diff --git a/registry.txt b/registry.txt
index fc4e6b4d..6585116c 100644
--- a/registry.txt
+++ b/registry.txt
@@ -3298,3 +3298,4 @@ https://github.com/Falcons21/Custom_PID.git|Contributed|Custom PID
 https://github.com/107-systems/107-Arduino-NMEA-Parser.git|Contributed|107-Arduino-NMEA-Parser
 https://github.com/amperka/Octofet.git|Contributed|Octofet
 https://github.com/EnviroDIY/Arduino-SDI-12.git|Contributed|SDI-12
+https://github.com/RobTillaart/Optoma.git|Contributed|optoma