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 06e4834e90..f489bea044 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/MatekH743-bdshot/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/MatekH743-bdshot/hwdef.dat
@@ -7,6 +7,15 @@ include ../MatekH743/hwdef.dat
 # undefine the pins we are going to change
 undef PC7 PB0 PB1 PA0 PA1 PA15 PD14 PD15 PE5 PE6
 
+# UART4 (spare)
+PB9 UART4_TX UART4 NODMA
+PB8 UART4_RX UART4 NODMA
+
+# UART8 (ESC Telemetry), SERIAL5
+PE0 UART8_RX UART8 NODMA
+PE1 UART8_TX UART8 NODMA
+
+# USART6 (RC input), SERIAL7
 PC7 USART6_RX USART6
 
 # Motors