With the help of the controller, the transmission of electric currents to the elements of the system becomes possible. It is also possible to activate the motor-wheel with subsequent control of the operation of this element.
The controller initially receives a signal from the throttle stick.
He then activates the engine by spinning it up.
When the signal changes, the device adjusts the electric motor's rotation speed, mainly by changing the pulse length.
In parallel, the controller records the voltage level in the batteries and can disconnect the motor from the power supply to protect it and extend its service life.
Additionally, the product is capable of converting AC to DC to provide braking.
The product can have two modes of operation: power-on-demand and pedal-assist engine operation or pedaling support. In the second mode, the device constantly monitors the force and speed of pedaling to adjust the electric motor's operation accordingly. Typically, the standard controllers that come with a cheap electric bike conversion kit show a voltage of either 36 Volts or 48 Volts. The conversion kits for e-bikes are there at our store.

https://www.bikesite.com.au/kits/conversion-kits