diff --git a/src/serial.rs b/src/serial.rs
index 95d05ea..a3240c2 100644
--- a/src/serial.rs
+++ b/src/serial.rs
@@ -5,11 +5,13 @@ use std::time::Duration;
 use embedded_hal::serial::{Read, Write};
 use esp_idf_hal::serial::{self, Rx, Tx};
 
+const READ_MAX_RETRIES: usize = 5;
+const READ_WAIT_TIME: u64 = 10;
+
 #[derive(Debug)]
 pub enum SerialError {
     ReadError(String),
     WriteError(String),
-    TimeoutError,
 }
 
 impl Error for SerialError {}
@@ -85,9 +87,6 @@ impl<UART: serial::Uart> SerialIO<UART> {
     }
 }
 
-const READ_MAX_RETRIES: usize = 5;
-const READ_WAIT_TIME: u64 = 50;
-
 impl<UART: serial::Uart> io::Read for SerialIO<UART> {
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
         let count = nb::block!(self.read_bytes(buf))