MotorcycleDisplayscreen

The hardware setup is common to some of my other Instructables, it consists of the UNO, the 2.2" TFT display based on the ILI9341 driver chip and a set of libraries that are enhanced versions of the Adafruit GFX and ILI9341 libraries.

These different schemes set the colour change as the value grows from vmin to vmax, so for example in the following the colour scheme is change from Blue to Red as the value increases:

Part of the inspiration for the development of the graphic was to have a similar style to the forthcoming Adafruit IO "Internet of Things" website.

In this case a temperature reading is being plotted in the range -10 to +50 degrees C, as the value increases the segments turn from blue (cold!) to red (hot!) as shown in the picture.

TFT Meter DisplayHonda

The example sketch included in the instructable includes the meter drawing function to use in your own projects, the function is not in a library so could be adapted for use with other graphics libraries. The meter drawing function has been "parameterised" so the meter size, position, range, units and colour scheme can be easily configured to suit your own needs.

Eventually I will add speed enhancing code for the Mega as that is likely to be the upgrade path for projects that use large font files!

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The DB9 pin Serial RS232 plus DC power connector allows you to bring serial connectivity and power to another device. The way this cable works is that a DB9 serial connection does not use all its 9 pins in the interface with an RS232 cable. Therefore, we designed this cable to piggy-back a power supply so that those previously unused pins now provide 5V power.

Oct 8, 2013 — 16:9 is the aspect ratio for wide screen image resolutions, such as 1080 and 720, which can be progressive (p) or interlaced (i).

Description. This 2m long One Wire Temperature Sensor has a waterproof probe and long wire shape, suitable for immersive temperature detection. The chip inside ...

The meter position and size can be set as desired to make a meter arrangement that suits your taste. The sizes are set independently so more important information can be shown with a bigger graphic, or the display could cycle though several meters.

Image

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To use with others such as the Mega the SPI pins in the sketch will need to be changed and also the #define F_AS_T line will need to be commented out in the "Adafruit_ILI9341_FAST.h" file found inside the "Adafruit_ILI9341_AS" library. When the line is commented out the ATmega328 specific code will not be used so the display updates will be 50% slower.

TFTLED

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What is Driver Attention Monitor

The value displayed is shown as a bar graph that can be segmented or continuous. Larger values are shown as more segments being coloured in, thus the display gives an instant visual indication of a reading at a glance without having to read the numbers. The numerical value is shown in the center of the ring, a bit like the Google Nest display.

Warning: This version of the "Adafruit_GFX_AS" has NOT been tested with the other display libraries (S6D02A1 and ST7735) in my other instructables. So please keep a copy of your old library in case this one has an incompatibility! I will be adding compatible hardware drivers to this instructable at some point...

The libraries and sketch were really developed for my own use and hence may have a few rough edges... but it works for me! If you have problems then report them below and I will try to help... given time!

The display is a 2.2" 320 x 240 pixel TFT colour display with the ILI9341 driver chip, this is driven by an Arduino UNO.

Best motorcycleTFT display

It is important to include the 1K8 resistors to GND with this 2.2" display as otherwise it will not work! The 1K2 and 1K8 resistors are a "potential divider", acting as a logic level shifter so that the logic level at the display is reduced from 5V to around 3V. Pin 9 of the display does not need to be connected up.

Touch screens have been used in many occasions well before these mobile devices appeared. Its intuitive operation is useful to users, and its high degree of ...

The colour of the ring segments can be set to change as the value increases, so this means a display showing temperatures can be set change from blue to red as the temperature increases. Another display for say a battery level could change from red for a low value, through yellow to green for a high value.

Some fonts have been disabled in the "Load_fonts.h" file to save space in the compiled sketch. Fonts 2,4 and 6 are enabled.

The libraries attached have been enhanced to give a much faster performance on an UNO using direct port access, other boards could be used by commenting out a #define and changing the the SPI pins.

The "Sine wave" animation is limited mainly by the floating point maths involved and could be speeded up dramatically by using a simple Sine lookup table, that test would then be over in the blink of an eye!

Raspberry Pi displays - tactile, segmented, e-paper, LCD, LED, OLED and TFT. Raspberry Pi displays for e-books, management systems and controllers.

The "Adafruit_ILI9341_AS" library as provided here is optimised for the UNO and ATmega 328p microcontroller, so it is best to start with that device.

One video is the UTFT Demo running on a Mega board with a 16 bit parallel interface to the display. It is faster mostly because the 10,000 pixel plot test at the end has been changed so 30,000 16 bit random numbers do not need to be produced at the same time as plotting 10,000 pixels (generating 30,000 16 bit random values takes nearly 3 seconds so the UNO can really drive the display faster than it appears during that part of the test!)

The unlit segments are dark grey (these segments look brighter in the images as I had to adjust the web cam settings to try to capture the display colours.)

2Pack 8x8 Dot Matrix Single Green Light MCU Control LED Display Module for Arduino/MCU/51/AVR/STM32/Raspberry Pi with Dupont Cable

TFTLCD

scheme sets the colour scheme, there are some # define statements in the example that enumerate the settings available, others could be added:

4 Apr 2013 — Historians generally consider the first finger-driven touchscreen to have been invented by E.A. Johnson in 1965 at the Royal Radar Establishment ...

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... displays. An LCD module (LCM) is a ready-to-use LCD with a backlight. Thus, a factory that makes LCD modules does not necessarily make LCDs, it may only ...

I have included a couple of short (!) videos (rather poor quality...) showing the graphics speed using an UNO and hardware SPI. (These have had the long delay() intervals between each test screen removed from the sketch!)

2024321 — IPS panels offer the most consistent colors and a quick pixel response time speed as well as the widest viewing angles, but they don't have as ...