Brand：OneAudio
Model：CP-40+
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Product parameters:
■ Display type: TFT LCD screen
■ Touch type: capacitive touch screen
■ Size: 4.0 inch
■ Resolution: 480*480
■ Picture download: SD card /UART/WIFI
■ Storage space: 128Mbit
■ Communication mode: RS485
■ Communication baud rate: RS485: 1200 ~ 115200 bps, Typical baud rate: 9600bps
■ Operating system: embedded real-time operating system (FreeRTOS)
■ Core processor: 400MHz 32-bit dual-core processor
■ Product size (length * width * height): 90.7mm×90.7mm×27.9mm
