diff --git a/nixops/desktop.nix b/nixops/desktop.nix
index ed54c3c..edc6bce 100644
--- a/nixops/desktop.nix
+++ b/nixops/desktop.nix
@@ -112,6 +112,10 @@ SUBSYSTEM=="usb", ATTRS{idVendor}=="1d50", ATTRS{idProduct}=="6089", MODE="0660"
 SUBSYSTEM=="usb", ATTRS{idVendor}=="2cf0", ATTRS{idProduct}=="5250", MODE="0660", GROUP="plugdev"
 # personal measurement device
 SUBSYSTEM=="usb", ATTRS{idVendor}=="09db", ATTRS{idProduct}=="007a", MODE="0660", GROUP="plugdev"
+# saleae
+SUBSYSTEM=="usb", ATTRS{idVendor}=="0925", ATTRS{idProduct}=="3881", MODE="0660", GROUP="plugdev"
+# ocean optics
+SUBSYSTEM=="usb", ATTRS{idVendor}=="2457", ATTRS{idProduct}=="1002", MODE="0660", GROUP="plugdev"
   '';
 
   nix.binaryCachePublicKeys = ["nixbld.m-labs.hk-1:5aSRVA5b320xbNvu30tqxVPXpld73bhtOeH6uAjRyHc="];