TIA2 Post
philipturner·capacitive-displacement-metrology·Models/TIA2_Post/TIA2_Post.kicad_pcb
About the TIA2 Post PCB
TIA2 Post is an open source PCB design by philipturner, published on GitHub under the MIT license. It is a 2-layer board measuring 39.3 × 26.9 mm, with 5 components from 5 distinct parts.
Other key parts include the OP37G. By type, the board carries 2 connectors, 2 resistors and 1 IC.
From the project
Objective: Finish a project that has dragged on for 14 months.
Objective: Finish a project that has dragged on for 14 months.
Deadline: April 31, 2026 for creepless imaging of graphite
$80,000 worth of wire transfers have hit the bank. I now have enough financial security to proceed with hardware work.
The first step is ensuring I can be paid a full-time salary. Comply with US tax laws, SEC regulations, etc. I predicted the exact numbers before going through the legal boilerplate and setup.

Main components on the TIA2 Post
TIA2 Post bill of materials (BOM)
5 components, 5 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | OP37G | SOIC-8 | U1 |
| 1 | Conn_01x03_Socket | PinSocket_1x3 | J2 |
| 1 | Conn_01x06_Socket | PinSocket_1x6 | J3 |
| 1 | 24k, 1% | RESC0603 | R3 |
| 1 | 240k, 1% | RESC0603 | R5 |
TIA2 Post design files
The KiCad project lives in the philipturner/capacitive-displacement-metrology repository on GitHub; these links point at the commit this page was built from.
TIA2 Post: common questions
How big is the TIA2 Post PCB?
The TIA2 Post measures 39.3 × 26.9 mm, has 2 copper layers and is 1.6256 mm thick.
How many components are on the TIA2 Post?
5 components, from 5 distinct parts. The full bill of materials is listed on this page.
Where can I download the TIA2 Post design files?
From the philipturner/capacitive-displacement-metrology repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the TIA2 Post design in my own project?
Yes, under the terms of its MIT license, which philipturner chose for the repository.
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