NEXTION HMI Solution Human Machine Interface for HMI GUI Development , 2.4" LCD-TFT Display | 64MHz MCU, 4MB Flash Memory, Support 15+ WYSIWYG Components, TTL Serial | Black-Yellow | NX3224F028
Nextion is a Human Machine Interface （HMI） solution combining an onboard processor and memory touch display with Nextion Editor software for HMI GUI project development. Using the NEXTION Editor software, you can quickly develop the HMI GUI by drag-and-drop components (graphics, text, button, slider, etc.) and ASCII text-based instructions for coding how components interact at the display side. Nextion HMI display connects to peripheral MCU via TTL Serial (5V, TX, RX ,GND) to provide event notifications that peripheral MCU can act on, the peripheral MCU can easily update progress, and status back to Nextion display utilizing simple ASCII text-based instructions. Comparing with Basic Series, the Discovery Series has a better MCU performance, the same functionalities as Basic, and Lower Price. That’s Nextion Discovery Series Products.
- Performance - 2.4″ LCD-TFT HMI Display, STM32GO ARM Cortex M0+ 64MHz Onboard MCU Processor
- Encoding - Fonts Creator with Versatile Character Encodings
- Easy set up & use -Low Learning Curve Text-based Instruction Set
- up to 15 components -Support 15+ Amazing WYSIWYG Components
- Affordable solution - New Nextion Cost-effective HMI Solution
Nextion Models
| Nextion Type | Basic Series |
| Nextion Models | NX3224F028 |
Specifications
| Data | Description | |
| Color | 64K 65536 colors | 16 bit 565, 5R-6G-5B |
| Layout size | 85(L)×50(W)×5.55(H) | NX3224F028 |
| Visual Area (V.A.) | 57.6mm(L)×43.2mm(W) | |
| Resolution | 320×240 pixel | Also can be set as 240×320 |
| Touch type | Resistive | |
| Touches | > 1 million | |
| Backlight | LED | |
| Backlight lifetime (Average) | >30,000 Hours | |
| Brightness | 300nit | 0% to 100%, the interval of adjustment is 1% |
| Weight | 22g |
Electronic Characteristics
| Test Conditions | Min | Typical | Max | Unit | |
| Operating Voltage | 4.5 | 5.0 | 6.0 | V | |
| Operating Current | VCC=+5V, Brightness is 100% | – | 105 | – | mA |
| Normal SLEEP Mode (lowpower=0) | – | 4.5 | – | mA | |
| Deep SLEEP Mode (lowpower=1) | – | 0.25 | – | mA | |
| 1. Power supply recommend：5V, 500mA, DC.
2. In deep sleep mode, the wake-up time will be longer, the data will be probably lost when the serial port receive is receiving the wake-up command. Therefore, it is recommended to send a void command and delay 50ms before operating. | |||||
Working Environment & Reliability Parameter
| Test Conditions | Min | Typical | Max | Unit | |
| Working Temperature | 5V, Humidity 60% | -20 | 25 | 70 | °C |
| Storage Temperature | -30 | 25 | 80 | °C | |
| Working Humidity | 25°C | 10% | 60% | 90% | RH |
Interfaces Performance
| Test Conditions | Min | Typical | Max | Unit | |
| Serial Port Baudrate | Standard | 2400 | 9600 | 115200 | bps |
| Output High Voltage | IOH=-1mA | 3.0 | 3.2 | V | |
| Output Low Voltage | IOL=1mA | 0.1 | 0.2 | V | |
| Input High Voltage | 2.0 | 3.3 | 5.0 | V | |
| Input Low Voltage | -0.7 | 0.0 | 1.3 | V | |
| Serial Port Mode | 3.3V/5.0V TTL | ||||
| Serial Port | 4Pin_2.54mm | ||||
| USB interface | NO | ||||
| SD card socket | Yes (FAT32 format), support maximum 32G Micro SD Card * microSD card socket is exclusively used to upgrade Nextion firmware /HMI design | ||||
Memory Features
| Memory Type | Test Conditions | Min | Typical | Max | Unit |
| FLASH Memory | Store fonts and images | 4 | MB | ||
| RAM Memory | Store variables | 3584 | BYTE | ||
| Instruction Buffer | 1024 | BYTE |
- NEXTION
- NX3224F028
- 121111
- 31 May, 2023
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