requirements.txt - Python dependencies required for this chapter
rgbled_common_cathode.py - Making Color with an RGB LED (Common Cathode Type)
rgbled_common_anode.py - Making Color with an RGB LED (Common Anode Type)
apa102_led_strip.py - Controlling a Multi-Color APA102 LED Strip
passive_buzzer_rtttl.py - Play a RTTTL tune using PWM and a Passive Buzzer
oled_cpu_temp.py - Display CPU temperature on an OLED Display
temp_high.png, temp_low.png, temp_med.png - Images used by oled_cpu_temp.py