ESP32 LVGL WIFI&Bluetooth Development Board 28 inch LCD TFT Module 240*320 Smart Display Screen With Touch WROOM For Arduino _x000D_ Features: 1.Low power dual core 32-bit cpu, can be used as an application processor 2.With a clock frequency of up to 240mhz and a computing power of up to 600dmips 3.Built in 520kb sram 4.Support uart/spi/pwm/dac/adc and other interfaces 5.Equipped with a tf card slot for easy expansion of storage 6.2.8-inch color screen, supporting 16 bit rgb 65k color display 7.Support smart config/airkiss one click distribution network Parameters: Product name:esp32 wifi+bt dual mode development board display screen Display color:rgb 65k color Size:2.8 inches Type:tft Driver chip:ili9341 Resolution:320*240 Visible area:43.2*57.6mm Perspective:>60 Working temperature:-20~70 Working voltage:5v Power consumption:115ma Bluetooth:Bluetooth 4.2br/edr and ble standards Wifi:802.11b/g/n/ Supported interfaces:uart spisdioi2ciradcdacpwm Io ports:22 Serial port speed:default 115200bps Spectrum range:2412~2484mhz Antenna form:onboard pcb antenna, gain 2dbi Security:wpa/wpa2/wpa2 enterprise/wps Transmission frequency:802.11b:172dbm (@11mbps) /802.11b:14 2dbm (@54mbps)/ 802.11b:13 2dbm (@mc57) Interface sensitivity Cck,1mbps:-90dbm Cck,11mbps:-85dbm 6mbps(1/2bpsk):-88dbm 54mbps(3/464-qam):-70dbm Mcs7(65mbps,72.2mbps):-67dbm Packageinclude: Display screen*1 Touch pen*1 Type-c data cable*1 4p terminal to dupont wire*1 2.8inch ILI9341V Product parameters: Working voltage: 5.0V Backlight current: 75mA Total current ESP32 reset: 40mA Only the display screen works: 130mA Display screen, speaker, and battery charging all work: 480mA Power consumption: 0.65W (only the display screen works) Lithium battery interface charging voltage: range: 4.2~6.5 (V) Charging current: maximum value: 500mA; Module actual value: 290mA Suggested external battery specification: 3.7V lithium polymer battery ESP32 main control parameters CPU: ESP32-D0WD-V3, Xtensa dual core 32-bit LX6 microprocessor Main frequency: 240MHz (maximum) Storage: 448KB ROM+520KB SRAM+16KB RTC SRAM+4MB external QSPI Flash WIFI: 2.4GHz, 802.11b/g/n mode Bluetooth: Bluetooth V4.2 BR/EDR and Bluetooth LE standards Working voltage: DC 3.0-3.6V Working temperature:- 40~85 LCD screen parameters Screen size: 2.8 inches Screen type: TN TFT Resolution: 240xRGBx320 (pixels) Effective display area: 43.20 (W) x 57.60 (H) (mm) Number of colors: Maximum: 262K (RGB666), Common: 65K (RGB565) Driver IC: ILI9341V Display interface: 4-Line SPI (connected to ESP32) Pixel size: 0.153 (H) x 0.153 (mm) Viewing angle: 120 'CLOCK Backlight brightness (typical value): 260 cd/ Backlight type: White LED*4 Working temperature:- 10~50 Storage temperature:- 20~60 Touch screen parameters Effective area size: 2.8 inches Touch screen type: resistive touch screen Touch screen resolution: 240x320 (pixels) Driver IC: XPT2046 Visual window size: 45.20 (W) x 59.45 (H) (mm) Communication interface: SPI Structural material: ITO film+ITO glass Working temperature:- 10~60() Storage temperature:- 20~70() Size parameters LCD screen: 50.00 0.2 (W) x69.20 0.2 (H) x2.3 0.1 (D) (mm) (excluding wiring and adhesive backing) Touch screen: 49.60 0.2 (W) x68.80 0.2 (H) x1.20 (D) (mm) (excluding cable and adhesive) Module appearance: 50.00 (W) x86.00 (H) x5.60 (D) (mm) Packing list: Module * 1 Data cable * 1 DuPont line * 1 Touchpen * 1 3.2inch ST7789P3 Product parameters: Working voltage: 5.0V Backlight current: 104mA Total current ESP32 reset: 40mA When only the display screen is working: 160mA When the display screen, speaker, and battery charging are all working: 510m Power consumption: 0.8W (only the display screen works) Lithium battery interface charging voltage: range: 4.2~6.5 (V) Charging current: maximum value: 500mA; Module actual value: 290mA Suggested external battery specification: 3.7V lithium polymer battery ESP32 main control parameters CPU: ESP32-D0WD-V3, Xtensa dual core 32-bit LX6 microprocessor Main frequency: 240MHz (maximum) Storage: 448KB ROM+520KB SRAM+16KB RTC SRAM+4MB external QSPI Flash WIFI: 2.4GHz, 802.11b/g/n mode Bluetooth: Bluetooth V4.2 BR/EDR and Bluetooth LE standards Working voltage: DC 3.0-3.6V Working temperature:- 40~85 LCD screen parameters Screen size: 3.2 inches Screen type: TN TFT Resolution: 240xRGBx320 (pixels) Effective display area: 48.60 (W) x64.80 (H) (mm) Number of colors: Maximum: 262K (RGB666), Common: 65K (RGB565) Driver IC: ST7789P3 Display interface: 4-Line SPI (connected to ESP32) Pixel size: 0.2025 (H) x0.2025 Viewing angle: ALL 0CLOCK Backlight brightness (typical value):