Three CNC Fan: Increase the heat dissipation controllable fan to reduce the printer temperature when the device is working;
Increased Heat Sink: Redesign the drive heat sink, strengthen the drive heat dissipation capacity, and greatly improve the heat dissipation performance;
Output Power Supply: Increase SPI output port + 3.3V power supply, external SPI sensor power supply voltage + 3.3V and +5V are optional, support the motherboard to directly supply power to peripherals; TFT35-E3 V 3.0.
1 Screen: This touch screen panel board has higher compatibility. Users can select two work modes: UART serial port screen mode and 12864 screen mode; Serial port screen mode supports two printing modes: SD card and U disk