This is the back side of [Dmitry Grinberg’s] 8×8 LED matrix ... includes the ability to display each pixel at several different levels. He’s using an ATmega328 microcontroller soldered ...

or graphical LCD display. Thus, with a programmable SOC, the development and product cost of an E-Bike system can be substantially reduced. Figure 1 shows the block diagram of a basic E-Bike system: ...