This is a splittable 40 pin jumper wire, it is super flexible, can be transformed from 1-40 pin jumper wire. With some of these, you will no need to worry about the jumper wires you got before do not fit your project, just split it and go.
The M5Stack BALA is a balance bot based on M5Stack FIRE, including a 2 DC driver module based on Mega328p which is the core chip used on the Arduino UNO.
You can even program The M5Stack BALA through Arduino or MicroPython with a few lines of code (or even visually with the web editor!).
The 2 DC driver module communicates with M5Stack FIRE through I2C...