diff --git a/registry.txt b/registry.txt
index 43f82c95..e3ee0c6b 100644
--- a/registry.txt
+++ b/registry.txt
@@ -6135,3 +6135,4 @@ https://github.com/RobTillaart/ADG725.git|Contributed|ADG725
 https://github.com/RobTillaart/ADG731.git|Contributed|ADG731
 https://github.com/tedtoal/wiring_analog_SAMD_TT.git|Contributed|wiring_analog_SAMD_TT
 https://github.com/bonezegei/Bonezegei_GL.git|Contributed|Bonezegei_GL
+https://github.com/big12boy/MAX11643.git|Contributed|MAX11643