diff --git a/ports/nrf/examples/mountsd.py b/ports/nrf/examples/mountsd.py
deleted file mode 100644
index 1577221a62..0000000000
--- a/ports/nrf/examples/mountsd.py
+++ /dev/null
@@ -1,35 +0,0 @@
-"""
-
-Example for pca10040 / nrf52832 to show how mount
-and list a sdcard connected over SPI.
-
-
-Direct wireing on SD card (SPI):
-   ______________________________
-  |                              \
-  |             9.    | NC    |   \
-  |             1.      | ~CS   | |
-  |             2.      | MOSI  | |
-  |             3.      | GND   | |
-  |             4.      | VCC3.3| |
-  |             5.      | SCK   | |
-  |             6.      | GND   | |
-  |             7.      | MISO  | |
-  |             8.      | NC    | |
-  |                               |
-  ---------------------------------
-"""
-
-import os
-from machine import SPI, Pin
-from sdcard import SDCard
-
-def mnt():
-    cs = Pin("A22", mode=Pin.OUT)
-    sd = SDCard(SPI(0), cs)
-    os.mount(sd, '/')
-
-def list():
-    files = os.listdir()
-    print(files)
-
diff --git a/ports/nrf/examples/nrf52_pwm.py b/ports/nrf/examples/nrf52_pwm.py
deleted file mode 100644
index 2ea1e7be7e..0000000000
--- a/ports/nrf/examples/nrf52_pwm.py
+++ /dev/null
@@ -1,15 +0,0 @@
-import time
-from machine import PWM, Pin
-
-def pulse():
-    for i in range(0, 101):
-        p = PWM(0, Pin("A17", mode=Pin.OUT), freq=PWM.FREQ_16MHZ, duty=i, period=16000)
-        p.init()
-        time.sleep_ms(10)
-        p.deinit()
-
-    for i in range(0, 101):
-        p = PWM(0, Pin("A17", mode=Pin.OUT), freq=PWM.FREQ_16MHZ, duty=100-i, period=16000)
-        p.init()
-        time.sleep_ms(10)
-        p.deinit()
diff --git a/ports/nrf/examples/nrf52_servo.py b/ports/nrf/examples/nrf52_servo.py
deleted file mode 100644
index e9c594af3e..0000000000
--- a/ports/nrf/examples/nrf52_servo.py
+++ /dev/null
@@ -1,50 +0,0 @@
-# This file is part of the MicroPython project, http://micropython.org/
-#
-# The MIT License (MIT)
-#
-# Copyright (c) 2017 Glenn Ruben Bakke
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE
-
-import time
-from machine import PWM, Pin
-
-class Servo():
-    def __init__(self, pin_name=""):
-        if pin_name:
-            self.pin = Pin(pin_name, mode=Pin.OUT, pull=Pin.PULL_DOWN)
-        else:
-            self.pin = Pin("A22", mode=Pin.OUT, pull=Pin.PULL_DOWN)
-    def left(self):
-        p = PWM(0, self.pin, freq=PWM.FREQ_125KHZ, pulse_width=105, period=2500, mode=PWM.MODE_HIGH_LOW)
-        p.init()
-        time.sleep_ms(200)
-        p.deinit()
-        
-    def center(self):
-        p = PWM(0, self.pin, freq=PWM.FREQ_125KHZ, pulse_width=188, period=2500, mode=PWM.MODE_HIGH_LOW)
-        p.init()
-        time.sleep_ms(200)
-        p.deinit()
-        
-    def right(self):
-        p = PWM(0, self.pin, freq=PWM.FREQ_125KHZ, pulse_width=275, period=2500, mode=PWM.MODE_HIGH_LOW)
-        p.init()
-        time.sleep_ms(200)
-        p.deinit()
diff --git a/ports/nrf/examples/powerup.py b/ports/nrf/examples/powerup.py
deleted file mode 100644
index fd7dd83439..0000000000
--- a/ports/nrf/examples/powerup.py
+++ /dev/null
@@ -1,213 +0,0 @@
-# This file is part of the MicroPython project, http://micropython.org/
-#
-# The MIT License (MIT)
-#
-# Copyright (c) 2017 Glenn Ruben Bakke
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE
-
-# MicroPython controller for PowerUp 3.0 paper airplane
-# https://www.poweruptoys.com/products/powerup-v3
-#
-# Examples is written for nrf52832, pca10040 using s132 bluetooth stack.
