diff --git a/embassy-strike-driver/src/drivers.rs b/embassy-strike-driver/src/drivers.rs
index 535da55..f6fd2e8 100644
--- a/embassy-strike-driver/src/drivers.rs
+++ b/embassy-strike-driver/src/drivers.rs
@@ -30,7 +30,7 @@ pub mod rp {
 
             while self
                 .adc
-                .read_many(&mut self.pin, buf, 480, &mut self.dma)
+                .read_many(&mut self.pin, buf, 240, &mut self.dma)
                 .await
                 .is_err()
             {