Fix ESP8266 crash-loop on PZEM/Modbus: move stray delay() inside rx-enable guard (#24886)

CHANGELOG.md

@@ -18,6 +18,7 @@ All notable changes to this project will be documented in this file.
 ### Fixed
 - BLE EQ3 float output in mqtt messages regression from v15.4.0.2 (#24869)
 - Default button/switch actions on builds without rules regression from v15.4.0.2 (#24871)
+- PZEM/Modbus energy monitor Exception crash-loop on ESP8266 regression from v15.5.0 (#24883)
 
 ### Removed
 

lib/lib_basic/TasmotaModbus-3.6.0/src/TasmotaModbus.cpp

@@ -213,8 +213,8 @@ uint8_t TasmotaModbus::Send(uint8_t device_address, uint8_t function_code, uint1
   write(frame, framepointer);
 
 #ifdef TASMOTA_MODBUS_RX_ENABLE
-  delay(10); // add a delay to allow write buffers to empty
   if (mb_rx_enable_pin > -1) {
+    delay(10); // allow write buffer to drain before re-enabling Rx
     digitalWrite(mb_rx_enable_pin, LOW);
   }
 #endif  // TASMOTA_MODBUS_RX_ENABLE