display a graph of temperature from the NTC on the OLED

Dependencies:   SSD1308_128x64_I2C Grove_temperature

History

display a graph of temperature from the NTC on the OLED default tip

2019-12-11, by dcj001 [Wed, 11 Dec 2019 16:38:09 +0000] rev 0

display a graph of temperature from the NTC on the OLED