From b19b24473e9f2390933c225c74607f29f172784a Mon Sep 17 00:00:00 2001
From: Larry Bernstone <lbernstone@gmail.com>
Date: Mon, 12 Apr 2021 09:09:11 -0600
Subject: [PATCH] Serial::end hang

---
 cores/esp32/HardwareSerial.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cores/esp32/HardwareSerial.cpp b/cores/esp32/HardwareSerial.cpp
index f26c7006b20..3bf24950cfd 100644
--- a/cores/esp32/HardwareSerial.cpp
+++ b/cores/esp32/HardwareSerial.cpp
@@ -114,6 +114,7 @@ void HardwareSerial::end()
     if(uartGetDebug() == _uart_nr) {
         uartSetDebug(0);
     }
+    delay(10);
     log_v("pins %d %d",_tx_pin, _rx_pin);
     uartEnd(_uart, _tx_pin, _rx_pin);
     _uart = 0;