Further reading

Besides experimenting more with the examples that we built in this chapter, you can learn more about LCDs, LEDs and how to control them with power transistors from the following resources:

• An in-depth introduction to transistors—for example, for controlling LEDs: https://learn.sparkfun.com/tutorials/transistors/all
• An introduction to LEDs: https://learn.sparkfun.com/tutorials/light-emitting-diodes-leds/all
• Documentation of the Arduino LiquidCrystal library: https://www.arduino.cc/reference/en/libraries/liquidcrystal/