RDing TEMPer

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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 GND 3.3V Oscillator Oscillator USB D- USB D+ LED

I2C EEPROM pinout:

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

Photos

Protocol

HID-based.

Resources

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