diff --git a/Hardware/readme.md b/Hardware/readme.md
index cb4f41d49f282fab6351f6c34fd76326a5a6e4a5..d898a22f2e33972d7a94278041db07ca456f6e33 100644
--- a/Hardware/readme.md
+++ b/Hardware/readme.md
@@ -61,26 +61,26 @@ The implant schematics is shown Figure 1. The bill of materials for implant is g
 
 [//]: <> (References for datasheets)
 
-[aa]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/cc2652rb.pdf                "Open datasheet"
-[ab]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/cc2640R2_Launchpad.pdf      "Launchpad quick start quide"
-[ac]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/AP9211SA.pdf                "Open datasheet"
-[ad]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/Varta_safety_datasheet.pdf  "Check safety datasheet"
-[ae]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/MMDL101T1-D.PDF             "Open datasheet"
-[af]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/BA595.pdf                   "Open datasheet"
-[ag]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/Diotech_ZPD4.3.pdf          "Open datasheet"
-[ah]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/AVX-E_1003893FT.pdf         "Open datasheet"
-[ai]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/CTS-4300-0013LF.pdf         "Open datasheet"
-[aj]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/1455D601RD.pdf              "Open datasheet"
-[ak]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/RST_Button_434121025816.pdf "Open datasheet"
-[an]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/c4_vjhifreqseries.pdf       "Open datasheet"
-[ao]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/GRM155R61A104KA01_.pdf      "Open datasheet"
-[ap]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/L1_JELF243A-0173.pdf        "Open datasheet"
-[aq]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/L2_L3_maxi.pdf              "Open datasheet"
-[as]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/R2_TNPW060313K3BEEA.pdf     "Open datasheet"
-[at]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/R3_ERJUP3F2701V.pdf         "Open datasheet"
-[au]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/R4_cmp-a.pdf                "Open datasheet"
-[av]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/Header-BLMKG1-36.pdf        "Open datasheet"
-[ay]: https://gitlab1.ptb.de/mri-lab/reference-wireless-implant/-/blob/main/Hardware/Implant/Datasheets/Header-SLV_W_1_055.pdf      "Open datasheet"
+[aa]: /main/Hardware/Implant/Datasheets/cc2652rb.pdf                "Open datasheet"
+[ab]: /main/Hardware/Implant/Datasheets/cc2640R2_Launchpad.pdf      "Launchpad quick start quide"
+[ac]: /main/Hardware/Implant/Datasheets/AP9211SA.pdf                "Open datasheet"
+[ad]: /main/Hardware/Implant/Datasheets/Varta_safety_datasheet.pdf  "Check safety datasheet"
+[ae]: /main/Hardware/Implant/Datasheets/MMDL101T1-D.PDF             "Open datasheet"
+[af]: /main/Hardware/Implant/Datasheets/BA595.pdf                   "Open datasheet"
+[ag]: /main/Hardware/Implant/Datasheets/Diotech_ZPD4.3.pdf          "Open datasheet"
+[ah]: /main/Hardware/Implant/Datasheets/AVX-E_1003893FT.pdf         "Open datasheet"
+[ai]: /main/Hardware/Implant/Datasheets/CTS-4300-0013LF.pdf         "Open datasheet"
+[aj]: /main/Hardware/Implant/Datasheets/1455D601RD.pdf              "Open datasheet"
+[ak]: /main/Hardware/Implant/Datasheets/RST_Button_434121025816.pdf "Open datasheet"
+[an]: /main/Hardware/Implant/Datasheets/c4_vjhifreqseries.pdf       "Open datasheet"
+[ao]: /main/Hardware/Implant/Datasheets/GRM155R61A104KA01_.pdf      "Open datasheet"
+[ap]: /main/Hardware/Implant/Datasheets/L1_JELF243A-0173.pdf        "Open datasheet"
+[aq]: /main/Hardware/Implant/Datasheets/L2_L3_maxi.pdf              "Open datasheet"
+[as]: /main/Hardware/Implant/Datasheets/R2_TNPW060313K3BEEA.pdf     "Open datasheet"
+[at]: /main/Hardware/Implant/Datasheets/R3_ERJUP3F2701V.pdf         "Open datasheet"
+[au]: /main/Hardware/Implant/Datasheets/R4_cmp-a.pdf                "Open datasheet"
+[av]: /main/Hardware/Implant/Datasheets/Header-BLMKG1-36.pdf        "Open datasheet"
+[ay]: /main/Hardware/Implant/Datasheets/Header-SLV_W_1_055.pdf      "Open datasheet"
 
 
 [//]: <> (References for external links)