【接线】
12864 Raspberry
VCC 1
GND 6
SCL 3
SDA 5
一、安装工具及库
sudo apt-get install -y python-smbus
sudo apt-get install -y i2c-tools
sudo i2cdetect -y 1 #看到3C说明成功
sudo apt-get install libfreetype6-dev libjpeg-dev build-essential
sudo -H pip3 install --upgrade luma.oled
示例代码：
# !/usr/bin/env python
import RPi.GPIO as GPIO
import time
import datetime as datetime
from luma.core.interface.serial import i2c, spi
from luma.core.render import canvas
from luma.oled.device import ssd1306, ssd1325, ssd1331, sh1106
from PIL import ImageDraw, Image, ImageFont
GPIO.setmode(GPIO.BCM)
GPIO.setup(18,GPIO.OUT)
GPIO.output(18, GPIO.LOW)
device = sh1106(port=1, address=0x3C)
font = ImageFont.load_default()
fontYear = ImageFont.truetype('/usr/share/fonts/truetype/freefont/FreeMonoBold.ttf', 18)
font2 = ImageFont.truetype('/usr/share/fonts/truetype/freefont/FreeMonoBold.ttf', 16)
def blink():
GPIO.output(18, GPIO.LOW)
time.sleep(1)
GPIO.output(18, GPIO.HIGH)
time.sleep(1)
def Show(d, fullDt):
y = fullDt.strftime('%Y-')
dt = fullDt.strftime('%m-%d')
tm = fullDt.strftime('%H:%M:%S')
with canvas(d) as draw:
draw.text((40, 0), "TIME", font=fontYear, fill=255)
draw.text((10, 22), y, font=font2, fill=255)
draw.text((60, 22), dt, font=font2, fill=255)
draw.text((20, 44), tm, font=font2, fill=255)
def main():
nowDt = datetime.datetime.now() + datetime.timedelta(hours=8)
blink()
while True:
Show(device, nowDt)
nowDt = nowDt + datetime.timedelta(seconds=1)
time.sleep(1)
if __name__ == "__main__":
main()