diff --git a/libraries/AP_HAL_ChibiOS/hwdef/MatekH743-bdshot/defaults.parm b/libraries/AP_HAL_ChibiOS/hwdef/MatekH743-bdshot/defaults.parm
new file mode 100644
index 0000000000..1b77a4b9f3
--- /dev/null
+++ b/libraries/AP_HAL_ChibiOS/hwdef/MatekH743-bdshot/defaults.parm
@@ -0,0 +1,3 @@
+# SERIAL7 is RCIN by default
+SERIAL7_PROTOCOL 23
+SERIAL7_BAUD 115
\ No newline at end of file
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/MatekH743-bdshot/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/MatekH743-bdshot/hwdef.dat
index e7d3be9db9..32dcab3856 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/MatekH743-bdshot/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/MatekH743-bdshot/hwdef.dat
@@ -11,7 +11,7 @@ undef PC7 PC6 PB0 PB1 PA0 PA1 PA15 PD14 PD15 PE5 PE6 PA2 PA3 PD12 PD13 PB9 PB8 P
 PB9 UART4_TX UART4 NODMA
 PB8 UART4_RX UART4 NODMA
 
-# UART8 (ESC Telemetry)
+# UART8 (ESC Telemetry), SERIAL5
 PE0 UART8_RX UART8 NODMA
 PE1 UART8_TX UART8 NODMA