-#
-# Joystick shield pin mapping:
-#  - analog stick x-direction - ADC0 - P0.02/"A02"
-#  - buttons P0.13 - P0.16 / "A13", "A14", "A15", "A16"
-#
-# Example usage:
-#
-#     from powerup import PowerUp3
-#     p = PowerUp3()
-
-import time
-from machine import ADC
-from machine import Pin
-from ubluepy import Peripheral, Scanner, constants
-
-def bytes_to_str(bytes):
-    string = ""
-    for b in bytes:
-        string += chr(b)
-    return string
-
-def get_device_names(scan_entries):
-    dev_names = []
-    for e in scan_entries:
-        scan = e.getScanData()
-        if scan:
-            for s in scan:
-               if s[0] == constants.ad_types.AD_TYPE_COMPLETE_LOCAL_NAME:
-                   dev_names.append((e, bytes_to_str(s[2])))
-    return dev_names
-
-def find_device_by_name(name):
-    s = Scanner()
-    scan_res = s.scan(500)
-
-    device_names = get_device_names(scan_res)
-    for dev in device_names:
-        if name == dev[1]:
-            return dev[0]
-
-class PowerUp3:
-    def __init__(self):
-        self.x_adc = ADC(1)
-
-        self.btn_speed_up = Pin("A13", mode=Pin.IN, pull=Pin.PULL_UP)
-        self.btn_speed_down = Pin("A15", mode=Pin.IN, pull=Pin.PULL_UP)
-        self.btn_speed_full = Pin("A14", mode=Pin.IN, pull=Pin.PULL_UP)
-        self.btn_speed_off = Pin("A16", mode=Pin.IN, pull=Pin.PULL_UP)
-
-        self.x_mid = 0
-        
-        self.calibrate()
-        self.connect()
-        self.loop()
-        
-    def read_stick_x(self):
-        return self.x_adc.value()
-        
-    def button_speed_up(self):
-        return not bool(self.btn_speed_up.value())
-
-    def button_speed_down(self):
-        return not bool(self.btn_speed_down.value())
-
-    def button_speed_full(self):
-        return not bool(self.btn_speed_full.value())
-
-    def button_speed_off(self):
-        return not bool(self.btn_speed_off.value())
-
-    def calibrate(self):
-        self.x_mid = self.read_stick_x()
-
-    def __str__(self):
-        return "calibration x: %i, y: %i" % (self.x_mid)
-
-    def map_chars(self):
-        s = self.p.getServices()
-
-        service_batt = s[3]
-        service_control = s[4]
-
-        self.char_batt_lvl = service_batt.getCharacteristics()[0]
-        self.char_control_speed = service_control.getCharacteristics()[0]
-        self.char_control_angle = service_control.getCharacteristics()[2]
-
-    def battery_level(self):
-        return int(self.char_batt_lvl.read()[0])
-
-    def speed(self, new_speed=None):
-        if new_speed == None:
-            return int(self.char_control_speed.read()[0])
-        else:
-            self.char_control_speed.write(bytearray([new_speed]))
-
-    def angle(self, new_angle=None):
-        if new_angle == None:
-            return int(self.char_control_angle.read()[0])
-        else:
-            self.char_control_angle.write(bytearray([new_angle]))
-
-    def connect(self):
-        dev = None
-
-        # connect to the airplane
-        while not dev:
-            dev = find_device_by_name("TailorToys PowerUp")
-            if dev:
-                self.p = Peripheral()
-                self.p.connect(dev.addr())
-
-        # locate interesting characteristics
-        self.map_chars()
-
-    def rudder_center(self):
-        if self.old_angle != 0:
-            self.old_angle = 0
-            self.angle(0)
-
-    def rudder_left(self, angle):
-        steps = (angle // self.interval_size_left)
-        new_angle = 60 - steps
-
-        if self.old_angle != new_angle:
-            self.angle(new_angle)
-            self.old_angle = new_angle
-
-    def rudder_right(self, angle):
-        steps = (angle // self.interval_size_right)
-        new_angle = -steps
-
-        if self.old_angle != new_angle:
-            self.angle(new_angle)
-            self.old_angle = new_angle
-
-    def throttle(self, speed):
-        if (speed > 200):
-            speed = 200
-        elif (speed < 0):
-            speed = 0
