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2 layers40 × 22 mmUEXT LVL SHIFT Rev A, the printed circuit board in 3D

UEXT LVL SHIFT Rev A

OLIMEX/UEXT-LVL-SHIFT2

UEXT level shift module allow boards with UEXT connector to interface modules with voltage levels from 1.65V to 5.5V

Size
40 × 22 mm
Copper layers
2
Thickness
1.58 mm
Parts
42
Nets
26
Pads
124
Tracks, vias
746, 130
Pours
87
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
19 Oct 2026
Updated
19 Oct 2026

Overview

UEXT LVL SHIFT Rev A is an open-source printed circuit board by OLIMEX, from the OLIMEX/UEXT-LVL-SHIFT repository on GitHub, published under the MIT licence. It is a 2-layer board of 40 × 22 mm with 42 parts on 26 nets, routed with 746 tracks and 130 vias.

Its parts include 12 resistors, 7 capacitors and 3 ICs.

README

README.md

UEXT-LVL-SHIFT

UEXT level shift module allow boards with UEXT connector to interface modules with voltage levels from 1.65V to 5.5V

UEXT-LVL-SHIFT-1

https://www.olimex.com/Products/Modules/Adapters/UEXT-LVL-SHIFT/open-source-hardware

Licensee

  • Hardware is released under CERN Open Hardware Licence Version 2 - Strongly Reciprocal, all silkscreen credits to Bernardo Kastrup and Dean Belfield should remain;
  • Software is released under MIT Licensee
  • Documentation is released under CC BY-SA 3.0

Parts

42
QtyValueFootprintReferences
610k/R0402OLIMEX_RLC-FP:R_0402_5MIL_DWSR1, R2, R6, R7, R11, R12
61uF/6.3V/10%/X5R/C0402OLIMEX_RLC-FP:C_0402_5MIL_DWSC2, C3, C4, C5, C6, C7
41k/R0402OLIMEX_RLC-FP:R_0402_5MIL_DWSR3, R4, R9, R10
4BSS138(SOT23-3)OLIMEX_Transistors-FP:SOT23FET1, FET2, FET3, FET4
3SN74LVC2T45DCUR(VSSOP-8)OLIMEX_IC-FP:VSSOP-8_Pitch-0.50mm_Pad-0.25mm_Dimensions-2.30x2.00x1.00mmU1, U2, U3
22.2k/R0402OLIMEX_RLC-FP:R_0402_5MIL_DWSR5, R8
2Drill(3.3mm)/Restrict(7.00mm)OLIMEX_Other-FP:Mounting_Hole_Drill-3.3mm_Clerance-7mmMH1, MH2
2FiducialOLIMEX_Other-FP:Fiducial1x3FID1, FID3
2FiducialOLIMEX_Other-FP:Fiducial1x3_PasteFID2, FID4
2P-B-V-10-LFOLIMEX_Connectors-FP:GBH-254-SMT-10UEXT_1.65V_to_5V5, UEXT_3V3
147uF/6.3V/20%/X5R/C0805OLIMEX_RLC-FP:C_0805_5MIL_DWSC1
1CE_SignOLIMEX_Signs-FP:CE_SignSign_CE
1Logo_OLIMEX_SMALL_TBOLIMEX_Signs-FP:Logo_OLIMEX_SMALL_TBLogo_OLIMEX_SMALL_TB
1Logo_OLIMEX_TBOLIMEX_Signs-FP:Logo_OLIMEX_TBLogo_OLIMEX_TB-Top
1Sign_AntistaticOLIMEX_Signs-FP:Sign_AntistaticSign_Antistatic
1Sign_OSHW_8x8OLIMEX_Signs-FP:Sign_OSHW_8x8Sign_OSHW_8x8
1Sign_PB-FreeOLIMEX_Signs-FP:Sign_PB-FreeSign_PB-Free
1Sign_RecycleBinOLIMEX_Signs-FP:Sign_RecycleBin_1Sign_RecycleBin
1Sign_RoHSOLIMEX_Signs-FP:Sign_RoHS_1Sign_RoHS

Questions

How big is the UEXT LVL SHIFT Rev A PCB?

It measures 40 × 22 mm and has 2 copper layers, 1.58 mm thick.

What parts does the UEXT LVL SHIFT Rev A use?

42 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 UEXT LVL SHIFT Rev A KiCad files?

From the OLIMEX/UEXT-LVL-SHIFT repository on GitHub, at the commit this page was made from: the board is HARDWARE/UEXT-LVL-SHIFT_Rev_A/UEXT-LVL-SHIFT_Rev_A.kicad_pcb and its schematic HARDWARE/UEXT-LVL-SHIFT_Rev_A/UEXT-LVL-SHIFT_Rev_A.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the UEXT LVL SHIFT Rev A design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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