8051 I2C kit is the best starter kit for learners.
Onboard 89v51RD2 chip with built in BOOTLOADER.
No seperate Programmer needed to burn your Hex file.
BootLoader helps to flash your Hex file onto chip after Reset
16 x 2 alphanumeric LCD with contrast control.
On board EEPROM 24Cxx & RTC chip DS1307
On board ADC,DAC PCF8591 I2C based.
RS232 Serial port.