diff --git a/pico-st7789/src/main.rs b/pico-st7789/src/main.rs
index 532810c..cdb6130 100644
--- a/pico-st7789/src/main.rs
+++ b/pico-st7789/src/main.rs
@@ -93,7 +93,7 @@ unsafe fn main() -> ! {
         // The SPI system uses the peripheral clock
         clocks.peripheral_clock.freq(),
         // Transmit data at a rate of 1Mbit.
-        2_u32.MHz(),
+        1_u32.MHz(),
         // Run with SPI Mode 1. This means that the clock line should start high and that data will
         // be sampled starting at the first falling edge.
         embedded_hal::spi::MODE_3,
@@ -115,14 +115,6 @@ unsafe fn main() -> ! {
     let mut strength = 0;
     loop {
         led.set_high();
-        /*
-        let _ = board_select.set_low();
-        let _ = data_command.set_low();
-        let _ = spi.write(&[RAMWR]);
-        let _ = data_command.set_high();
-        let _ = spi.write(&frame);
-        let _ = board_select.set_high();
-        */
         {
             let display = display.acquire();
             display.send_buf(&frame);
diff --git a/pico-st7789/src/st7789.rs b/pico-st7789/src/st7789.rs
index 4e19441..c2bb0e2 100644
--- a/pico-st7789/src/st7789.rs
+++ b/pico-st7789/src/st7789.rs
@@ -66,6 +66,12 @@ const NORON: Step = Step {
     params: [0, 0, 0, 0],
     delay: Some(10),
 };
+const DISPOFF: Step = Step {
+    param_cnt: 0,
+    command: 0x28,
+    params: [0, 0, 0, 0],
+    delay: Some(10),
+};
 const DISPON: Step = Step {
     param_cnt: 0,
     command: 0x29,
@@ -180,10 +186,12 @@ impl<BoardSelectId: PinId, DataCommandId: PinId, D: SpiDevice, Pinout: ValidSpiP
     }
 
     pub fn send_buf(&mut self, frame: &[u8]) {
+        // let _ = DISPOFF.send_command(&mut self.spi, &mut self.data_command);
         let _ = self.data_command.set_low();
         let _ = self.spi.write(&[RAMWR]);
         let _ = self.data_command.set_high();
         let _ = self.spi.write(&frame);
+        // let _ = DISPON.send_command(&mut self.spi, &mut self.data_command);
     }
 }