Installing ESP8266 Board in Arduino IDE (Windows, Mac OS X, Linux)
Содержание
- Watch the Video Tutorial
- Prerequisites: Arduino IDE Installed
- Install ESP8266 Add-on in Arduino IDE
- Testing the Installation
- Uploading the Sketch
- Schematic
- Troubleshooting
- Wrapping Up
The ESP8266 community created an add-on for the Arduino IDE that allows you to program the ESP8266 using the Arduino IDE and its programming language.
This tutorial shows how to install the ESP8266 board in Arduino IDE whether you’re using Windows, Mac OS X or Linux.
Watch the Video Tutorial
This tutorial is available in video format (watch below) and in written format (continue reading this page).
If you like the ESP8266 and want to build more projects, you can get my eBook: Home Automation using ESP8266.
Prerequisites: Arduino IDE Installed
Before starting this installation procedure, make sure you have the latest version of the Arduino IDE installed in your computer. If you don’t, uninstall it and install it again. Otherwise, it may not work.
Having the latest Arduino IDE software installed from arduino.cc/en/Main/Software, continue with this tutorial.
Do you need an ESP8266 board? You can buy it here.
Install ESP8266 Add-on in Arduino IDE
To install the ESP8266 board in your Arduino IDE, follow these next instructions:
In your Arduino IDE, go to File Preferences
Enter http://arduino.esp8266.com/stable/package_esp8266com_index.json into the “Additional Boards Manager URLs” field as shown in the figure below. Then, click the “OK” button:
Note: if you already have the ESP32 boards URL, you can separate the URLs with a comma as follows:
Open the Boards Manager. Go to Tools Board Boards Manager…
Search for ESP8266 and press install button for the “ESP8266 by ESP8266 Community“:
That’s it. It should be installed after a few seconds.
Testing the Installation
To test the ESP8266 add-on installation, let’s see if we can blink an LED with the ESP8266 using the Arduino programming language.
Parts Required
Here’s the hardware that you need to complete this project:
If you’re using an ESP8266-01, you also need an FTDI programmer to upload code.
You can use the preceding links or go directly to MakerAdvisor.com/tools to find all the parts for your projects at the best price!
Uploading the Sketch
Uploading the Sketch to the ESP-12E
If you’re using an ESP-12E NodeMCU Kit, uploading the sketch is very simple, since it has built-in programmer. Plug your board to your computer. Make sure you have the right board selected:
You also need to select the Port:
Then, copy the code provided:
Click the “Upload” button in the Arduino IDE and wait a few seconds until you see the message “Done uploading.” in the bottom left corner.
Uploading the Sketch to the ESP-01
Uploading code to the ESP-01 requires establishing a serial communication between your ESP8266 and a FTDI Programmer as shown in the schematic diagram below.
The following table shows the connections you need to make between the ESP8266 and the FTDI programmer.
| ESP8266 | FTDI programmer |
| RX | TX |
| TX | RX |
| CH_PD | 3.3V |
| GPIO 0 | GND |
| VCC | 3.3V |
| GND | GND |
If you have a brand new FTDI Programmer and you need to install your FTDI drivers on Windows PC, visit this website for the official drivers: http://www.ftdichip.com/Drivers/VCP.htm.
Then, you just need to connect the FTDI programmer to your computer, and upload the sketch to your ESP8266 board. You should see the “Done Uploading” message after a few seconds.
Schematic
If you’re using an ESP8266-12E
Connect an LED to your ESP8266, as shown in the following schematic diagram. The LED should be connected to GPIO 2 (D4).
If you’re using an ESP8266-01
If you’re using the ESP8266-01 assemble the following circuit.
If everything went well, your LED should be blinking every 1 second.
Troubleshooting
If you try to upload a new sketch to your ESP8266 and you get this error message “esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header“. It means that your ESP8266 is not in flashing/uploading mode.
Having the right board name and COM port selected, follow these steps:
- Hold-down the “BOOT/FLASH” button in your ESP8266 development board
- Press the “Upload” button in the Arduino IDE to upload your sketch:
- When you see the “Connecting….” message in your Arduino IDE, release the finger from the “BOOT/FLASH” button
- After that, you should see the “Done uploading” message
Your ESP8266 should have the new sketch running. Press the “ENABLE/RESET” button to restart the ESP8266 and run the new uploaded sketch.
Wrapping Up
This is a quick guide that illustrates how to prepare your Arduino IDE for the ESP8266 on a Windows PC, Mac OS X, or Linux computer.
That’s it, you’re ready to start building your own IoT projects with the ESP8266!
Do you have any questions? Leave a comment below!
Thanks for reading. If you like this post probably you might like my next ones, so subscribe to my newsletter.
[eBook] Build Web Servers with ESP32 and ESP8266 (2nd Edition)
Build Web Server projects with the ESP32 and ESP8266 boards to control outputs and monitor sensors remotely. Learn HTML, CSS, JavaScript and client-server communication protocols DOWNLOAD »
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60 thoughts on “Installing ESP8266 Board in Arduino IDE (Windows, Mac OS X, Linux)”
Hi
I need some help…!
I want o using esp8266 esp-07 standalone and program it with the arduino ids but i can’t even compile the examples with the ide and I fallow all the instructions in the github website and also your website and the error is compile error please help me how can i fix this problem.
thankes alot
Can you see the ESP8266 boards in the tools section? Have you restarted your Arduino IDE? Which error is occurring?
