The development of remote IOT app adopts blank app software, which can customize the personalized interface on the terminal device, with rich built-in controls and beautiful U interface. It can customize the app control module and interface, which is very suitable for making an app interface that meets its own requirements. JC4827W543 4.3 inch development board is based on the ESP32-S3 controller, dual-core CPU, clock frequency up to 240MHZ, integrates a wealth of resource peripherals, high-speed SDIO, SPI, UART and other functions, supports auto-matic download. JC8048W550 5 inch development board, which gives full play to the development of the Internet of Things, is a real Internet of Things development tool with a controllable display screen, which can be used for APP remote control, remote environmental data collection, remote data fusion, remote Parameter settings and other loT development applica-tions. LCD-TFT HMI Capacitive touch display module Supports WiFi and Bluetooth Support lithium battery power supply RGB 65K true-to-life colours IPS glass panel Onboard 240MHz LX6 MCU 520K Byte RAM 8 MB PSRAM JST1.25 4 Pins (+5V, TX, RX, GND) TTL serial interface size: 5 inch/4.3 inch Material: ABS colour: black Package Contents: 1x Development Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.