diff --git a/CMakeLists.txt b/CMakeLists.txt
index f19c761..1e87312 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,4 +6,4 @@ include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(esp32-ds18b20-example)
 
 # Ignore false clang warnings about `struct foo = { 0 }`
-target_compile_options(main PRIVATE -Wno-missing-braces -Wmissing-field-initializers)
+target_compile_options(${IDF_PROJECT_EXECUTABLE} PRIVATE -Wno-missing-braces -Wmissing-field-initializers)
diff --git a/components/esp32-ds18b20 b/components/esp32-ds18b20
index 331cadf..d76b70c 160000
--- a/components/esp32-ds18b20
+++ b/components/esp32-ds18b20
@@ -1 +1 @@
-Subproject commit 331cadf2e25c004b5506d329979ac3f7d4998a5d
+Subproject commit d76b70c0a795adbbd1b9d1b3e2789b455cfd945d
diff --git a/components/esp32-owb b/components/esp32-owb
index de012fd..af25dd3 160000
--- a/components/esp32-owb
+++ b/components/esp32-owb
@@ -1 +1 @@
-Subproject commit de012fd1deeb9aff194bc8e32e1dee725258c022
+Subproject commit af25dd31dbb1e80364b99fad29815badfab0ceda
diff --git a/main/app_main.c b/main/app_main.c
index a15ee6a..d0705ec 100644
--- a/main/app_main.c
+++ b/main/app_main.c
@@ -43,8 +43,9 @@ void app_main()
     // Override global log level
     esp_log_level_set("*", ESP_LOG_INFO);
 
-    // To debug OWB, use 'make menuconfig' to set default Log level to DEBUG, then uncomment:
+    // To debug, use 'make menuconfig' to set default Log level to DEBUG, then uncomment:
     //esp_log_level_set("owb", ESP_LOG_DEBUG);
+    //esp_log_level_set("ds18b20", ESP_LOG_DEBUG);
 
     // Stable readings require a brief period before communication
     vTaskDelay(2000.0 / portTICK_PERIOD_MS);
@@ -133,7 +134,7 @@ void app_main()
         {
             ds18b20_init(ds18b20_info, owb, device_rom_codes[i]); // associate with bus and device
         }
-        ds18b20_use_crc(ds18b20_info, true);           // enable CRC check for temperature readings
+        ds18b20_use_crc(ds18b20_info, true);           // enable CRC check on all reads
         ds18b20_set_resolution(ds18b20_info, DS18B20_RESOLUTION);
     }
 
@@ -191,6 +192,10 @@ void app_main()
             vTaskDelayUntil(&last_wake_time, SAMPLE_PERIOD / portTICK_PERIOD_MS);
         }
     }
+    else
+    {
+        printf("\nNo DS18B20 devices detected!\n");
+    }
 
     // clean up dynamically allocated data
     for (int i = 0; i < num_devices; ++i)