diff --git a/Makefile b/Makefile
index e2aeb5a0..4efe87d7 100644
--- a/Makefile
+++ b/Makefile
@@ -267,6 +267,10 @@ smoketest:
 	@$(MD5SUM) test.hex
 	$(TINYGO) build -size short -o test.hex -target=pca10056            examples/blinky2
 	@$(MD5SUM) test.hex
+	$(TINYGO) build -size short -o test.hex -target=pca10059            examples/blinky1
+	@$(MD5SUM) test.hex
+	$(TINYGO) build -size short -o test.hex -target=pca10059            examples/blinky2
+	@$(MD5SUM) test.hex
 	$(TINYGO) build -size short -o test.hex -target=itsybitsy-m0        examples/blinky1
 	@$(MD5SUM) test.hex
 	$(TINYGO) build -size short -o test.hex -target=feather-m0          examples/blinky1
@@ -396,6 +400,7 @@ endif
 	$(TINYGO) build -size short -o test.hex -target=pca10040 -opt=0     ./testdata/stdlib.go
 	@$(MD5SUM) test.hex
 
+
 wasmtest:
 	$(GO) test ./tests/wasm
 
diff --git a/src/machine/board_nrf52840-mdk-usb-dongle.go b/src/machine/board_nrf52840-mdk-usb-dongle.go
index 82402fbb..45d175ff 100644
--- a/src/machine/board_nrf52840-mdk-usb-dongle.go
+++ b/src/machine/board_nrf52840-mdk-usb-dongle.go
@@ -44,7 +44,7 @@ const (
 // USB CDC identifiers
 const (
 	usb_STRING_PRODUCT      = "Makerdiary nRF52840 MDK USB Dongle"
-	usb_STRING_MANUFACTURER = "Makerdiary"
+	usb_STRING_MANUFACTURER = "Nordic Semiconductor ASA"
 )
 
 var (
diff --git a/src/machine/board_nrf52840-mdk.go b/src/machine/board_nrf52840-mdk.go
index 7c7214a8..19c6cbfd 100644
--- a/src/machine/board_nrf52840-mdk.go
+++ b/src/machine/board_nrf52840-mdk.go
@@ -39,7 +39,7 @@ const (
 // USB CDC identifiers
 const (
 	usb_STRING_PRODUCT      = "Makerdiary nRF52840 MDK"
-	usb_STRING_MANUFACTURER = "Makerdiary"
+	usb_STRING_MANUFACTURER = "Nordic Semiconductor ASA"
 )
 
 var (
diff --git a/src/machine/board_pca10059.go b/src/machine/board_pca10059.go
new file mode 100644
index 00000000..fd70cd3b
--- /dev/null
+++ b/src/machine/board_pca10059.go
@@ -0,0 +1,64 @@
+// +build pca10059
+
+package machine
+
+// The PCA10040 has a low-frequency (32kHz) crystal oscillator on board.
+const HasLowFrequencyCrystal = true
+
+// LEDs on the PCA10059 (nRF52840 dongle)
+const (
+	LED  Pin = LED1
+	LED1 Pin = 6
+	LED2 Pin = 8
+	LED3 Pin = (1 << 5) | 9
+	LED4 Pin = 12
+)
+
+// Buttons on the PCA10059 (nRF52840 dongle)
+const (
+	BUTTON  Pin = BUTTON1
+	BUTTON1 Pin = (1 << 5) | 6
+)
+
+// ADC pins
+const (
+	ADC1 Pin = 2
+	ADC2 Pin = 4
+	ADC3 Pin = 29
+	ADC4 Pin = 31
+)
+
+// UART pins
+const (
+	UART_TX_PIN Pin = NoPin
+	UART_RX_PIN Pin = NoPin
+)
+
+// UART0 is the USB device
+var (
+	UART0 = USB
+)
+
+// I2C pins (unused)
+const (
+	SDA_PIN = NoPin
+	SCL_PIN = NoPin
+)
+
+// SPI pins (unused)
+const (
+	SPI0_SCK_PIN = NoPin
+	SPI0_SDO_PIN = NoPin
+	SPI0_SDI_PIN = NoPin
+)
+
+// USB CDC identifiers
+const (
+	usb_STRING_PRODUCT      = "nRF52840 Dongle"
+	usb_STRING_MANUFACTURER = "Nordic Semiconductor ASA"
+)
+
+var (
+	usb_VID uint16 = 0x1915
+	usb_PID uint16 = 0xCAFE
+)
diff --git a/targets/pca10059.json b/targets/pca10059.json
new file mode 100644
index 00000000..efab1b6e
--- /dev/null
+++ b/targets/pca10059.json
@@ -0,0 +1,6 @@
+{
+	"inherits": ["nrf52840"],
+	"build-tags": ["pca10059"],
+	"linkerscript": "targets/pca10059.ld",
+	"flash-command": "nrfutil pkg generate --hw-version 52 --sd-req 0x0 --application {hex} --application-version 1 /tmp/tinygo_$$.zip && nrfutil dfu usb-serial -pkg /tmp/tinygo_$$.zip -p {port} -b 115200 && rm -f /tmp/tinygo_$$.zip"
+}
diff --git a/targets/pca10059.ld b/targets/pca10059.ld
new file mode 100644
index 00000000..18eb10de
--- /dev/null
+++ b/targets/pca10059.ld
@@ -0,0 +1,10 @@
+
+MEMORY
+{
+    FLASH_TEXT (rw) : ORIGIN = 0x00001000, LENGTH = 0xDF000
+    RAM (xrw)       : ORIGIN = 0x20000008, LENGTH = 0x3FFF8
+}
+
+_stack_size = 2K;
+
+INCLUDE "targets/arm.ld"