Waveshare is a Chinese technology company devoted to the development of open-source hardware and software. They specialize in embedded systems and artificial intelligence, but also have products that are helpful for a variety of applications from industrial automation to medical devices. Their product catalogue includes microcontrollers, development boards, display hardware, sensors and accessories, and much more. Their 4738 part is a 3.2 inch IPS LCD display with a resolution of 320x240 pixels. It is compatible with Raspberry Pi, Arduino, Orange Pi, Banana Pi, and many other platform. The display requires 3.3V power supply and has an integrated 20-pin female connector for connecting to the host board. It supports both SPI and I2C serial communication.