, . — , .
, . , . Ethernet . Rapsberry “ ”, Netduino, C# . , , , , , . Not good, not good… aliexpress Arch Pro . . LPC1768 NXP ( Cortex-M3), LPC11U35 (Cortex-M0) . online IDE, , , , Keil uVision, , . micro-USB.
DS3231, , I2C:
- ( Logic-U ISL ):
V+ 10, . , , . , , “”:
:
— (0.8″ ) , , . MAX7219, SPI.
… 3D-, . 8 .
:
:
IP- DHCP ( ). NTP . 25 ( , ). - , , UTC. EEPROM . 3V, . , .
:
https://github.com/sapozhnikov/eclock