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)
- Some SO-8 chip: Unknown, yet (markings were removed)
Main chip pinout:
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GND | Oscillator | Oscillator |
Unknown SO-8 chip pinout:
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|
| GND | GND | GND | GND | 3.3V | 3.3V | GND | 3.3V |
Photos
Device, front
Device, back
Device, USB
Device, opened
PCB, front
PCB, back
Sensor
Random pads on the side
Main chip, microscope
Sensor, microscope
Protocol
HID-based.