diff --git a/drivers/Makefile.dep b/drivers/Makefile.dep
index 923d8072efb2e991df8bdd994ee1cc98b95e6d48..34e91a56fb9027abbfc1cd80c46ee3b3567dd30a 100644
--- a/drivers/Makefile.dep
+++ b/drivers/Makefile.dep
@@ -168,6 +168,10 @@ ifneq (,$(filter mtd_sdcard,$(USEMODULE)))
USEMODULE += sdcard_spi
endif
+ifneq (,$(filter grove_ledbar,$(USEMODULE)))
+ USEMODULE += my9221
+endif
+
ifneq (,$(filter my9221,$(USEMODULE)))
FEATURES_REQUIRED += periph_gpio
USEMODULE += xtimer
diff --git a/drivers/Makefile.include b/drivers/Makefile.include
index 6ed1123fcbb1196135e7ac253c0724555913d823..dcbd298cfa6ad9a2de07f360599d6a3c949eb84c 100644
--- a/drivers/Makefile.include
+++ b/drivers/Makefile.include
@@ -13,6 +13,9 @@ endif
ifneq (,$(filter ds1307,$(USEMODULE)))
USEMODULE_INCLUDES += $(RIOTBASE)/drivers/ds1307/include
endif
+ifneq (,$(filter grove_ledbar,$(USEMODULE)))
+ USEMODULE_INCLUDES += $(RIOTBASE)/drivers/grove_ledbar/include
+endif
ifneq (,$(filter kw2xrf,$(USEMODULE)))
USEMODULE_INCLUDES += $(RIOTBASE)/drivers/kw2xrf/include
endif
diff --git a/drivers/grove_ledbar/Makefile b/drivers/grove_ledbar/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..48422e909a47d7cd428d10fa73825060ccc8d8c2
--- /dev/null
+++ b/drivers/grove_ledbar/Makefile
@@ -0,0 +1 @@
+include $(RIOTBASE)/Makefile.base
diff --git a/drivers/grove_ledbar/grove_ledbar.c b/drivers/grove_ledbar/grove_ledbar.c
new file mode 100644
index 0000000000000000000000000000000000000000..b50129c20cafec627adf8c2ad7db3153c774b3dc
--- /dev/null
+++ b/drivers/grove_ledbar/grove_ledbar.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2017 HAW Hamburg
+ *
+ * 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.
+ */
+
+/**
+ * @ingroup drivers_grove_ledbar
+ *
+ * @{
+ * @file
+ * @brief Driver for the Grove ledbar
+ *
+ * @author Sebastian Meiling <s@mlng.net>
+ *
+ * @}
+ */
+
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "log.h"
+#include "xtimer.h"
+
+#include "grove_ledbar.h"
+#include "my9221.h"
+
+#define DEV_LEDS (dev->params.leds)
+#define DEV_STATE(x) (dev->state[x])
+
+int grove_ledbar_init(grove_ledbar_t *dev, const grove_ledbar_params_t *params)
+{
+ assert(dev && params);
+
+ return my9221_init((my9221_t *)dev, (my9221_params_t *)params);
+}
+
+void grove_ledbar_set(grove_ledbar_t *dev, uint8_t level)
+{
+ assert(dev);
+
+ uint8_t frac = GROVE_LEDBAR_MAX / DEV_LEDS;
+
+ for (unsigned i = 0; i < DEV_LEDS; ++i) {
+ if (level > frac) {
+ DEV_STATE(i) = MY9221_LED_ON;
+ level -= frac;
+ }
+ else if (level > 0) {
+ DEV_STATE(i) = ~(MY9221_LED_ON << ((level << 3) / frac));
+ level = 0;
+ }
+ else {
+ DEV_STATE(i) = MY9221_LED_OFF;
+ }
+ }
+ my9221_set_state((my9221_t *)dev, NULL, 0);
+}
+
+void grove_ledbar_clear(grove_ledbar_t *dev)
+{
+ assert(dev);
+
+ grove_ledbar_set(dev, 0);
+}
diff --git a/drivers/grove_ledbar/include/grove_ledbar_params.h b/drivers/grove_ledbar/include/grove_ledbar_params.h
new file mode 100644
index 0000000000000000000000000000000000000000..ac3c13677bfd812cbb6d70abc5144f9788fa3f55
--- /dev/null
+++ b/drivers/grove_ledbar/include/grove_ledbar_params.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2017 HAW Hamburg
+ *
+ * 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.
