Show A to D value on LCD display

Read from Real Time Clock and EEPROM using I2C bus

Testing an existing external I2C board with
LM75 thermometer, - PCF8591P A/D, - PCF 8574P 8bit IO port
(minimal features - just testing the bus lines)

Testing the ability to measure the width of a servo pulse

Investigating pulse width modulation CCP1 and 2