code to test led ticker without using pi

sim.py

@@ -0,0 +1,45 @@
+#%%
+import matplotlib.pyplot as plt
+from matplotlib.animation import FuncAnimation
+import numpy as np
+
+#%%
+matrixSize = (32, 64, 3)
+#%%
+a = np.random.randint(1, high=256, size=(32, 128, 3))
+
+# for i in range(10):
+#     a = np.delete(a,0,1)
+#     a.shape
+
+#%%
+plt.imshow(a[:, :64])
+plt.show()
+
+#%%
+blank = np.zeros(matrixSize, dtype=int)
+noise = np.random.randint(1, high=256, size=(32, 128, 3))
+
+#%%
+buffer = np.concatenate((blank, noise), axis=1)
+
+
+#%%
+plt.imshow(buffer[:, :64])
+plt.show()
+
+
+#%%
+fig = plt.figure(figsize=matrixSize[0:2], facecolor="black")
+
+
+def update():
+    np.delete(buffer, 0, 1)
+
+
+plt.imshow(buffer[:, :64])
+ani = FuncAnimation(fig, update, frames=buffer.shape[1])
+plt.show()
+
+
+#%%