diff --git a/.murdock b/.murdock
index 670994e021..1954103457 100755
--- a/.murdock
+++ b/.murdock
@@ -22,6 +22,7 @@ dwm1001
 hifive1
 mbed_lpc1768
 mega-xplained
+microbit
 native
 nrf52840dk
 nucleo-f072rb
diff --git a/boards/airfy-beacon/Kconfig b/boards/airfy-beacon/Kconfig
index 8ac778c009..92569f25ce 100644
--- a/boards/airfy-beacon/Kconfig
+++ b/boards/airfy-beacon/Kconfig
@@ -16,5 +16,6 @@ config BOARD_AIRFY_BEACON
     select HAS_PERIPH_I2C
     select HAS_PERIPH_SPI
     select HAS_PERIPH_UART
+    select MODULE_BOARDS_COMMON_NRF51 if TEST_KCONFIG
 
 source "$(RIOTBOARD)/common/nrf51/Kconfig"
diff --git a/boards/calliope-mini/Kconfig b/boards/calliope-mini/Kconfig
index 9996dec406..e5ffde225b 100644
--- a/boards/calliope-mini/Kconfig
+++ b/boards/calliope-mini/Kconfig
@@ -16,4 +16,8 @@ config BOARD_CALLIOPE_MINI
     select HAS_PERIPH_UART
     select HAS_PERIPH_PWM
 
+    select HAVE_SAUL_GPIO
+    select HAVE_BMX055
+
+source "$(RIOTBOARD)/common/microbit/Kconfig"
 source "$(RIOTBOARD)/common/nrf51/Kconfig"
diff --git a/boards/common/microbit/Kconfig b/boards/common/microbit/Kconfig
new file mode 100644
index 0000000000..b518c19096
--- /dev/null
+++ b/boards/common/microbit/Kconfig
@@ -0,0 +1,11 @@
+# Copyright (c) 2021 Inria
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+
+config MODULE_MICROBIT
+    bool "BBC micro:bit specific LED matrix handling"
+    select MODULE_ZTIMER
+    select MODULE_ZTIMER_USEC
+    select MODULE_MINEPLEX
diff --git a/boards/common/nrf51/Kconfig b/boards/common/nrf51/Kconfig
index 9cb9a28bd9..ea63e6730f 100644
--- a/boards/common/nrf51/Kconfig
+++ b/boards/common/nrf51/Kconfig
@@ -8,3 +8,15 @@ config BOARD_COMMON_NRF51
     bool
     select HAS_PERIPH_RTT
     select HAS_PERIPH_TIMER
+
+    select HAVE_SAUL_NRF_TEMPERATURE
+
+config MODULE_BOARDS_COMMON_NRF51
+    bool
+    depends on TEST_KCONFIG
+    help
+       Common code of NRF51 boards
+
+choice NRF5X_RADIO_BACKEND
+    default MODULE_NRFMIN
+endchoice
diff --git a/boards/microbit/Kconfig b/boards/microbit/Kconfig
index 846ae7ca23..b568606f38 100644
--- a/boards/microbit/Kconfig
+++ b/boards/microbit/Kconfig
@@ -15,4 +15,8 @@ config BOARD_MICROBIT
     select HAS_PERIPH_I2C
     select HAS_PERIPH_UART
 
+    select HAVE_SAUL_GPIO
+    select HAVE_MMA8X5X
+
+source "$(RIOTBOARD)/common/microbit/Kconfig"
 source "$(RIOTBOARD)/common/nrf51/Kconfig"
diff --git a/boards/nrf51dk/Kconfig b/boards/nrf51dk/Kconfig
index 7802dde835..6cc36c9b6b 100644
--- a/boards/nrf51dk/Kconfig
+++ b/boards/nrf51dk/Kconfig
@@ -18,4 +18,8 @@ config BOARD_NRF51DK
     select HAS_PERIPH_UART_HW_FC
     select HAS_VDD_LC_FILTER_REG1
 
+    select HAVE_SAUL_GPIO
+
+    select MODULE_PERIPH_UART_HW_FC if TEST_KCONFIG && HAS_PERIPH_UART_HW_FC
+
 source "$(RIOTBOARD)/common/nrf51/Kconfig"
diff --git a/boards/nrf51dongle/Kconfig b/boards/nrf51dongle/Kconfig
index 25a9d22040..367b8714c0 100644
--- a/boards/nrf51dongle/Kconfig
+++ b/boards/nrf51dongle/Kconfig
@@ -15,4 +15,6 @@ config BOARD_NRF51DONGLE
     select HAS_PERIPH_UART
     select HAS_PERIPH_UART_HW_FC
 
+    select MODULE_PERIPH_UART_HW_FC if TEST_KCONFIG && HAS_PERIPH_UART_HW_FC
+
 source "$(RIOTBOARD)/common/nrf51/Kconfig"
diff --git a/boards/yunjia-nrf51822/Kconfig b/boards/yunjia-nrf51822/Kconfig
index 8134f739e6..9ec9f5fe00 100644
--- a/boards/yunjia-nrf51822/Kconfig
+++ b/boards/yunjia-nrf51822/Kconfig
@@ -16,5 +16,6 @@ config BOARD_YUNJIA_NRF51822
     select HAS_PERIPH_I2C
     select HAS_PERIPH_SPI
     select HAS_PERIPH_UART
+    select MODULE_BOARDS_COMMON_NRF51 if TEST_KCONFIG
 
 source "$(RIOTBOARD)/common/nrf51/Kconfig"