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Have you ever wished lunchtime were longer, but didn't know where to find those few extra minutes? Well, wish no longer! Thanks to great in advances ...
You will need: (x1) Standard wall clock (x1) Adafruit DS1307 Real Time Clock Kit (x1) Arduino (w/ATMEGA168 DIP chip) (x1) Extra ATMEGA168 chip with A...
Remove the clock movement from the clock body. This will require removing the front glass face from the clock as well as the clock's hands. Be gentle ...
The clock movement has a single coil stepper motor inside. The basic theory here is that we want to disconnect the coil from the clock's timing circu...
Once your movement is good and hacked, but the clock back together. Important: Make sure the hour, minute and second hand all line up at 12:00. I di...
If you haven't done so already, but together your Adafruit DS1307 Real Time Clock Kit. Here are some instructions for getting the job done. Also, w...
The circuit is pretty simple. It is basically what the kids these days are calling a "hackduino," a socket for the RTC board and a crude H-bridge to ...
You will need to install the RTClib library for your code to work. Instructions to do this are on Ladyada's page. Download lunchtime_clock.zip, unco...
Once programmed, transfer your ATMEGA168 chip from the Arduino to your circuit board. Plug in your RTC board into the socket. Make sure the pins are...
Put a new ATMEGA168 chip into the Arduino. Connect the Arduino once more to the RTC board. Run the sample code from Ladyada's page. Open the serial ...
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