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2 layers22.4 × 34 mmTech pcb, the printed circuit board in 3D

A workshop to create a simple STM32 based MCU development board. Created for the Tennessee Technological University Department of Electrical and Computer Engineering

Size
22.4 × 34 mm
Copper layers
2
Thickness
1.6 mm
Parts
24
Nets
34
Pads
116
Tracks, vias
176, 18
Pours
4
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
19 Aug 2026
Updated
13 Oct 2026

Overview

Tech pcb is an open-source printed circuit board by tux2603, from the tux2603/tntech_pcb_workshop repository on GitHub. It is a 2-layer board of 22.4 × 34 mm with 24 parts on 34 nets, routed with 176 tracks and 18 vias.

Its parts include 6 resistors, 4 capacitors, 4 connectors, 2 ICs and 2 diodes. It belongs with the microcontroller boards boards and the STM32 boards of this library.

README

README.md

tntech_pcb_workshop

Files and references for a PCB design workshop at Tennessee Tech. The workshop will focus on designing and assembling a two-layer PCB for a simple Arduino-compatible STM32 development board, and will serve as a first-introduction to PCB design and assembly for students. Students are expected to have a familiarity with basic electrical engineering concepts such as Ohm's law, impedance, and basic circuit analysis, but no prior experience with PCB design is required. The workshop will be hands-on, and will culminate in students assembling a (hopefully) functional PCB that they will be able to take home with them.

Additional information can be found in the documentation for the workshop. Slides shown in the workshop can be found in the slides section of the documentation.

PCB render

Parts

24
QtyValueFootprintReferences
4TestPointTestPoint:TestPoint_Pad_D1.0mmTP1, TP2, TP3, TP4
2100nCapacitor_SMD:C_0603_1608MetricC1, C2
210kResistor_SMD:R_0805_2012MetricR3, R4
21uCapacitor_SMD:C_0805_2012MetricC3, C4
2220Resistor_SMD:R_0805_2012MetricR5, R6
25k1Resistor_SMD:R_0603_1608MetricR1, R2
2Conn_01x11Connector_PinHeader_2.54mm:PinHeader_1x11_P2.54mm_VerticalJ1, J2
1BOOTButton_Switch_SMD:SW_Push_1P1T_NO_CK_KMR2SW2
1Conn_01x03_MountingPinConnector_JST:JST_SH_BM03B-SRSS-TB_1x03-1MP_P1.00mm_VerticalJ4
1PWRLED_SMD:LED_0805_2012MetricD1
1RSTButton_Switch_SMD:SW_Push_1P1T_NO_CK_KMR2SW1
1STATUSLED_SMD:LED_0805_2012MetricD2
1STM32C071GBUxNPackage_DFN_QFN:QFN-28_4x4mm_P0.5mmU1
1USB_C_Receptacle_USB2.0_16PConnector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_HorizontalJ3
1XC6206PxxxMRPackage_TO_SOT_SMD:SOT-23-3U2

Questions

How big is the Tech pcb PCB?

It measures 22.4 × 34 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Tech pcb use?

24 parts. 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 Tech pcb KiCad files?

From the tux2603/tntech_pcb_workshop repository on GitHub, at the commit this page was made from: the board is kicad/tech_pcb.kicad_pcb and its schematic kicad/tech_pcb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Tech pcb design in my own project?

Its repository states no licence, so its author keeps all rights: ask tux2603 before reusing the design.

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