def sin_gen(tim, frequency, samplingFrequency):
omega = 2 * (math.pi) * frequency
n = int(tim * samplingFrequency)
ndarray = []
t = []
for i in range(0, n, 1):
ndarray.append(int(255 * math.sin(omega * tim * (i / n))))
for i in range(0, n, 1):
t.append(i / samplingFrequency)
plt.plot(t, ndarray)
plt.show()
#try:
for i in range(0, n, 1):
main.lightNumber(ndarray[i])
time.sleep(1 / samplingFrequency)
def num2dac(value):
main.lightNumber(value)