.jpg|Inside
File:Ut81b-usb-puck.jpg|USB puck
File:Ut81b-bodyirports.jpg|IR ports on the chassis
File:Ut81b-usb-puck-back.jpg|USB puck (back)
</gallery>

== Links ==

* [[UNI-T_UT81B/info-lsusb]]
* [http://www.lowlevel.cz/log/cats/hardware/Python%20software%20for%20scopemeter%20UT81B.html Adam Pribyl's docs and script (works for me ish having changed the USB id)]
* [http://www.lowlevel.cz/log/files/UT81B%20communication%20protocol_en.txt Partial Protocol description]
* [http://hmijailblog.blogspot.co.uk/2011/12/custom-software-for-interfacing-via-usb.html hmijail earlier description and windows python code]

UNI-T UT81B/Info

2016-05-30T13:03:42Z

Penguin42: lsusb for the cable I have with my ut81b

<pre>
Bus 001 Device 004: ID 04fa:2490 Dallas Semiconductor DS1490F 2-in-1 Fob, 1-Wire adapter
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x04fa Dallas Semiconductor
idProduct 0x2490 DS1490F 2-in-1 Fob, 1-Wire adapter
bcdDevice 0.00
iManufacturer 1 Hoitek Semiconductor
iProduct 2 USB to Serial
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 41
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 4 Sample HID
bmAttributes 0x80
(Bus Powered)
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.00
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 37
Report Descriptor: (length is 37)
Item(Global): Usage Page, data= [ 0xa0 0xff ] 65440
(null)
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Collection, data= [ 0x01 ] 1
Application
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Report Count, data= [ 0x08 ] 8
Item(Main ): Input, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Local ): Usage, data= [ 0x02 ] 2
(null)
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Report Count, data= [ 0x08 ] 8
Item(Main ): Output, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Local ): Usage, data= [ 0x03 ] 3
(null)
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Report Count, data= [ 0x05 ] 5
Item(Main ): Feature, data= [ 0x02 ] 2
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Non_Volatile Bitfield
Item(Main ): End Collection, data=none
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 10
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 10
Device Status: 0x0000
(Bus Powered)
</pre>

UNI-T UT81B

2016-05-30T12:22:30Z

Penguin42: /* Photos */

The '''UNI-T UT81B''' is a scope meter; it appears to use one of the same cables as the earlier range (mine identifies as the 04fa.2490 - somone else has a 1a86.e008.

It is currently '''NOT''' supported by sigrok.

== Photos ==

<gallery>
File:Unit-ut81b.jpg|Front view
File:Unit81b-inside.jpg|Inside
File:Ut81b-usb-puck.jpg|USB puck
File:Ut81b-bodyirports.jpg|IR ports on the chassis
File:Ut81b-usb-puck-back.jpg|USB puck (back)
</gallery>

== Links ==

* [http://www.lowlevel.cz/log/cats/hardware/Python%20software%20for%20scopemeter%20UT81B.html Adam Pribyl's docs and script (works for me ish having changed the USB id)]
* [http://www.lowlevel.cz/log/files/UT81B%20communication%20protocol_en.txt Partial Protocol description]
* [http://hmijailblog.blogspot.co.uk/2011/12/custom-software-for-interfacing-via-usb.html hmijail earlier description and windows python code]

File:Ut81b-usb-puck-back.jpg

2016-05-30T12:21:50Z

Penguin42: The back of the USB puck

== Summary ==
The back of the USB puck
== Licensing ==
{{CC-BY-SA-3.0}}

File:Ut81b-bodyirports.JPG

2016-05-30T12:20:57Z

Penguin42: Penguin42 moved page File:Ut81b-bodyirports.JPG to File:Ut81b-bodyirports.jpg

#REDIRECT [[File:Ut81b-bodyirports.jpg]]

File:Ut81b-bodyirports.jpg

2016-05-30T12:20:57Z

Penguin42: Penguin42 moved page File:Ut81b-bodyirports.JPG to File:Ut81b-bodyirports.jpg

== Summary ==
The IR ports on the ut81b
== Licensing ==
{{CC-BY-SA-3.0}}

File:Ut81b-bodyirports.jpg

2016-05-30T12:19:23Z

Penguin42: The IR ports on the ut81b

== Summary ==
The IR ports on the ut81b
== Licensing ==
{{CC-BY-SA-3.0}}

File:Ut81b-usb-puck.jpg

2016-05-30T12:17:34Z

Penguin42: Note the two transparent parts unlike some of the other cables which have one opaque.

== Summary ==
Note the two transparent parts unlike some of the other cables which have one opaque.
== Licensing ==
{{CC-BY-SA-3.0}}

UNI-T UT81B

2016-05-30T00:19:20Z

Penguin42: Add pictures

The '''UNI-T UT81B''' is a scope meter; it appears to use one of the same cables as the earlier range (mine identifies as the 04fa.2490 - somone else has a 1a86.e008.

It is currently '''NOT''' supported by sigrok.

== Photos ==

<gallery>
File:Unit-ut81b.jpg|Front view
File:Unit81b-inside.jpg|Inside
</gallery>

== Links ==

* [http://www.lowlevel.cz/log/cats/hardware/Python%20software%20for%20scopemeter%20UT81B.html Adam Pribyl's docs and script (works for me ish having changed the USB id)]
* [http://www.lowlevel.cz/log/files/UT81B%20communication%20protocol_en.txt Partial Protocol description]
* [http://hmijailblog.blogspot.co.uk/2011/12/custom-software-for-interfacing-via-usb.html hmijail earlier description and windows python code]

File:Unit81b-inside.jpg

2016-05-30T00:17:46Z

Penguin42: Looking into the innards of the 81b; the 4 pin wire coming from the left is from the IR; the main chip is an Altera FPGA, and next to it is an NXP ARM7 micro.

== Summary ==
Looking into the innards of the 81b; the 4 pin wire coming from the left is from the IR; the main chip is an Altera FPGA, and next to it is an NXP ARM7 micro.
== Licensing ==
{{CC-BY-SA-3.0}}

File:Unit-ut81b.jpg

2016-05-30T00:10:52Z

Penguin42: Picture of Uni-t ut81B, on in volts/scope mode with 50Hz on display.

== Summary ==
Picture of Uni-t ut81B, on in volts/scope mode with 50Hz on display.
== Licensing ==
{{CC-BY-SA-3.0}}

UNI-T UT81B

2016-05-30T00:00:29Z

Penguin42: Create page

The '''UNI-T UT81B''' is a scope meter; it appears to use one of the same cables as the earlier range (mine identifies as the 04fa.2490 - somone else has a 1a86.e008.

It is currently '''NOT''' supported by sigrok.

== Links ==

* [http://www.lowlevel.cz/log/cats/hardware/Python%20software%20for%20scopemeter%20UT81B.html Adam Pribyl's docs and script (works for me ish having changed the USB id)]
* [http://www.lowlevel.cz/log/files/UT81B%20communication%20protocol_en.txt Partial Protocol description]
* [http://hmijailblog.blogspot.co.uk/2011/12/custom-software-for-interfacing-via-usb.html hmijail earlier description and windows python code]