JetBot Chassis Kit V2 – Sparkfun ROB-17279
The JetBot Chassis Kit V2 is a highly versatile robotic chassis, that can be used for many different platforms. Sparkfun created this official chassis for their SparkFun JetBot AI Kit but it can be used for mucho different robotics projects.
This chassis is made from 3.5mm thick ABS plastic milled with plenty of mounting points for sensors, servos, controllers, power, and more. With just a few screws (included) needed for construction, you will have a reliable 2WD robotics chassis in minutes.
The JetBot chassis kit is supplied with two motors, two wheels, frames, a ball caster, and all assembly materials like screws and standoffs. Also included are the materials for an optional camera mount to be added to your chassis.
Supplied with Kit:
- 2x Base Plate
- 4x Motor Mount
- 2x Wheel
- 2x Motor
- 1x Camera Mount (allows two cameras to be mounted)
- 1x Ball Caster
- All Hardware Needed for Assembly
For all SparkFun Jetbot kits, begin with one of the two bare base plates included with the JetBot Chassis Kit. It does not matter which one, they are identical.
Push two of the included motor mounts through the designated holes in the base plate as shown below. Two more motor mounts will be attached to the outside of the base plate after the motor is installed.
Your JetBot Chassis Kit includes a pair of hobby motors & wheel assemblies.
Attach the pair of motors using the long threaded machine screws & nuts included with the JetBot Chassis Kit. The motor will be sandwiched between an internal & external motor mount. Tighten the screws until they are snug.
We prefer the shown orientation below that leaves the extra length of the machine screws & nuts on the inside edge of the JetBot. Repeat this process on the other side of the chassis so both motors are symmetric on the base plate.
Once both motors are attached, flip the base plate over as pictured & attach the four longer brass standoffs at each corner of the base plate using the threaded screws included with the JetBot Chassis Kit. These four standoffs are packaged together. Thread one of the machine screws from the JetBot Chassis kit through the base plate & tighten it into the brass standoff.
Repeat for each corner.
After all standoffs are installed, thread the motor terminal leads through the baseplate as shown. Refer to the photograph of the caster ball assembly to make sure you are using the correctly sized brass standoffs.
Next, gather the parts needed to assemble the caster ball assembly. Notice that the brass standoffs used for the caster assembly are slightly shorter than those used for the chassis. The first time you build the SparkFun JetBot Chassis, each of these sets of standoffs is packaged together, but it is easy to confuse these once everything has been opened.
Flip the chassis over and install the shorter brass standoffs as shown in the photo below.
Use the two remaining screws to attach the caster ball casing to the brass standoffs.
Press the wheels onto the hobby motor axles for a snug friction fit & flip it again Charley! Behold, a very stable three-point stance foundation for you to build from.
Now you’re ready to add the motor controller of your choice!
- The JetBot Chassis Kit does NOT include a motor controller or a power source.
- Updates vs. the original Jetson Chassis Kit (V1):
- V2 was adapted to allow for 2x cameras to be mounted in accordance with the NVIDIA Jetson Nano Developer Kit (V3)
- This chassis also has mounting holes specifically spaced for the Jetson Nano Dev kit (4GB & 2GB) that are oriented to allow the camera ribbon connector on the Dev Board to be as close as possible to the camera mount on the chassis. This increases the ease of assembly & increases the longevity of the camera connector