Project:Sanguinololu Thermocouple
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| [[|Sanguinololu Thermocouple]] | |
|---|---|
| Created | 03/11/2012 |
| Version | 1 |
| Members | Pinski1 |
| Project Status | Awaiting PCBs |
| QR code | |
Introduction
I wanted to add a thermocouple to my 3D printer's hot end. Ideally it would improve the quality of my printed objects as it would provide more accurate temperature readings with greater immunity from electronic noise generated by the stepper motors.
Features
The PCB I have designed has the following features:
- Fits onto the expansion headers already present on the Sanguinololu
- Adds a MAX31855 temperature sensing chip
- Enables temperature readings between -750degC and +1350degC +-2degC
- Has a resolution of 0.25degC
Files
Schematics
Eagle 5.11 file:
PCB Layout
Eagle 5.11 file:
BoM
- MAX31855K
- TXB0104D
- TPS73033DBVT (any SOT-23-5 +3V3 voltage regulator)
- 10nF 0805
- 2.2uF 1206
- 2x5 way female socket
| Qty | Value | Ident | Description |
|---|---|---|---|
| 1 | IC1 | MAX31855K | SOIC8 Thermocouple-to-Digital chip |
| 1 | IC2 | TXB0104D | SOIC14 Bi-Directional level translator chip |
| 1 | IC3 | TPS73033DBVT | Could be any SOT23-5 +3V3 voltage regulator |
| 2 | 10nF | C2, C3 | Ceramic 0805 decoupling capacitors |
Pictures
How to Build
Licence
This design is licensed under Creative Commons BY-NC-SA
This design is modified from Sanguinololu SD