Introduction - If you have any usage issues, please Google them yourself
51 developed their own system on-board source code A, which has 16x16 dot matrix, 1602+ 1302+ 18b20, adc0804 demo, AT24C02EEPROM, dac0832 demo, ds1302+ Lcd12864+ 1802, ds1302 digital clock (lcd1602), ds1302 digital clock (led ), etc. code.