diff --git a/digital-inputs/firmware/test_digital_outputs.cpp b/digital-inputs/firmware/test_digital_outputs.cpp
index f17ce64..df7114c 100644
--- a/digital-inputs/firmware/test_digital_outputs.cpp
+++ b/digital-inputs/firmware/test_digital_outputs.cpp
@@ -19,7 +19,11 @@ static io_pin addrPins[] = {
 };
 
 static io_pin pullUpDownPins[] = {
-{GPIOB, 12}, // OUT0 - this controls pull-up/pull-down on pads  #1-16
+#if 1
+{GPIOB, 12}, // OUT0 - this controls pull-up/pull-down on pads  #1-16 rev 0.2
+#else
+{GPIOD, 8}, // OUT0 - this controls pull-up/pull-down on pads  #1-16 rev C
+#endif
 {GPIOB, 11}, //                                                 17-32
 {GPIOC, 7},
 {GPIOC, 4},  // only test 49