7 Segment LED Tutorial for Raspberry Pi

I received a request to make a tutorial on how to use 7 segment LED displays with a Raspberry Pi. This video demonstrates how to hook up and use pulse width modulation (PWM) in Python via the Pi’s DMA hardware to drive dual digit 7 segment LED displays.

LCD Display Tutorial for Raspberry Pi

I received many questions on how to integrate LCD displays with the Raspberry Pi. This video demonstrates how to hook up and display text on LCD displays with a Pi using 2 Python libraries (lcd.py & Adafruit_CharLCD.py).

DHT22 Tutorial for Raspberry Pi

I received a request to make a tutorial on how to measure temperature and humidity with a Raspberry Pi. This video demonstrates how to hook up and use the Adafruit & pigpio Python libraries to poll a DHT22 temperature/humidity sensor.