Posts with tag 'rtc'
This is a follow on to "Using SPI on an AVR (1)" and illustrates using SPI to communicate with a real time clock chip, it also illustrates use of external interrupts to initiate code on the microcontroller.
Maxim DS1305 Real Time Clock
The DS1305 Serial Alarm Real-Time Clock is an 18 pin DIP clock chip ...
andrew @ rocketnumbernine.com
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Checkout phatIO an IO device that looks like a USB filesystem
Set a pin to 5V by saving "1" to its control file, set it back to 0V by saving "0".
Control LCD and LED displays by writing the data to display to a file.
Communicate with TWI, and SPI and other devices by writing data to a file.
Videos, reference and more at phatIO
Set a pin to 5V by saving "1" to its control file, set it back to 0V by saving "0".
Control LCD and LED displays by writing the data to display to a file.
Communicate with TWI, and SPI and other devices by writing data to a file.
Videos, reference and more at phatIO
