Petoi Bittle Manuals
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2 ๐Ÿงฉ Open the Box
"life is like a box of Bittle." ๐Ÿ”
Unassembled Bittle Kit and Pre-assembled Bittle

2.1. Pre-assembled Bittle

If you received the pre-assembled Bittle, you need to insert the neck into the body and bend the knees to natural angles. Drag the curly wire from the knee side to the shoulder side to avoid squeezing when the knee joints rotate.
If your Bittle's lower leg is in the right direction but doesn't move when calibrating, you may rotate it to the right direction. You should feel a moderate resistance and the joint will lock at the right position. The cause is that the new gears are a little too tight and the large bootup resistance will trigger the protection algorithm. The servo will reduce the force on the joint to avoid overcurrent, which will stop the joint from moving.
Long press the battery's button for 2~3 seconds to power on/off. Unplug the insulation sheet of the infrared remote's battery, then you can control Bittle to move. The robot will keep pausing its movements with beeping sounds when the battery is low. Then you need to charge the battery with a 5V micro-USB cable. Considering safety, the battery won't supply power during charging.
Buzzer beep meaning:
The pre-assembled Bittle is only coarse-tuned. You still need to setup Arduino IDE to calibrate Bittle's sensors and fine-tune its joints for the best performance.
Friction plays an important role in dynamic balancing during walking. Though the silicone toe covers (socks) can improve grip, they will also amplify the differences of the unpredictable surface of your test environment. So for regular use, we recommend running Bittle without the socks, unless you can tune the gait or need friction to perform some specific tasks.

2.2. Unassembled Bittle Kit

If you ordered the unassembled Bittle kit, you will have to solve a challenging and fun puzzle. You will learn more about robotics after understanding the design logic behind Bittle. Please move to the following chapters for details.
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