diff --git a/main.go b/main.go
index b219373..27a6802 100644
--- a/main.go
+++ b/main.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	"go-orange/orangefork"
+	_ "go-orange/orangefork"
 	"periph.io/x/conn/v3/gpio"
 	"periph.io/x/host/v3"
 	"periph.io/x/host/v3/orangepi"
@@ -10,10 +10,10 @@ import (
 )
 
 func main() {
-	fmt.Println(orangefork.Foo())
-	if 1 == 2-1 {
-		return
-	}
+	//fmt.Println(orangefork.Foo())
+	//if 1 == 2-1 {
+	//	return
+	//}
 	s, err := host.Init()
 	if err != nil {
 		fmt.Printf("%s", err)
diff --git a/orangefork/orangefork.go b/orangefork/orangefork.go
index 8bcff9f..82924f3 100644
--- a/orangefork/orangefork.go
+++ b/orangefork/orangefork.go
@@ -1,8 +1,167 @@
 package orangefork
 
-func Foo() string {
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"periph.io/x/conn/v3/driver/driverreg"
+	"periph.io/x/conn/v3/gpio"
+	"periph.io/x/conn/v3/pin"
+	"periph.io/x/conn/v3/pin/pinreg"
+	"periph.io/x/host/v3/allwinner"
+	"periph.io/x/host/v3/distro"
+)
+
+// Present return true if a Orange Pi board is detected.
+func Present() bool {
 	if isArm {
-		return "is arm"
+		// This works for the Orange Pi Zero, not sure if other Orange Pi boards
+		// match the same DTModel prefix.
+		return strings.HasPrefix(distro.DTModel(), "OrangePi")
 	}
-	return "is not arm"
+
+	return false
 }
+
+const (
+	boardZero string = "Orange Pi Zero" // + LTS (H2/H3 have identical pinouts)
+)
+
+var (
+	PA1_1  pin.Pin    = pin.DC_IN // VCC 3v3 Ext
+	PA1_2  pin.Pin    = pin.V5
+	PA1_3  gpio.PinIO = allwinner.PA12
+	PA1_4  pin.Pin    = pin.V5
+	PA1_5  gpio.PinIO = allwinner.PA11
+	PA1_6  pin.Pin    = pin.GROUND
+	PA1_7  gpio.PinIO = allwinner.PA6
+	PA1_8  gpio.PinIO = allwinner.PG6
+	PA1_9  pin.Pin    = pin.GROUND
+	PA1_10 gpio.PinIO = allwinner.PG7
+	PA1_11 gpio.PinIO = allwinner.PA1
+	PA1_12 gpio.PinIO = allwinner.PA7
+	PA1_13 gpio.PinIO = allwinner.PA0
+	PA1_14 pin.Pin    = pin.GROUND
+	PA1_15 gpio.PinIO = allwinner.PA3
+	PA1_16 gpio.PinIO = allwinner.PA19
+	PA1_17 pin.Pin    = pin.DC_IN // VCC 3v3 Ext
+	PA1_18 gpio.PinIO = allwinner.PA18
+	PA1_19 gpio.PinIO = allwinner.PA15
+	PA1_20 pin.Pin    = pin.GROUND
+	PA1_21 gpio.PinIO = allwinner.PA16
+	PA1_22 gpio.PinIO = allwinner.PA2
+	PA1_23 gpio.PinIO = allwinner.PA14
+	PA1_24 gpio.PinIO = allwinner.PA13
+	PA1_25 pin.Pin    = pin.GROUND
+	PA1_26 gpio.PinIO = allwinner.PA10
+
+	FUN1_1  pin.Pin = pin.V5
+	FUN1_2  pin.Pin = pin.GROUND
+	FUN1_3  pin.Pin = gpio.INVALID       // USB-DM2
+	FUN1_4  pin.Pin = gpio.INVALID       // USB-DP2
+	FUN1_5  pin.Pin = gpio.INVALID       // USB-DM3
+	FUN1_6  pin.Pin = gpio.INVALID       // USB-DP3
+	FUN1_7  pin.Pin = allwinner.HP_RIGHT // LINEOUTR
+	FUN1_8  pin.Pin = allwinner.HP_LEFT  // LINEOUTL
+	FUN1_9  pin.Pin = gpio.INVALID       // TVOUT
+	FUN1_10 pin.Pin = gpio.INVALID       // MBIAS, Bias Voltage output for mic
+	FUN1_11 pin.Pin = allwinner.MIC_IN   // INPUT Analog Microphone pin (+)
+	FUN1_12 pin.Pin = allwinner.MIC_GND  // INPUT Analog Microphone pin (-)
+	FUN1_13 pin.Pin = allwinner.PL11     // IR-RX
+)
+
+// registerHeaders registers the headers for various Orange Pi boards. Currently
+// only Orange Pi Zero is supported.
+func registerHeaders(model string) error {
+	// http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/details/Orange-Pi-Zero.html
+	if strings.Contains(model, boardZero) {
+		// 26pin expansion port
+		if err := pinreg.Register("PA", [][]pin.Pin{
+			{PA1_1, PA1_2},
+			{PA1_3, PA1_4},
+			{PA1_5, PA1_6},
+			{PA1_7, PA1_8},
+			{PA1_9, PA1_10},
+			{PA1_11, PA1_12},
+			{PA1_13, PA1_14},
+			{PA1_15, PA1_16},
+			{PA1_17, PA1_18},
+			{PA1_19, PA1_20},
+			{PA1_21, PA1_22},
+			{PA1_23, PA1_24},
+			{PA1_25, PA1_26},
+		}); err != nil {
+			return err
+		}
+
+		// 13pin function interface
+		if err := pinreg.Register("FUN", [][]pin.Pin{
+			{FUN1_1},
+			{FUN1_2},
+			{FUN1_3},
+			{FUN1_4},
+			{FUN1_5},
+			{FUN1_6},
+			{FUN1_7},
+			{FUN1_8},
+			{FUN1_9},
+			{FUN1_10},
+			{FUN1_11},
+			{FUN1_12},
+			{FUN1_13},
+		}); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// driver implements periph.Driver.
+type driver struct {
+}
+
+// String is the text representation of the board.
+func (d *driver) String() string {
+	return "fork-orangepi"
+}
+
+// Prerequisites load drivers before the actual driver is loaded. For
+// these boards, we do not need any prerequisites.
+func (d *driver) Prerequisites() []string {
+	return nil
+}
+
+// After this driver is loaded, we need to load generic Allwinner drivers
+// for the GPIO pins which are identical on all Allwinner CPUs.
+func (d *driver) After() []string {
+	return []string{"allwinner-gpio", "allwinner-gpio-pl"}
+}
+
+// Init initializes the driver by checking its presence and if found, the
+// driver will be registered.
+func (d *driver) Init() (bool, error) {
+	if !Present() {
+		return false, errors.New("borad Orange Pi not detected")
+	}
+
+	model := distro.DTModel()
+	if model == "<unknown>" {
+		return true, fmt.Errorf("orangepi: failed to obtain model")
+	}
+
+	err := registerHeaders(model)
+	return true, err
+}
+
+// init register the driver.
+func init() {
+	if isArm {
+		driverreg.MustRegister(&drv)
+	} else {
+		fmt.Println("Is not arm, cannot load orange fork")
+	}
+}
+
+var drv driver