diff --git a/src/emsuart.cpp b/src/emsuart.cpp
index 0724b29db..6744f0c5c 100644
--- a/src/emsuart.cpp
+++ b/src/emsuart.cpp
@@ -109,7 +109,7 @@ void ICACHE_FLASH_ATTR emsuart_init() {
     USC0(EMSUART_UART) |= (tmp);                      // set bits
     USC0(EMSUART_UART) &= ~(tmp);                     // clear bits
 
-    // conf 1 params
+    // conf1 params
     // UCTOE = RX TimeOut enable (default is 1)
     // UCTOT = RX TimeOut Threshold (7bit) = want this when no more data after 2 characters. (default is 2)
     // UCFFT = RX FIFO Full Threshold (7 bit) = want this to be 31 for 32 bytes of buffer. (default was 127).
@@ -137,6 +137,14 @@ void ICACHE_FLASH_ATTR emsuart_init() {
     system_uart_swap();
 }
 
+/*
+ * stop UART0 driver
+ */
+void ICACHE_FLASH_ATTR emsuart_stop() {
+    ETS_UART_INTR_DISABLE();
+    ETS_UART_INTR_ATTACH(NULL, NULL);
+}
+
 /*
  * Send a BRK signal
  * Which is a 11-bit set of zero's (11 cycles)
diff --git a/src/emsuart.h b/src/emsuart.h
index f3d3f6739..e4c7bf617 100644
--- a/src/emsuart.h
+++ b/src/emsuart.h
@@ -28,6 +28,7 @@ typedef struct {
 } _EMSRxBuf;
 
 void ICACHE_FLASH_ATTR emsuart_init();
+void ICACHE_FLASH_ATTR emsuart_stop();
 void ICACHE_FLASH_ATTR emsuart_tx_buffer(uint8_t * buf, uint8_t len);
 void ICACHE_FLASH_ATTR emsaurt_tx_poll();
 void ICACHE_FLASH_ATTR emsuart_tx_brk();