diff -r 8bb63daa7b46 -r 6d825e2962e4 main/task_ds18b20.c
--- a/main/task_ds18b20.c	Sun Nov 10 20:53:01 2019 +0100
+++ b/main/task_ds18b20.c	Mon Nov 11 16:54:12 2019 +0100
@@ -97,7 +97,7 @@
         	owb_string_from_rom_code(search_state.rom_code, rom_code_s, sizeof(rom_code_s));
 		rom_code_s[16] = '\0';
 #if 0
-        	printf("  %d : %s %d\n", num_devices + 1, rom_code_s, strlen(rom_code_s));
+        	ESP_LOGI(TAG, "  %d : %s %d\n", num_devices + 1, rom_code_s, strlen(rom_code_s));
 #endif
 		device_rom_codes[num_devices] = search_state.rom_code;
 		strncpy(ds18b20_state->sensor[num_devices].rom_code, rom_code_s, 17);