Nextion Discovery NX4832F035 HMI Display 3.5 Inch 480x320 with Touchscreen

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SKU: 004065

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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

Specifications:

Supply voltage: 4.5 - 6V DC
Signal voltage: 3 - 5V
Current: ~105mA (maximum brightness), ~4.5mA (sleep mode), ~0.25mA (deep sleep)
Recommended power supply: 5V, minimum 500mA*
Microcontroller:
- Clock frequency: 64MHz
- Flash memory: 16MB
- RAM: 3584B
- Instruction buffer: 1024B
Communication:
- Interface: UART
- Baud rate: 2400 - 115200 (default 9600)
Display:
- Type: TFT
- Screen diagonal: 3.5 inch
- Screen size: 73.44 x 48.96mm
- Resolution: 320x240 pixels
- Brightness: 0 ~ 300 nits (adjustable by 1%)
- Pixel color: RGB
- Color combinations: 64K (65536)
Touch screen:
- Type: Resistive
SD card adapter:
- Format: MicroSD
- Maximum capacity: 32GB
- Supported file formats: FAT32
Connector: JST-XH 4p male
Operating humidity: 10 - 90% RH
Operating temperature: -20 - 70°C
Dimensions PCB: 100.5 x 55mm

Package contents:

1x Nextion Discovery NX4832F035 HMI Display 3.5 Inch 480x320 with Touchscreen
1x JST-XH 4p female to DuPont 4x1p female cable for programming and power
1x Micro USB to DIP power adapter

See the following page for more information: NX4832F035

*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 NX4832F035 HMI Display 3.5 Inch 480x320 with Touchscreen , NX4832F035_011R , Nextion

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.