TEMPer usb thermometer
----------------------


Vendor ID  0x1130
Product ID 0x660c

Device is controlled by USB control messages:

request type	request	  value	index	description
---------------------------------------------------
0x21		9	  x0200	1	send command
0xa1		1	  0x300	1	get data


Commands for "send command" request:
Null			0x0000000000000000
Initialize		0x0a0b0c0d00000200
Measure temperature	0x5400000000000000
Read nvram  		0x5200000000000000
High accuracy mode	0x4300000000000000
End			0x0a0b0c0d00000100

Commands should be padded with zeros to 32 bytes.

"Measure temperature" should be followed by eight (8) null 
commands followed by end command.
Allow at least 0.5 seconds for the measurement.
Then "get data" request returns up to 256 bytes,
temperature is in in the first two bytes as
1/256th degrees C, high byte first.