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Step 2Electronics
The heart of Robot Head 2's electronics is the servo controller and the RAPU. The servo controller takes serial signals from the RAPU and translates them into servo movements.
The RAPU takes programs I've written on a pc and stores both the movement commands and the audio portion. The RAPU was not entirely necessary. I could have used a pc to do this task, but that would have required me to either carry a laptop with me when Robot Head 2 travels. I chose to go with the little single board computer for efficiency. I program each routine on a pc, then download it to a compact flash card on the RAPU and run it from there.
All power supplies and the powered computer speakers are housed in the black wooden box beneath the head. Although you can't see it in this photo, a fan in the box immediately beneath the head continually pulls cooling air through here to dissipate any heat buildup.
I cut holes in the front of the power supply box to keep the speakers from sticking out too far, and fastened them in with hot glue. In the last photo below, you will see a small piece of wood with a slot in it just above the center of the speakers. This is where I mount the spotlight.
The RAPU takes programs I've written on a pc and stores both the movement commands and the audio portion. The RAPU was not entirely necessary. I could have used a pc to do this task, but that would have required me to either carry a laptop with me when Robot Head 2 travels. I chose to go with the little single board computer for efficiency. I program each routine on a pc, then download it to a compact flash card on the RAPU and run it from there.
All power supplies and the powered computer speakers are housed in the black wooden box beneath the head. Although you can't see it in this photo, a fan in the box immediately beneath the head continually pulls cooling air through here to dissipate any heat buildup.
I cut holes in the front of the power supply box to keep the speakers from sticking out too far, and fastened them in with hot glue. In the last photo below, you will see a small piece of wood with a slot in it just above the center of the speakers. This is where I mount the spotlight.
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