diff --git a/SENT-ETB-Electronic-Throttle-Body.md b/SENT-ETB-Electronic-Throttle-Body.md
index 2f2a6bfb..8d1e06e5 100644
--- a/SENT-ETB-Electronic-Throttle-Body.md
+++ b/SENT-ETB-Electronic-Throttle-Body.md
@@ -35,3 +35,9 @@ kit <https://www.bmotorsports.com/shop/product_info.php/products_id/4479>
 <https://github.com/rusefi/rusefi/labels/SENT-protocol> for dev notes.
 
 [SAE J2716-2016.pdf](https://github.com/rusefi/rusefi_documentation/blob/master/PDFs/SAE%20J2716-2016.pdf) is the standard.
+
+## Hardware
+
+At the moment only microRusEFI has SENT capable pins
+
+See https://github.com/rusefi/rusefi/tree/master/firmware/hw_layer/drivers/sent