![]() ![]() LILYGO is selling the T-RGB wireless display on Aliexpress for $32.28 including shipping together with a cable for the battery. It also include an Autodesk file (DWG) to print a 3D enclosure for the display. ![]() You’ll find the schematic, some Arduino/PlatformIO examples, and documents on GitHub. We’re also told the ESP32-S3 does not have enough pins, so a Xinluda XL9535 I2C I/O expander chip had to be used in this design. Now we are done with this step In the next step, Ill show to use the library and define the pins for Arduino Mega. Save the file and Add this Library to Arduino IDE. ![]() 1.25mm pitch connector for LiPo battery, battery capacity detection Uncomment Line 7 to enable UNO shield for MEGA.USB – USB Type-C port for power and programming.Display – 2.1-inch round 18-bit RGB color IPS TFT display with 480×480 resolution (ST7701S SPI controller), touchscreen panel.Storage – 16MB SPI flash, MicroSD card socket.SoC – Espressif ESP32-S3R8 dual-core Tensilica LX7 microcontroller up to 240 MHz with vector instructions for AI acceleration, 8MB PSRAM, WiFi 4 and Bluetooth 5.0 LE + Mesh connectivity.The company also says it can be charged through USB, so the board must include a battery charging circuit contrary to some other boards from LILYGO. The device also includes a microSD card socket for data storage and a Grove I2C connector for expansion and supports LiPo battery power. We can program Arduino to show graphics, read and display images from SD card and. This display board can be inserted directly on to the Arduino pins, without using any wires. It has an SD card slot too for storing images. LILYGO T-RGB is a wireless 2.1-inch round color touchscreen display based on ESP32-S3R8 dual-core microcontroller with WiFi 4 and Bluetooth 5.0 connectivity, 8MB PSRAM, and 16MB flash storage. This TFT LCD display can display colour graphics and is a touch sensitive screen. ![]()
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