diff --git a/registry.txt b/registry.txt
index c7abe9e7..ee619259 100644
--- a/registry.txt
+++ b/registry.txt
@@ -2938,3 +2938,4 @@ https://github.com/RobTillaart/Max44009.git|Contributed|Max44009
 https://github.com/RobTillaart/ACS712.git|Contributed|ACS712
 https://github.com/RobTillaart/AD524X.git|Contributed|AD524X
 https://github.com/Uberi/Arduino-CommandParser.git|Contributed|CommandParser
+https://github.com/adafruit/Adafruit_DS1841.git|Contributed|Adafruit DS1841