Daily Digest December 18, 2009
- • Giving an old arm new life
[Jarek] found a non-functional robotic arm sitting around and wanted to get it working again. By adding a few custom boards to an Arduino he managed to do just that.
The arm is driven by six stepper motors, each having four control wires. To handle all of these [Jarek] used TIP120 transistors to protect the controller. [...]
The arm is driven by six stepper motors, each having four control wires. To handle all of these [Jarek] used TIP120 transistors to protect the controller. [...]

- • Bluetooth bracelet hacked
[Jeffery] hacked the Bluetooth standard in order to use this bracelet as a custom display. He took up our challenge to hack the device when we first saw it back in February.
In order to display his own messaged he looked into how the HFP is implemented in the Bluetooth stack. The details are shared in [...]
In order to display his own messaged he looked into how the HFP is implemented in the Bluetooth stack. The details are shared in [...]

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