diff --git a/microcontroller/works_static.ino.bak b/microcontroller/works_static.ino.bak
deleted file mode 100644
index ef1daea..0000000
--- a/microcontroller/works_static.ino.bak
+++ /dev/null
@@ -1,87 +0,0 @@
-unsigned long tic_loop = 0;
-const unsigned int FRAME_TIME = 25; // 20 ms -> 50 FPS
-
-byte channels_buffer[512] = {0};
-unsigned int bytes_to_write = 512;
-
-const unsigned int START_ADDR = 10;
-const unsigned int NUM_CHANNELS = 9;
-
-byte dmx_data[] = {
-    0,
-    0,
-    134,
-    255,
-    0,
-    0,
-    0,
-    0,
-    0,
-};
-
-void setup()
-{
-    Serial.begin(115200); // USB
-
-    Serial1.begin(250000, SERIAL_8N2); // DMX
-    tic_loop = millis();
-
-    for (int i = 0; i < NUM_CHANNELS; ++i)
-    {
-        channels_buffer[START_ADDR - 1 + i] = dmx_data[i];
-    }
-}
-
-void loop()
-{
-    // update_buffer();
-
-    // this section gets executed at a maximum rate of around 40Hz
-    if ((millis() - tic_loop) > FRAME_TIME)
-    {
-        tic_loop = millis();
-
-        send_dmx_header();
-        Serial1.write(channels_buffer, bytes_to_write);
-    }
-    delay(1);
-}
-
-void update_buffer()
-{
-    int n = Serial.available();
-
-    if (n < 1)
-        return;
-
-    n -= 1;
-
-    if (Serial.read() == n)
-    {
-        Serial.read(channels_buffer, n);
-        bytes_to_write = n;
-    }
-    else
-    {
-        // incomplete
-        while (Serial.available())
-            Serial.read();
-    }
-}
-
-void send_dmx_header()
-{
-    Serial1.flush();
-    Serial1.begin(90000, SERIAL_8N2);
-    while (Serial1.available())
-        Serial1.read();
-    // send the break as a "slow" byte
-    Serial1.write(0);
-    // switch back to the original baud rate
-    Serial1.flush();
-    Serial1.begin(250000, SERIAL_8N2);
-    while (Serial1.available())
-        Serial1.read();
-
-    Serial1.write(0); // Start-Byte
-}
\ No newline at end of file