2 layers21.7 × 29.3 mm
4 layers152.2 × 66.8 mm
TeperatureSensorsInterface
MrWobot/TemperatureSensorsInterfaceA generic board that interfaces to up to 8 thermocouples and speaks over fiber optic uart.
- Size
- 152.2 × 66.8 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 107
- Nets
- 106
- Pads
- 386
- Tracks, vias
- 973, 153
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 13 Jun 2026
- Updated
- 13 Jun 2026
Overview
TeperatureSensorsInterface is an open-source printed circuit board by MrWobot, from the MrWobot/TemperatureSensorsInterface repository on GitHub. It is a 4-layer board of 152.2 × 66.8 mm with 107 parts on 106 nets, routed with 973 tracks and 153 vias.
It is built around the MAX31856. Its parts include 47 capacitors, 29 resistors, 14 connectors, 11 ICs and 1 switch. It belongs with the interfaces and adapters boards of this library.
Main components
1Parts
107| Qty | Value | Footprint | References |
|---|---|---|---|
| 24 | 0.1uF | Capacitor_SMD:C_1206_3216Metric | C1, C2, C3, C15, C20, C21, C22, C23, C24, C25, C26, C27, C29, C30, C31, C32 +8 |
| 16 | 0.01uF | Capacitor_SMD:C_1206_3216Metric | C5, C6, C7, C8, C9, C10, C11, C12, C37, C38, C39, C40, C41, C42, C43, C44 |
| 16 | 100 | Resistor_SMD:R_1206_3216Metric | R1, R2, R3, R4, R5, R6, R7, R8, R12, R13, R14, R15, R16, R17, R18, R19 |
| 8 | Conn_01x02_Pin | Custom:ThermocoupleConnection | J1, J2, J3, J4, J8, J9, J10, J11 |
| 8 | MAX31856 | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U1, U2, U3, U4, U7, U8, U9, U10 |
| 8 | ~ | Resistor_SMD:R_1206_3216Metric | R20, R21, R22, R23, R24, R25, R26, R27 |
| 6 | ~ | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C13, C14, C16, C17, C18, C19 |
| 3 | 10K | Resistor_SMD:R_1206_3216Metric | R9, R28, R29 |
| 2 | Pullup | Resistor_SMD:R_1206_3216Metric | R10, R11 |
| 2 | Standoff Hole | Custom:M2.5Hole | J13, J14 |
| 2 | USB RWGBS | Custom:USB connection | J5, J6 |
| 2 | ~ | Custom:RS Pro Optical Transmitter jack | OT1, OT2 |
| 2 | ~ | Custom:RS PRO Optical Receiver jack | OR1, OR2 |
| 1 | 220uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C28 |
| 1 | Conn_01x02_Pin | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J12 |
| 1 | LOGO | LOGO | G*** |
| 1 | MCP23S17_SO | Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm | U5 |
| 1 | SCL, SDA, GND, VCC | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J7 |
| 1 | ~ | Custom:HW-677 LM2596HVS DC-DC | U11 |
| 1 | ~ | Custom:ESP32_WROOM-32_Dev_Board | U6 |
| 1 | ~ | Custom:MSS-04A | S1 |
Questions
How big is the TeperatureSensorsInterface PCB?
It measures 152.2 × 66.8 mm and has 4 copper layers, 1.6 mm thick.
What parts does the TeperatureSensorsInterface use?
107 parts, built around the MAX31856. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the TeperatureSensorsInterface KiCad files?
From the MrWobot/TemperatureSensorsInterface repository on GitHub, at the commit this page was made from: the board is Kicad/TeperatureSensorsInterface/TeperatureSensorsInterface.kicad_pcb and its schematic Kicad/TeperatureSensorsInterface/TeperatureSensorsInterface.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the TeperatureSensorsInterface design in my own project?
Its repository states no licence, so its author keeps all rights: ask MrWobot before reusing the design.
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