... configuration ADS7843(or RSM1843 instead) controller, support for a SD card (SPI mode) can be used to store pictures, in support ... RS232 interface * All the way RS485 communication interface* An SD card connector SDIO control* A I2C memory interface, the standard 24LC02 (EEPROM ... six examples, RTC, according to health, PWM, buzzer, USB, SD card, ADC, DAC, 12C, RS232, RS485 pass, CAN, touch-screen test ...