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2 layers79.4 × 65 mm514 Schematics 3.0, the printed circuit board in 3D

514 Schematics 3.0

tong0701/TECHIN514
Size
79.4 × 65 mm
Copper layers
2
Thickness
1.6 mm
Parts
7
Nets
19
Pads
34
Tracks, vias
63, 3
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
5 Jan 2026
Updated
16 Mar 2026

Overview

514 Schematics 3.0 is an open-source printed circuit board by tong0701, from the tong0701/TECHIN514 repository on GitHub. It is a 2-layer board of 79.4 × 65 mm with 7 parts on 19 nets, routed with 63 tracks and 3 vias.

Its parts include 3 resistors, 1 IC, 1 diode and 1 switch.

Parts

7
QtyValueFootprintReferences
3R_SmallResistor_SMD:R_0402_1005MetricR1, R2, R3
1LED_RBGALED_THT:LED_D5.0mm-4_RGBD2
1SW_PushButton_Switch_SMD:SW_Push_1P1T_NO_E-Switch_TL3301NxxxxxGSW1
1Stepper_Motor_bipolarx27footprint:x27_stepper_two_holesM1
1~GIX_ESP32:XIAO_ESP32U1

Questions

How big is the 514 Schematics 3.0 PCB?

It measures 79.4 × 65 mm and has 2 copper layers, 1.6 mm thick.

What parts does the 514 Schematics 3.0 use?

7 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 514 Schematics 3.0 KiCad files?

From the tong0701/TECHIN514 repository on GitHub, at the commit this page was made from: the board is Project/pcb/514 Schematics_3.0.kicad_pcb and its schematic PCB Lab/PCB_design_Taya/PCB_design.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the 514 Schematics 3.0 design in my own project?

Its repository states no licence, so its author keeps all rights: ask tong0701 before reusing the design.

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