-
-        if self.old_speed != speed:
-            self.speed(speed)
-            self.old_speed = speed
-
-    def loop(self):
-        adc_threshold = 10
-        right_threshold = self.x_mid + adc_threshold
-        left_threshold = self.x_mid - adc_threshold
-
-        self.interval_size_left = self.x_mid // 60
-        self.interval_size_right = (255 - self.x_mid) // 60
-
-        self.old_angle = 0
-        self.old_speed = 0
-
-        while True:
-
-            time.sleep_ms(100)
-
-            # read out new angle
-            new_angle = self.read_stick_x()
-            if (new_angle < 256):
-                if (new_angle > right_threshold):
-                    self.rudder_right(new_angle - self.x_mid)
-                elif (new_angle < left_threshold):
-                    self.rudder_left(new_angle)
-                else:
-                    self.rudder_center()
-
-            # read out new speed
-            new_speed = self.old_speed
-
-            if self.button_speed_up():
-                new_speed += 25
-            elif self.button_speed_down():
-                new_speed -= 25
-            elif self.button_speed_full():
-                new_speed = 200
-            elif self.button_speed_off():
-                new_speed = 0
-            else:
-                pass
-
-            self.throttle(new_speed)
diff --git a/ports/nrf/examples/seeed_tft.py b/ports/nrf/examples/seeed_tft.py
deleted file mode 100644
index f751bbb0f2..0000000000
--- a/ports/nrf/examples/seeed_tft.py
+++ /dev/null
@@ -1,210 +0,0 @@
-# This file is part of the MicroPython project, http://micropython.org/
-#
-# The MIT License (MIT)
-#
-# Copyright (c) 2016 Glenn Ruben Bakke
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-
-"""
-MicroPython Seeedstudio TFT Shield V2 driver, SPI interfaces, Analog GPIO
-Contains SD-card reader, LCD and Touch sensor
-
-The pca10040 pin layout is used as reference.
-
-Example usage of LCD:
-
-    from seeedstudio_tft_shield_v2 import ILI9341
-
-    lcd = ILI9341(240, 320)
-    lcd.text("Hello World!, 32, 32)
-    lcd.show()
-
-Example usage of SD card reader:
-
-    import os
-    from seeedstudio_tft_shield_v2 import mount_tf
-
-    tf = mount_tf()
-    os.listdir()
-"""
-import os
-import time
-import framebuf
-
-from machine import SPI, Pin
-from sdcard import SDCard
-
-def mount_tf(self, mount_point="/"):
-    sd = SDCard(SPI(0), Pin("A15", mode=Pin.OUT))
-    os.mount(sd, mount_point)
-
-class ILI9341:
-    def __init__(self, width, height):
-        self.width = width
-        self.height = height
-        self.pages = self.height // 8
-        self.buffer = bytearray(self.pages * self.width)
-        self.framebuf = framebuf.FrameBuffer(self.buffer, self.width, self.height, framebuf.MONO_VLSB)
-
-        self.spi = SPI(0)
-        # chip select
-        self.cs = Pin("A16", mode=Pin.OUT, pull=Pin.PULL_UP)
-        # command
-        self.dc = Pin("A17", mode=Pin.OUT, pull=Pin.PULL_UP)
-        
-        # initialize all pins high
-        self.cs.high()
-        self.dc.high()
-
-        self.spi.init(baudrate=8000000, phase=0, polarity=0)
-
-        self.init_display()
-        
-
-    def init_display(self):
-        time.sleep_ms(500)
-        
-        self.write_cmd(0x01)
-        
-        time.sleep_ms(200)
-    
-        self.write_cmd(0xCF)
-        self.write_data(bytearray([0x00, 0x8B, 0x30]))
-    
-        self.write_cmd(0xED)
-        self.write_data(bytearray([0x67, 0x03, 0x12, 0x81]))
-
-        self.write_cmd(0xE8)
-        self.write_data(bytearray([0x85, 0x10, 0x7A]))
-    
-        self.write_cmd(0xCB)
-        self.write_data(bytearray([0x39, 0x2C, 0x00, 0x34, 0x02]))
-    
-        self.write_cmd(0xF7)
-        self.write_data(bytearray([0x20]))
-
-        self.write_cmd(0xEA)
-        self.write_data(bytearray([0x00, 0x00]))
-
-        # Power control
-        self.write_cmd(0xC0)
-        # VRH[5:0]
-        self.write_data(bytearray([0x1B]))
