Nextion Discovery NX3224F024 HMI Display 2.4 Inch 320x240 with Touchscreen

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SKU: 004717

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Description
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Complete HMI display with touchscreen. This display can be controlled serially via a UART port. The graphical interface of this module can be programmed via an SD card or via the UART connection.
Decide for yourself what the screen looks like and program the interface with the touchscreen yourself. See the following page for examples and libraries for the Arduino IDE: GitHub

The Discovery Nextion displays have a number of advantages compared to the normal Nextion displays:

Faster MCU
New image compression technique: Store more images

See the following page for more information: NX3224F024

*Note: It is important that you use a good quality power supply, the display will be damaged quickly if the power supply provides a too high or too low voltage.

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Tags: Nextion Discovery NX3224F024 HMI Display 2.4 Inch 320x240 with Touchscreen , NX3224F024_011R , Nextion

Specifications

General
Brand	Nextion
Manufacturer model/SKU	NX3224F024_011R
Norm conformity	RoHS CE
Minimum operating humidity [%R.H.]	10
Maximum operating humidity [%R.H.]	90
Minimum operating temperature [°C]	-20
Maximum operating temperature [°C]	70
Features	Display Microcontroller Touchscreen SD-card adapter
General physical appearance
Main color	Orange
Weight [g]	28
Dimension X [mm]	74
Dimension Y [mm]	43
Mounting options	Mounting hole(s)
Form factor	Module (general)
General electrical properties
Minimum supply voltage [V DC]	4.5
Maximum supply voltage [V DC]	6
Minimum recommended supply current [A]	0.5
Indication average current consumption [mA]	90
Indication (deep-)sleep current [μA]	250
Minimum IO-pin input voltage [V]	3.3
Maximum IO-pin input voltage [V]	5
IO-pin output voltage [V]	3.3
MCU/SoC
Maximum clock frequency [MHz]	64
Internal memory
SRAM [KB]	3.5
Flash memory [MB]	4
Communication
Hardware interface(s)	UART
Default baudrate	9600
Supported SD card size	Micro SD
Supported SD File Format	FAT32
Maximum supported SD capacity [GB]	32
Display
Type	TFT
Screen diagonal [inch]	2.4
Number of pixels long side	320
Number of pixels short side	240
Pixel colors	RGB
Maximum brightness [cd/m²]	300
Touchscreen
Touch type	Resistive
Multi-touch support	No
Connectors
Power supply connector(s)	JST-XH (compatible) male
IO-connector(s)	JST-XH (compatible) male
Package contents
Package contents	1x NX3224F024 1x Micro USB to pin header adapter 1x JST-XH 4p to DuPont kabel

Product FAQ

Can I power the device with an Arduino or other development board?

This is not possible in most cases. Most development boards (including Uno, Mega, NodeMCU, D1 Mini V3, etc.) have a diode between the 5V pin and the USB input that lowers the voltage. If the voltage from the 5V pin is lower than the required minimum of the device (see specifications) then it cannot function properly. In addition, many development boards can only provide little power. This can also cause it to malfunction. Using an insufficient power supply can even damage the device. Therefore, make sure that you use a suitable power supply and that it is connected correctly. It is advised to verify the supply voltage by measuring it.

The HMI is not functioning properly. What causes this?

In most cases, this is caused by insufficient power supply condition. Nextion HMIs require a good quality power supply. When the power supply provides too little current, has too low a voltage and/or generates too much ripple, several problems can arise, such as:

Flashing
Blurred screen
Freeze
Damage to the HMI

A good quality CE-approved power supply is required that can supply enough current and has the correct voltage. If necessary, measure the voltage directly on the Vcc and GND pins of the HMI.