Difference between revisions of "RDing TEMPer"

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See [http://sigrok.git.sourceforge.net/git/gitweb.cgi?p=sigrok/sigrok-dumps;a=tree;f=i2c/rding_temper these example sigrok captures] for the I2C, USB, and LED traffic going on while the device is queried from the PC.


== Photos ==
== Photos ==

Revision as of 16:51, 24 June 2012

RDing TEMPer

The RDing TEMPer is a USB-based temperature logger.

See RDing TEMPer/Info for more details (such as lsusb -vvv output) about the device.

Hardware

  • Main chip: Unknown, yet (markings were removed)
  • Temperature sensor: Fairchild FM75 (datasheet), I2C slave addres 0x4f
  • I2C EEPROM: Unknown, yet (markings were removed), I2C slave addres 0x50
  • Oscillator: 6MHz

Main chip pinout:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
SCL SDA 5V/high 5V/high 5V/high 5V/high GND 5V/high 3.3V Oscillator Oscillator 5V/high USB D- USB D+ LED (5V) 5V 3.3V 3.3V

I2C EEPROM pinout:

1 2 3 4 5 6 7 8
GND GND GND GND SDA SCL GND 3.3V

See these example sigrok captures for the I2C, USB, and LED traffic going on while the device is queried from the PC.

Photos

Protocol

HID-based.

Resources

  • Protocol / device / software info: 1, 2, 3, 4, 5, 6, 7