Wednesday Feb 13, 2013

Connect robot servo to RPi and use Java Embedded to program it (Part 4)

"We need more power, Scotty!" When connecting a servo to your Raspberry Pi with Java Embedded, make sure to add a more powerful 2 amp USB power adapter, rather than use the original 0.7 amp adapter that comes with the RPi device. This is because connecting a servo to your RPi GPIO will draw up to 400 milliamps and steal away power from the RPi itself, making it crash, reboot, or worse.

See:

More power for your RPi Servo

Here's what to buy:

  1 SIIG 2 Amp/2 Port USB Adaptor
  1 Micro USB cable
So add that to your list at Fry's. It's all good. An extra trip to Fry's never hurt anyone. ;-)

See the full series of blogs posts for this demo:
Connect robot servo to RPi and use Java Embedded to program it (Part 1)
Connect robot servo to RPi and use Java Embedded to program it (Part 2)
Connect robot servo to RPi and use Java Embedded to program it (Part 3)
Connect robot servo to RPi and use Java Embedded to program it (Part 4)
Connect robot servo to RPi and use Java Embedded to program it (Part 5)

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Hinkmond Wong's blog on making Machine to Machine (M2M) and the Incredible Internet of Things (IoT) smarter with Java Embedded Technologies

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