Need to know the time - accurately for your next project?
The code below allows your PIC to log into a network timeserver and it (eventually) writes the time to a Dallas RTC (code not supplied).
The PIC checks the NET TIME every power-up and thereafter every 4 hours. If it doesn't make connection, it tries an alternate time server. If THAT doesn't work (after retries) it gives up and tries again 4 hours later. A Lantronix XPort handles the connection to the net.
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Re: How to measure how long I pressed a button ?
in order to measure a buttons hold time you need to either note time button was pressed then the time button was released
richard Today, 04:01the duration is release time - when pressed time, or when button is...