diff --git a/gui/primitives/pushbutton.py b/gui/primitives/pushbutton.py
index 4859f33..008a0c4 100644
--- a/gui/primitives/pushbutton.py
+++ b/gui/primitives/pushbutton.py
@@ -115,6 +115,8 @@ class ESP32Touch(Pushbutton):
     thresh = (80 << 8) // 100
     @classmethod
     def threshold(cls, val):
+        if not (isinstance(val, int) and 0 < val < 100):
+            raise ValueError("Threshold must be in range 1-99")
         cls.thresh = (val << 8) // 100
 
     def __init__(self, pin, suppress=False):
diff --git a/setup_examples/ssd1351_pyb.py b/setup_examples/ssd1351_pyb.py
new file mode 100644
index 0000000..58d1240
--- /dev/null
+++ b/setup_examples/ssd1351_pyb.py
@@ -0,0 +1,42 @@
+# ssd1351_setup.py
+
+
+# WIRING (Adafruit pin nos and names).
+# Pyb   SSD
+# Gnd   Gnd
+# 3V3   Vcc
+# Y11   RESET
+# Y12   D/C
+# W32   TFT_CS
+# Y8    MOSI
+# Y6    SCK
+# Vin   LITE (10) Backlight
+
+from machine import Pin, SPI
+import gc
+import time
+
+from drivers.ssd1351.ssd1351 import SSD1351 as SSD
+pp = Pin('EN_3V3')
+pp(1)
+time.sleep(1)
+
+# height = 96  # 1.27 inch 96*128 (rows*cols) display
+height = 128 # 1.5 inch 128*128 display
+
+pdc = Pin('X1', Pin.OUT_PP, value=0)
+pcs = Pin('X2', Pin.OUT_PP, value=1)
+prst = Pin('X3', Pin.OUT_PP, value=1)
+spi = SPI(2, baudrate=20_000_000)
+gc.collect()  # Precaution before instantiating framebuf
+ssd = SSD(spi, pcs, pdc, prst, height)  # Create a display instance
+from gui.core.ugui import Display
+
+# Create and export a Display instance
+# Define control buttons
+nxt = Pin(Pin.board.Y11, Pin.IN, Pin.PULL_UP)  # Move to next control
+sel = Pin(Pin.board.Y10, Pin.IN, Pin.PULL_UP)  # Operate current control
+prev = Pin(Pin.board.Y12, Pin.IN, Pin.PULL_UP)  # Move to previous control
+increase = Pin(Pin.board.W32, Pin.IN, Pin.PULL_UP)  # Increase control's value
+decrease = Pin(Pin.board.Y9, Pin.IN, Pin.PULL_UP)  # Decrease control's value
+display = Display(ssd, nxt, sel, prev, increase, decrease, 4)
diff --git a/setup_examples/st7789_pico_lcd_114_rgb565.py b/setup_examples/st7789_pico_lcd_114_rgb565.py
new file mode 100644
index 0000000..2d55ca2
--- /dev/null
+++ b/setup_examples/st7789_pico_lcd_114_rgb565.py
@@ -0,0 +1,56 @@
+# hardware_setup.py Customise for your hardware config
+
+# Released under the MIT License (MIT). See LICENSE.
+# Copyright (c) 2021 Peter Hinch
+
+# Supports:
+# Waveshare Pico LCD 1.14" 135*240(Pixel) based on ST7789V
+
+
+# Demo of initialisation procedure designed to minimise risk of memory fail
+# when instantiating the frame buffer. The aim is to do this as early as
+# possible before importing other modules.
+
+from machine import Pin, SPI
+import gc
+
+from drivers.st7789.pico import *
+SSD = LCD_1inch14
+
+pcs = Pin(9, Pin.OUT, value=1)
+prst = Pin(12, Pin.OUT, value=1)
+pbl = Pin(13, Pin.OUT, value=1)
+
+gc.collect()  # Precaution before instantiating framebuf
+# Conservative low baudrate. Can go to 62.5MHz.
+spi = SPI(1, 10_000_000, sck=Pin(10), mosi=Pin(11), miso=None)  # miso on pin 8 seems to cattle it
+pdc = Pin(8, Pin.OUT, value=0)  # Bloody Waveshare use the MISO pin for d/c
+
+'''            TTGO 
+     v  +----------------+
+ 40  |  |                |
+     ^  |    +------+    | pin 36
+     |  |    |      |    |
+     |  |    |      |    |
+240  |  |    |      |    |
+     |  |    |      |    |
+     |  |    |      |    |
+     v  |    +------+    |
+ 40  |  |                | Reset button
+     ^  +----------------+
+        >----<------>----<        
+          52   135    xx
+        BUTTON2    BUTTON1
+'''
+
+ssd = SSD(spi, dc=pdc, spics=pcs, rst=prst)
+
+from gui.core.ugui import Display
+# Create and export a Display instance
+# Define control buttons
+nxt = Pin(20, Pin.IN, Pin.PULL_UP)  # Move to next control
+sel = Pin(3, Pin.IN, Pin.PULL_UP)  # Operate current control
+prev = Pin(16, Pin.IN, Pin.PULL_UP)  # Move to previous control
+increase = Pin(2, Pin.IN, Pin.PULL_UP)  # Increase control's value
+decrease = Pin(18, Pin.IN, Pin.PULL_UP)  # Decrease control's value
+display = Display(ssd, nxt, sel, prev, increase, decrease)
diff --git a/setup_examples/st7789_ttgo_touch.py b/setup_examples/st7789_ttgo_touch.py
new file mode 100644
index 0000000..c5ad366
--- /dev/null
+++ b/setup_examples/st7789_ttgo_touch.py
@@ -0,0 +1,35 @@
+# color_setup.py Customise for your hardware config
+
+# Released under the MIT License (MIT). See LICENSE.
+# Copyright (c) 2021 Peter Hinch, Ihor Nehrutsa
+
+from machine import Pin, SPI, ADC, freq
+import gc
+
+from drivers.st7789.st7789_4bit import *
+SSD = ST7789
+
+pdc = Pin(16, Pin.OUT, value=0)  # Arbitrary pins
+pcs = Pin(5, Pin.OUT, value=1)
+prst = Pin(23, Pin.OUT, value=1)
+pbl = Pin(4, Pin.OUT, value=1)  # Backlight
+gc.collect()  # Precaution before instantiating framebuf
+# Conservative low baudrate. Can go to 62.5MHz.
+spi = SPI(1, 30_000_000, sck=Pin(18), mosi=Pin(19))
+freq(160_000_000)
+
+# Right way up landscape: defined as top left adjacent to pin 36
+ssd = SSD(spi, height=135, width=240, dc=pdc, cs=pcs, rst=prst, disp_mode=LANDSCAPE, display=TDISPLAY)
+# Normal portrait display: consistent with TTGO logo at top
+# ssd = SSD(spi, height=240, width=135, dc=pdc, cs=pcs, rst=prst, disp_mode=PORTRAIT, display=TDISPLAY)
+
+from gui.core.ugui import Display
+# Create and export a Display instance
+# Define control buttons
+nxt = Pin(13)  # Move to next control
+sel = Pin(15)  # Operate current control
+prev = Pin(33)  # Move to previous control
+increase = Pin(32)  # Increase control's value
+decrease = Pin(27)  # Decrease control's value
+display = Display(ssd, nxt, sel, prev, increase, decrease, False, 85)
+