Explication de routine 12-AMG8833_overlay Couverture AMG8833
import sensor, image, time, fir
ALT_OVERLAY = False 
sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QQVGA)
sensor.skip_frames(time = 2000)
fir.init(type=fir.FIR_AMG8833)
extra_fb = sensor.alloc_extra_fb(sensor.width(), sensor.height(), sensor.RGB565)
clock = time.clock()
while (True):
    clock.tick()
    
    img = sensor.snapshot()
    
    
    
    
    
    ta, ir, to_min, to_max = fir.read_ir()
    if not ALT_OVERLAY:
        
        fir.draw_ir(img, ir)
    else:
        
        extra_fb.clear()
        fir.draw_ir(extra_fb, ir, alpha=256)
        img.blend(extra_fb, alpha=128)
    
    img.draw_string(8, 0, "Ta: %0.2f C" % ta, color = (255, 0, 0), mono_space = False)
    img.draw_string(8, 8, "To min: %0.2f C" % to_min, color = (255, 0, 0), mono_space = False)
    img.draw_string(8, 16, "To max: %0.2f C"% to_max, color = (255, 0, 0), mono_space = False)
    
    
    img.compress(quality=90)
    
    print(clock.fps())