Hello, I need some guidance with my idea: I have a DHT22 connected to my Leonardo, and I want to plot the temperature history on my ST7565 gLCD. I thought about saving temp every 2-5 mins to EEPROM and then using u8glib somehow print that by connecting dots with lines.
[u]Questions:[/u] - how to obtain such a long period (2-5 minutes) in order to send a command "store data" if timers provide much, much smaller periods? - is EEPROM a good idea for this? - how to read data afterwards and pass it to u8glib functions?
Every form of help is highly appreciated!