Tardis = serial. The Python code is really simple ( Gist here): import serial Sudo chmod 777 /dev/ttyACM0 sudo chown pi:pi /dev/ttyACM0 If you get any permissions errors then check your groups as you might need to add your user to the dialout group with sudo usermod -a -G dialout pi (where pi is my username). Over on the Pi, we first add the serial module withĪnd make a note of the serial port from your Arduino screen as that is what we will send data too (ensuring the Arduino IDE is closed). That should be mostly straightforward to read, but look out for the parts where the Arduino is waiting for input over serial, and sends whatever it is given to the LCD. Instring = Serial.readString() // read the incoming data as string LCD.FontModeConf(Font_6x8, FM_ANL_AAA, BLACK_BAC) 8*16 font size, auto new line, black on white background LCD.WorkingModeConf(ON, ON, WM_CharMode) LCD.WorkingModeConf(ON, ON, WM_BitmapMode) LCD.CleanAll(WHITE) //Clean the screen with black or white. Wire.begin() //I2C controller initialization. Serial.begin(9600) // opens serial port, sets data rate to 9600 bps Uint8_t I2C_LCD_ADDRESS = 0x51 //Device address configuration, the default value is 0x51. On the Arduino we can do some very simple LCD code ( Gist here): #includeĮxtern GUI_Bitmap_t bmlogo //Declare bitmap data package. Ensure Serial is enabled in your Raspi-Config too. Now, of course, I can look at the Arduino library and figure it out, it is just i2c, but this is a nice opportunity to demonstrate how you can offload hardware to Arduino and leave the Pi to do the brainy stuff.įirst, we connect the Pi and the Arduino via USB. Unfortunately, this display doesn’t have a Raspberry Pi library yet. So nothing wrong with the Zero W, as long as you use it within its parameters. Installing is way slower than my old Linux do-it-all box in the corner, but needed to move the printer. Installed Octopi, and it is just running. One of the Grove add-ons I bought recently was a very nice LCD display. Just bought a Pi Zero W, as it is dirt cheap. Let’s take a look at the easiest way to do that! Both devices have their benefits, and in fact, I believe they work really well together. I have been writing a lot more about Raspberry Pi than Arduino lately, but don’t get the impression I am leaving the Arduino world behind. 1×5MP OV5647 camera board with motorized lens for Raspberry Pi 1×5.9(15cm) flex ribbon cable for Raspberry Pi Model A&B series (Pi Zero cable not included) 1.
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