grove.display.jhd1802
¶
- This is the code for
Examples
import time
from grove.factory import Factory
# LCD 16x2 Characters
lcd = Factory.getDisplay("JHD1802")
rows, cols = lcd.size()
print("LCD model: {}".format(lcd.name))
print("LCD type : {} x {}".format(cols, rows))
lcd.setCursor(0, 0)
lcd.write("hello world!")
lcd.setCursor(0, cols - 1)
lcd.write('X')
lcd.setCursor(rows - 1, 0)
for i in range(cols):
lcd.write(chr(ord('A') + i))
time.sleep(3)
lcd.clear()
Classes¶
JHD1802
: Grove - 16 x 2 LCD, using chip JHD1802.
-
class
grove.display.jhd1802.
JHD1802
(address=62)[source]¶ - Grove - 16 x 2 LCD, using chip JHD1802.
- Grove - 16 x 2 LCD (Black on Yellow)
- Grove - 16 x 2 LCD (Black on Red)
- Grove - 16 x 2 LCD (White on Blue)
Also, it’s our class name, which could drive the above three LCDs.
Parameters: address (int) – I2C device address, default to 0x3E. Inheritance
-
home
()[source]¶ Positions the cursor in the upper-left of the LCD. That is, use that location in outputting subsequent text to the display.
-
name
¶ Get device name
Returns: JHD1802 Return type: string
-
setCursor
(row, column)[source]¶ Position the LCD cursor; that is, set the location at which subsequent text written to the LCD will be displayed.
Parameters: - row (int) – the row at which to position cursor, with 0 being the first row
- column (int) – the column at which to position cursor, with 0 being the first column
Returns: None