Recommended parts and suppliers
This is what you use to control your robot.
IMPORTANT: You MUST choose the JP4IN1 version, or it will not connect to the receiver.
Cheapest - Flysky Fs I6X
Better - Jumper T-Pro V2 JP4IN1
Best - RadioMaster MT12
This recieves commands from your transmitter and controls your drive motors, as well as send signals to your weapon controller.
This is your robots power source! Sized to provide sufficient power for a 3 minute match.
How you charge your battery. At this scale, a low current charger is recommended to avoid cooking the small capacity pack.
This 500ma USB charger is a good start, paired with a USB adapter.
Moves your robot around!
Cheapest – Aliexpress N20 specials
Cheapest – small brushless with metal ruler attached.
Better – Weapon pressed around motor bell and supported with bearing
Best – Hubmotor / decoupled weapon motor with belt or gears.
Optional, but if you want a spinning weapon then you need an ESC to control it.
Cheapest – Link
Better – Screw switch