-        
-        # Power control
-        self.write_cmd(0xC1)
-        # SAP[2:0];BT[3:0]
-        self.write_data(bytearray([0x10]))
-        
-        # VCM control
-        self.write_cmd(0xC5)
-        self.write_data(bytearray([0x3F, 0x3C]))
-    
-        # VCM control2
-        self.write_cmd(0xC7)
-        self.write_data(bytearray([0xB7]))
-    
-        # Memory Access Control
-        self.write_cmd(0x36)
-        self.write_data(bytearray([0x08]))
-    
-        self.write_cmd(0x3A)
-        self.write_data(bytearray([0x55]))
-    
-        self.write_cmd(0xB1)
-        self.write_data(bytearray([0x00, 0x1B]))
-        
-        # Display Function Control
-        self.write_cmd(0xB6)
-        self.write_data(bytearray([0x0A, 0xA2]))
-    
-        # 3Gamma Function Disable
-        self.write_cmd(0xF2)
-        self.write_data(bytearray([0x00]))
-        
-        # Gamma curve selected
-        self.write_cmd(0x26)
-        self.write_data(bytearray([0x01]))
-    
-        # Set Gamma
-        self.write_cmd(0xE0)
-        self.write_data(bytearray([0x0F, 0x2A, 0x28, 0x08, 0x0E, 0x08, 0x54, 0XA9, 0x43, 0x0A, 0x0F, 0x00, 0x00, 0x00, 0x00]))
-    
-        # Set Gamma
-        self.write_cmd(0XE1)
-        self.write_data(bytearray([0x00, 0x15, 0x17, 0x07, 0x11, 0x06, 0x2B, 0x56, 0x3C, 0x05, 0x10, 0x0F, 0x3F, 0x3F, 0x0F]))
-        
-        # Exit Sleep
-        self.write_cmd(0x11)
-        time.sleep_ms(120)
-        
-        # Display on
-        self.write_cmd(0x29)
-        time.sleep_ms(500)
-        self.fill(0)
-
-    def show(self):
-        # set col
-        self.write_cmd(0x2A)
-        self.write_data(bytearray([0x00, 0x00]))
-        self.write_data(bytearray([0x00, 0xef]))
-        
-        # set page 
-        self.write_cmd(0x2B)
-        self.write_data(bytearray([0x00, 0x00]))
-        self.write_data(bytearray([0x01, 0x3f]))
-
-        self.write_cmd(0x2c);
-
-        num_of_pixels = self.height * self.width
-
-        for row in range(0, self.pages):
-            for pixel_pos in range(0, 8):
-                for col in range(0, self.width):
-                    compressed_pixel = self.buffer[row * 240 + col]
-                    if ((compressed_pixel >> pixel_pos) & 0x1) == 0:
-                        self.write_data(bytearray([0x00, 0x00]))
-                    else:
-                        self.write_data(bytearray([0xFF, 0xFF]))
-
-    def fill(self, col):
-        self.framebuf.fill(col)
-
-    def pixel(self, x, y, col):
-        self.framebuf.pixel(x, y, col)
-
-    def scroll(self, dx, dy):
-        self.framebuf.scroll(dx, dy)
-
-    def text(self, string, x, y, col=1):
-        self.framebuf.text(string, x, y, col)
-
-    def write_cmd(self, cmd):
-        self.dc.low()
-        self.cs.low()
-        self.spi.write(bytearray([cmd]))
-        self.cs.high()
-        
-    def write_data(self, buf):
-        self.dc.high()
-        self.cs.low()
-        self.spi.write(buf)
-        self.cs.high()
-
diff --git a/ports/nrf/examples/ssd1306_mod.py b/ports/nrf/examples/ssd1306_mod.py
deleted file mode 100644
index 0cee2c2a67..0000000000
--- a/ports/nrf/examples/ssd1306_mod.py
+++ /dev/null
@@ -1,27 +0,0 @@
-# NOTE: Modified version to align with implemented I2C API in nrf port.
-#
-# Examples usage of SSD1306_SPI on pca10040
-#
-# from machine import Pin, SPI
-# from ssd1306 import SSD1306_SPI
-# spi = SPI(0, baudrate=40000000)
-# dc = Pin.board.PA11
-# res = Pin.board.PA12
-# cs = Pin.board.PA13
-# disp = SSD1306_SPI(128, 64, spi, dc, res, cs)
-#
-#
-# Example usage of SSD1306_I2C on pca10040
-#
-# from machine import Pin, I2C
-# from ssd1306_mod import SSD1306_I2C_Mod
-# i2c = I2C(0, Pin.board.PA3, Pin.board.PA4)
-# disp = SSD1306_I2C_Mod(128, 64, i2c)
-
-from ssd1306 import SSD1306_I2C
-
-class SSD1306_I2C_Mod(SSD1306_I2C):
-
-    def write_data(self, buf):
-        buffer = bytearray([0x40]) + buf # Co=0, D/C#=1
-        self.i2c.writeto(self.addr, buffer)