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4.3 inch ESP32-S3 Development Board with Wi-Fi, Bluetooth 480*272 Resistive Touchscreen TFT Display
MTR043S-ESP32-S3
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Product Description
Product Description
- Integrated with ESP32-S3, boasting powerful performance, easy development and abundant development resources.
- 4.3-inch color screen with a resolution of 480x272 and rich display colors (RGB565).
- Rich interfaces for easy connection of various peripherals (SPI, UART, etc.).
- Built-in resistive touch screen for convenient human-computer interaction.
- Standard TYPE-C interface for easy program downloading and power supply.
- Built-in micro TF card slot for convenient storage expansion.
- Abundant sample programs are provided for easy learning.
- Underlying driver technical support is available, with WIKI materials updated online.
- The module has passed multiple aging tests and inspections, meeting military-grade standards and supporting long-term stable operation.
Product Parameters
ESP32 Parameters
| Name | Parameter |
Module | MTR043S2-ESP32-S3 |
CPU | Xtensa LX7 32-bit dual-core processor |
Clock rate | 240MHz（MAX） |
Memory | 384KB ROM+512KB SRAM+16KB RTC SRAM+8M internal OPI PSRAM +16M external SPI Flash（N16R8） |
WIFI | 2.4GHz, 802.11b/g/n mode |
Bluetooth | Bluetooth V5.0 BR/EDR and Bluetooth LE standard |
Operation voltage | 3.0~3.6(V) |
Screen parameters
| Item | Parameter |
Screen Size | 4.3 inch |
Screen Type | TN |
Screen resolution | 480xRGBx272(pixels) |
Active Area | 95.04(W)x53.86(H)(mm) |
Number of pixels | 65K(RGB565) |
| Drive IC | ILI6485 |
Screen interface | RGB565-16Bit |
Pixels size | 0.153(H)x0.153(mm) |
View Angle | ALL ’CLOCK |
Luminance(TYP) | 350 cd/m2 |
Backlight Type | White LED*7 |
Operation Temperature | -20~60(℃) |
Storage Temperature | -30~70(℃) |
Other parameters
| Item | Parameters |
Effective area size | 4.3 inch |
Operation Temperature | 5V |
Power interface | USB(Type-C) |
Total current(TPY) | 190mA |
Backlight brightness(actual value) | 350cd/m2 |
Total Power | 0.95W |
Touch screen type | Resistive touch screen |
Resolution | 800x480(pixels) |
Driver IC | XPT2046 |
Communication Interface | SPI |
LCD Outline Size | 105.50±0.2(W)x67.20±0.2(H)x3.0±0.1(D)(Excluding cables and adhesive backing)(mm) |
Module Outline Size | 123.00(W)x74.00(H)x8.7(D)mm |
Operation Temperature | -20~60(℃) |
Storage Temperature | -30~70(℃) |
Interface Definition
Interface Function Description
| Interface Name | Function Description |
① ESP32-S3 | Display module main control,control board peripheral and external peripheral. |
② MicroSD card slot | A MicroSD card is inserted to expand the storage space for storing large data such as characters, pictures, and audio files. |
③ Serial port | 1.25mm 4P connector.It can be used for serial debugging, downloading and communication. An external USB to serial port module is required. |
④ BOOT Key | Used to enter download mode or key test.Press and hold this button to power on and release it to enter the download mode.Alternatively, press and hold this button and then press the RESET button to release the RESET button and then release this button to enter the download mode.When you do not need to enter the download mode, this button can be used as a common button. |
⑤ Type-C Interface | Used for module power supply and download programs.This interface is connected to the one-click download circuit on the module,which can automatically enter the download mode (without pressing the BOOT key). |
⑥ RESET Key | Used for ESP32 master control and LCD reset, level reset after pressing. |
⑦ Expand Pin | 1.25mm 4P socket, leading out GPIO17/GPIO18 pins. |
⑧ UART1 & USB | 1.25mm 4P socket, leading out four free pins: GPIO17, GPIO18, GPIO19 and GPIO20. GPIO17 and GPIO18 can be used for UART1, while GPIO19 and GPIO20 are compatible with the USB protocol. |
⑨ SPI Interface | 1.25mm 4P socket, designed for connecting external SPI communication devices. This SPI interface is shared with the resistive touch screen and SD card, and can also be used as GPIO. |
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