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Introduction
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video
Introduction
Description:
HW-019PCZ001-01 is a 1.9 inch square tft lcd module in 170x320 resolution with MCU 8 bits interface, in 30 pins, and could be customized for other pinmap. LCM Brightness is 500 nits. Backlight current is 80mA and backlight voltage is 3.2V, with 4 backlight LEDs. This 1.9 inch TFT LCD module is equipped with ST7789 drive IC, all o'clock viewing direction, 262K color depth, white backlight and transmissive type. The display utilizes In-Plane Switching (IPS) technology, which provides a full viewing angle, ensuring that the screen content is easily visible from any direction without any color distortion or fading.
Drawing:
Specifications:
| Mechanical Specification | ||
| Display Size | 1.9 inch | |
| Outline Dimension | 33.88*56.06*3.1 mm | |
| Pixel Size | 0.1335 (H) x 0.1335 (V) mm | |
| Display Type | IPS | |
| Resolution | 170*RGB*320 | |
| Screen Color | 262K | |
| Driver IC | ST7789 | |
| Viewing Direction | All O'clock | |
| Interface | MCU 8BIT | |
| Backlight Type | LED White | |
| Work Temperature | -20~+70℃ | |
| Storage Temperature | -30~+80℃ | |
| Pins Description | ||
| Pin No. | Pin Name | Description |
| 1 | GND | Power Ground |
| 2 | VCC | Power Supply |
| 3 | IM2 | The MCU interface mode select |
| 4 | IM1 | |
| 5 | RES | This signal will reset the device and it must be applied to properly initialize the chip. Signal is active low. |
| 6 | CS | Chip selection pin |
| 7 | DC | Display data/command selection pin in parallel interface. This pin is used to be serial interface clock. |
| 8 | WR | Write enable in MCU parallel interface. Display data/command selection pin in 4-line serial interface. |
| 9 | RD | Read enable in 8080 MCU parallel interface. |
| 10 | SDA | SPI interface input pin |
| 11-18 | DB0~DB7 | Data bus |
| 19 | SDO | SPI interface output pin |
| 20 | LEDA | LED Anode Connect to LED-A |
| 21-24 | LEDK | LED Cathode Connect to LED-K |
| 25 | GND | Power Ground |
| 26-29 | NC | NOT Connect |
| 30 | GND | Power Ground |
Applications:
A 1.9-inch small TFT LCD display finds versatile applications in various compact electronic devices due to its compact size and vibrant visual output. This diminutive yet dynamic display is commonly employed in wearable devices, such as smartwatches and fitness trackers, where space is at a premium.
Its compact form factor makes it ideal for integration into portable gadgets, providing users with a clear and concise visual interface without compromising on size or weight. The TFT LCD's vivid colors and sharp resolution enhance the user experience, making it suitable for displaying notifications, health metrics, and other essential information on wearable tech.
Whether it's enhancing the user interface of a wearable device or providing a clear visual output in a compact electronic instrument, the 1.9-inch TFT LCD display proves to be a versatile and indispensable component in the realm of miniaturized technology.