Yet another TC and USB Interface Board

Open TC and USB Extension Board

MAX31850K TC Amplifier Board and FT232RL USB/UART Bridge /w Support for 2 external TCs

This board is designed to provide a starting point for anyone who wants to etch his/her own PCB. Some vias might me obsolete if you obtain professionally made PCB.

Gerber Files

Download

Parts List (BOM) for the Extension Board:

PCB/Housing

• 1 Fischer AKG 55 24 50
• 1 double-sided PCB, 1.5mm

PCB Assembly

• 2 IM K PCB thermocouple plug
• 2 Phönix Contact Pt 1,5/ 2-5,0-H
• 4 MAX31850K
• 5 10nF (0805)
• 7 100nF (0805)
• 1 4.7kOhm (0805)
• 2 270Ohm (0805)
• 1 g/y LED KPHBM-2012CGKSEKC
• 1 Ferrite (0805)
• 1 4,7µF Electrolyte Capacitor
• 1 FT232RL
• 1 USB Plug Würth 65100516121
• 2 econ connect SCS3AA3
• 3 W & P Products 166-10-10-1
• 1 JST B3B-ZR-SM4-TF
• 1 JST B5B-ZR-SM4-TF

Cable

• 40cm Kabeltronik 350300800 LifYDY 3 x 0.08 mm²
• 40cm Kabeltronik 350500800 LifYDY 3 x 0.08 mm²
• 80cm Glass Fiber Insulation
• 1 JST ZHR-3 Housing
• 1 JST ZHR-5 Housing
• 1 Dupunt Plug 5
• 5 Dupond Crimp Contacts
• JST Crimp Contacts SZH-002T-P0.5