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Tag Archives: sleep

Setting XBee to sleep causes Arduino reset

If you run into this problem it means that you’re probably using the XBeeShield. Maybe you didn’t notice but if you take a look to the Arduino XBee Shield schematics you’ll find out that DIO7 (CTS – Clear to Send) on the XBee is wired to RST in the Arduino. And that’s why you [...]

Arduino sleep mode – Waking up when receiving data on the USART

I’ve been playing with the Arduino sleep modes and i wanted to be able to wake up from the sleep when receiving data on the serial port. Mainly, because in my project I’m using the XBee in the API mode and the tricks exposed in http://www.arduino.cc/playground/Learning/ArduinoSleepCode and http://www.libelium.com/squidbee/index.php?title=Save_power_in_SquidBee_-_sleep_mode involve putting Arduino in SLEEP_MODE_PWR_DOWN and using [...]

The MacBook Pro is not crash-free

I just received my new MacBook Pro. I got this crash on the first day :-(. I put it to sleep and when I tried to restore… look what showed up on the screen.

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