I have read the stickies but they weren’t much help…
I have here a Powertip LCD module (PC1602-H) and an Arduino Uno rev 3. The plan is to create an ultrasonic rangefinder, and display the distance on the LCD. Problem is I have never coded before, although my electronics knowledge is solid.
The guides I found online tell me I should use the “int” command to define which pins to send data to on the LCD - but the pins it refers to are not the pins on the ATMEGA328, but the pins on the “DIGITAL” i/o ports.
For instance, an online guide tells me to define pin 10 as an output, but pin 10 on the ATMEGA is one of the XTAL pins, and not a useable output.
Please find the schematic attached.
The “LCD” header are the 8 available pins to use for the LCD display.