+ */
+
+/**
+ * @ingroup drivers_grove_ledbar
+ *
+ * @{
+ * @file
+ * @brief Config for the Grove LED bar based on MY9221 LED controller
+ *
+ * @author Sebastian Meiling <s@mlng.net>
+ */
+#ifndef GROVE_LEDBAR_PARAMS_H
+#define GROVE_LEDBAR_PARAMS_H
+
+#include "board.h"
+#include "periph/gpio.h"
+
+#include "grove_ledbar.h"
+#include "my9221.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ * @brief Clock GPIO pin
+ */
+#ifndef GROVE_LEDBAR_CLK
+#define GROVE_LEDBAR_CLK (GPIO_PIN(0,1))
+#endif
+
+/**
+ * @brief Data GPIO pin
+ */
+#ifndef GROVE_LEDBAR_DAT
+#define GROVE_LEDBAR_DAT (GPIO_PIN(0,2))
+#endif
+
+/**
+ * @brief Direction of LEDs
+ */
+#ifndef GROVE_LEDBAR_DIR
+#define GROVE_LEDBAR_DIR GROVE_LEDBAR_G2R
+#endif
+
+/**
+ * @brief Default parameter settings
+ */
+#define GROVE_LEDBAR_PARAMS { \
+ .leds = 10, \
+ .dir = GROVE_LEDBAR_DIR, \
+ .clk = GROVE_LEDBAR_CLK, \
+ .dat = GROVE_LEDBAR_DAT, \
+}
+
+/**
+ * @brief Grove LED bar configuration
+ */
+static const grove_ledbar_params_t grove_ledbar_params[] =
+{
+#ifdef GROVE_LEDBAR_CUSTOM
+ GROVE_LEDBAR_CUSTOM,
+#else
+ GROVE_LEDBAR_PARAMS,
+#endif
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GROVE_LEDBAR_PARAMS_H */
+/** @} */
diff --git a/drivers/include/grove_ledbar.h b/drivers/include/grove_ledbar.h
new file mode 100644
index 0000000000000000000000000000000000000000..a28d97a83de3307788bf2e818e4266d4e00398a6
--- /dev/null
+++ b/drivers/include/grove_ledbar.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2017 HAW Hamburg
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup drivers_grove_ledbar Grove ledbar
+ * @ingroup drivers_actuators
+ * @brief Driver for the Grove ledbar
+ *
+ * @{
+ * @file
+ * @brief Interface for the Grove ledbar driver
+ *
+ * @author Sebastian Meiling <s@mlng.net>
+ */
+
+#ifndef GROVE_LEDBAR_H
+#define GROVE_LEDBAR_H
+
+#include <stdint.h>
+
+#include "my9221.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @name Ledbar direction, either red to green, or vice versa.
+ * @{
+ */
+#define GROVE_LEDBAR_R2G MY9221_DIR_FWD
+#define GROVE_LEDBAR_G2R MY9221_DIR_REV
+/** @} */
+
+/**
+ * @brief Maximum value for ledbar level
+ */
+#define GROVE_LEDBAR_MAX UINT8_MAX
+
+/**
+ * @brief Parameters needed for device initialization
+ */
+typedef my9221_params_t grove_ledbar_params_t;
+
+/**
+ * @brief Device descriptor for grove ledbar, alias for MY9221 LED controller
+ */
+typedef my9221_t grove_ledbar_t;
+
+/**
+ * @brief Initialize the given driver
+ *
+ * @pre `dev != NULL` and `params != NULL`
+ *
+ * @param[out] dev device descriptor grove ledbar
+ * @param[in] params configuration parameters
+ *
+ * @return 0 on success, otherwise error
+ */
+int grove_ledbar_init(grove_ledbar_t *dev, const grove_ledbar_params_t *params);
+
+/**
+ * @brief Set overall (brightness) level distributed over all LEDs
+ *
+ * @pre `dev != NULL`
+ *
+ * @param[in] dev device descriptor grove ledbar
+ * @param[in] level overall brightness level
+ */
+void grove_ledbar_set(grove_ledbar_t *dev, uint8_t level);
+
+/**
+ * @brief Clear ledbar, i.e. set all LEDs off
+ *
+ * @pre `dev != NULL`
+ *
+ * @param[in] dev device descriptor grove ledbar
+ */
+void grove_ledbar_clear(grove_ledbar_t *dev);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GROVE_LEDBAR_H */
+/** @} */