Metabot V2 bill of materials
| Name | Quantity | Description |
|---|---|---|
| XL-320 | 12 | Robot servo-motors |
| Short Rivets | ~300 | Short rivets |
| Long Rivets | 48 | Long rivets |
| Ollo Pulley | 12 | The pulley for the counter-axis |
| Ollo Tool | 1 | A plastic tool that can be used to handle rivets |
| Name | Quantity | Description |
|---|---|---|
| XBoard | 1 | This is the custom board of the robot |
| Maple Mini | 1 | A controller featuring a STM32F103CBT6, with sockets |
| Mini USB cable | 1 | You'll need it to connect to the Maple Mini |
| GY-85 IMU | 1 | 9DOF inertial measurement units (accelerometer, gyroscope and magnetometer) |
| XBee Bluetooth | 1 | You can actually choose any bluetooth chip you want |
| GP2Y0A21YK | 1 | 10 to 80 cm infrared distance sensor |
The XBoard features a JST-BEC female connector, which is compatible with many LiPo battery. You can actually use a lot of different power sources, but we recommend you the following references:
| Name | Quantity | Description |
|---|---|---|
| 1000mAh 2S (7.4) LiPo | 1 | A battery, be careful about its geometry |
| IMAX B3 AC charger | 1 | A cheap and simple to use LiPo charger |
| Name | Quantity | Description |
|---|---|---|
| M4x40 | 12 | Tie the leg tips and the body |
| M3x8 | 7 | 4 for the magnets to the head, 1 for the IMU and 2 for the GP-2 |
| M3x5 (countersunk) | 4 | Used to tie the magnets to the spacers |
| M3 nylstop caps | 16 | We recommend nylstop caps |
| M4 nylstop caps | 12 | We recommend nylstop caps |
| M3 blind cap nut | 4 | Blind caps are prettiest for the top of the head |
| Nylon M3 cap | 17 | 8 for the electronics, 1 for the IMU, 2 for the GP-2, 4 for the body spacers, 2 to replace magnets (to avoid magnetic interference) |
| M3x12 male spacer | 1 | For the IMU |
| M3x15ish male spacer | 4 | For the electronics |
| M3x10 | 20 | 16 for the Us, 4 for the electronics |
| Countersunk magnet (10x3mm, 3mm hole) | 6 | To plug and unplug the head |
| Googly eyes | 2 | You can paste it on the front on the robot to get it nicer |
Note that you'll need allen 2 and 2.5, and a flat plier or an hex wrench for the nylstop caps
For mechanical parts, you have choice between 3D and laser. You can either print the parts yourself or cut it and bend it.
| Name | Quantity |
|---|---|
| U | 8 |
| side | 8 |
| leg | 4 |
| body_bottom | 1 |
| body_top | 1 |
| head | 1 |
The parts are provided as DXF, the black layer (0) is cutting and the red one (1) is 1mm engraving. The target material is 3mm thick PMMA (acrylic).
A packet version can also be found here.
| Name | Quantity | Comment |
|---|---|---|
| U | 8 | Requires bending |
| side | 8 | |
| leg | 4 | |
| tip | 4 | |
| tip_up | 4 | |
| body_bottom | 1 | Requires bending |
| body_top | 1 | |
| head | 1 | Required bending |