diff --git a/src/bme680mems.cpp b/src/bme680mems.cpp
index 468e85da..08795f31 100644
--- a/src/bme680mems.cpp
+++ b/src/bme680mems.cpp
@@ -101,34 +101,28 @@ void bme_loop(void *pvParameters) {
 
 int8_t i2c_read(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data,
                 uint16_t len) {
-  int8_t rslt = 0; /* Return 0 for Success, non-zero for failure */
-  uint16_t i;
-
+  int8_t rslt = 0;
   Wire.beginTransmission(dev_id);
   Wire.write(reg_addr);
-  rslt = Wire.endTransmission();
+  rslt = Wire.endTransmission(false);
 
   Wire.requestFrom((int)dev_id, (int)len);
-  for (i = 0; (i < len) && Wire.available(); i++) {
+  for (uint16_t i = 0; (i < len) && Wire.available(); i++) {
     reg_data[i] = Wire.read();
   }
-
+  // return 0 for success, non-zero for failure
   return rslt;
 }
 
 int8_t i2c_write(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data,
                  uint16_t len) {
-  int8_t rslt = 0; /* Return 0 for Success, non-zero for failure */
-  uint16_t i;
-
   Wire.beginTransmission(dev_id);
   Wire.write(reg_addr);
-  for (i = 0; i < len; i++) {
+  for (uint16_t i = 0; i < len; i++) {
     Wire.write(reg_data[i]);
   }
-  rslt = Wire.endTransmission();
-
-  return rslt;
+  // return 0 for success, non-zero for failure
+  return Wire.endTransmission(true);
 }
 
 /*!
diff --git a/src/main.cpp b/src/main.cpp
index 5a0604cc..f6e88b75 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -35,9 +35,11 @@ IDLE          0     0     ESP32 arduino scheduler -> runs wifi sniffer
 looptask      1     1     arduino core -> runs the LMIC LoRa stack
 irqhandler    1     1     executes tasks triggered by irq
 gpsloop       1     2     reads data from GPS via serial or i2c
-bmeloop       1     2     reads data from BME sensor via i2c
+bmeloop       1     0     reads data from BME sensor via i2c
 IDLE          1     0     ESP32 arduino scheduler
 
+Low priority numbers denote low priority tasks.
+
 ESP32 hardware timers
 ==========================
  0	Trigger display refresh
@@ -239,7 +241,7 @@ void setup() {
                             "bmeloop", // name of task
                             4096,      // stack size of task
                             (void *)1, // parameter of the task
-                            2,         // priority of the task
+                            0,         // priority of the task
                             &BmeTask,  // task handle
                             1);        // CPU core
   }
@@ -331,7 +333,7 @@ void setup() {
   ESP_LOGI(TAG, "Starting IRQ Handler...");
   xTaskCreatePinnedToCore(irqHandler,      // task function
                           "irqhandler",    // name of task
-                          2048,            // stack size of task
+                          4096,            // stack size of task
                           (void *)1,       // parameter of the task
                           1,               // priority of the task
                           &irqHandlerTask, // task handle