diff --git a/src/machine/board_nodemcu.go b/src/machine/board_nodemcu.go
index 30c16acf..f9f1af4f 100644
--- a/src/machine/board_nodemcu.go
+++ b/src/machine/board_nodemcu.go
@@ -19,3 +19,17 @@ const (
 
 // Onboard blue LED (on the AI-Thinker module).
 const LED = D4
+
+// SPI pins
+const (
+	SPI0_SCK_PIN = D5
+	SPI0_SDO_PIN = D7
+	SPI0_SDI_PIN = D6
+	SPI0_CS0_PIN = D8
+)
+
+// I2C pins
+const (
+	SDA_PIN = D2
+	SCL_PIN = D1
+)
diff --git a/targets/d1mini.json b/targets/d1mini.json
new file mode 100644
index 00000000..45116dec
--- /dev/null
+++ b/targets/d1mini.json
@@ -0,0 +1,3 @@
+{
+	"inherits": ["nodemcu"]
+}