Further reading

The GPIOZero website has a range of examples showing functionally equivalent examples using both GPIOZero and RPi.GPIO. This is a great introductory resource for understanding lower-level GPIO programming concepts and techniques:

• https://gpiozero.readthedocs.io/en/stable/migrating_from_rpigpio.html

The following links contain additional material concerning the interfaces and concepts that we have discussed in this chapter:

• SPI interface: https://en.wikipedia.org/wiki/Serial_Peripheral_Interface
• I2C interface: https://en.wikipedia.org/wiki/I%C2%B2C
• 1-wire interface:  https://en.wikipedia.org/wiki/1-Wire
• PWM: https://en.wikipedia.org/wiki/Pulse-width_modulation
• Potentiometers: https://en.wikipedia.org/wiki/Potentiometer
• ADS1115 datasheet: http://www.ti.com/lit/gpn/ads1115