Hi
I need some help…!
I want o using esp8266 esp-07 standalone and program it with the arduino ids but i can’t even compile the examples with the ide and I fallow all the instructions in the github website and also your website and the error is compile error please help me how can i fix this problem.
thankes alot
please where is code Rui
It’s on this exact page
hi rui
but for start the led blink i remove the gpio 0 from 3v
the image is incorrect 🙂
thankes alot for all
The GPIO 0 connected to VCC is to make that your ESP doesn’t boot in flash/upload mode.
When I try to upload the code, the compilation give me some errors
warning: espcomm_sync failed
error: espcomm_open failed
error: espcomm_upload_mem failed
Do you know because this?
Hi Oscar,
Your ESP8266 is not in flash mode or it’s having a power issue.
Can you read this troubleshooting guide? https://randomnerdtutorials.com/esp8266-troubleshooting-guide/
I hope this helps,
Rui
I’ve to flash my ESP again and upload the code, but the LED isn’t blinking, and I really doing step by step.
One note, as someone who just tried this, and…. bombed… This will require one of the 1.6.x or newer versions of the Arduino IDE.. I’m running a UBUNTU desktop, and it’s version for the IDE is 1.0.5… Not going to work! (and for some reason, they install the IDE in an odd fashion, making it tougher to install the newer version.)
Hello is there a way to password protect my esp’s access point. Thanks.
Hello MR. Rui Santos
I am a novice at Arduino projects.
Install ESP8266 according to your instructions and uplaud to get the following information:
I am a novice at Arduino projects.
Install ESP8266 according to your instructions and uplaud to get the following information:
I am a novice at Arduino projects.
Install ESP8266 according to your instructions and uplaud to get the following information:
warning: espcomm_sync failed
error: espcomm_open failed
error: espcomm_upload_mem failed
error: espcomm_upload_mem failed
Sketch uses 222,241 bytes (44%) of program storage space. Maximum is 499,696 bytes.
Global variables use 31,576 bytes (38%) of dynamic memory, leaving 50,344 bytes for local variables. Maximum is 81,920 bytes.
warning: espcomm_sync failed
error: espcomm_open failed
error: espcomm_upload_mem failed
error: espcomm_upload_mem failed
Your ESP is not establishing a serial communication with your computer, so it can’t upload any code.
I hope this post helps: https://randomnerdtutorials.com/esp8266-troubleshooting-guide/
I have NodeMCU installed on my ESP-01.
Can’t I use Arduino IDE with it? If I can then how? if I can’t than what shall I do to be able to use Arduino IDE?
You can use the Arduino IDE, if you follow this tutorial will overwrite the NodeMCU firmware with the Arduino IDE blink sketch
Thank you very much for this tutorial.
You’re welcome,
Rui
Hi Rui Santos,
When I go to boards manager it says: Error downloading http://arduino.esp8266.com/stable/package_esp8266com_index.json and doesn’t download anything. I am using OS X El Capitan. I’ve try in windows machine and it works…
Do you think is some issue with the mac machine?
Regards Leandro
Thank you Mr.Rui. I followed your instructions in this tutorial, but I have this error message:
“/bin/xtensa-1×106-elf-g++ ” not found
Error compiling for board Generic ESP6266 module
Build options changed, rebuilding all
exec: “/bin/xtensa-lx106-elf-g++”: file does not exist
Error compiling for board Generic ESP8266 Module.
This report would have more information with
“Show verbose output during compilation”
option enabled in File — Preferences.
I want to use 2 esp s and two arduino one of them will act as a server and the other is client to control my combi using a relay. One of them will get the temperature of my room by means of dht22 and send it to other when it’s below the temperature I want the other esp will take the information and trigger the relay. How can I do this?
Hi Neil,
I don’t have any tutorials on that exact subject.
Thanks,
Rui
My LED does not blink. Please help me with this.
You didn’t provide any details, so it can be anything… Please read this troubleshooting guide that might help: https://randomnerdtutorials.com/esp8266-troubleshooting-guide/
Found your site. And have an Adafruit ESP8266 board (https://www.adafruit.com/product/2821).
Loaded your code and it works straight away!
Don’t need any external LEDs, your code will turn the red blue LEDs off and on. Just need to reverse the HIGH / LOW in the socket On / Off calls.
Thanks for the excellent post!
I’m using the Arduino IDE version 1.8.5 with a Windows computer, Arduino UNO, and an ESP8266-01. I tried uploading the blink_led_8266 sketch. The IDE keeps reporting that it “can not compile”. I can’t figure out what is going on. When I go back to an old version IDE I can upload sketches without any problem. Any ideas?
Hi Robert.
Have you installed the ESP8266 board in the new version of Arduino IDE 1.8.5?
Having two versions of Arduino IDE may cause conflicts, because you may think you’re running one version instead of the other.
You need to install the ESP8266 board in both versions, if you want to keep them both installed.
Hi Sara,
I installed the Arduino IDE 1.8.5 on another computer with Windows 10.
The error message that I’m getting is as follows:
Warning: espcomm_send_command: wrong direction/command:
0x00 0x8, expected 0x01 0x08
Warning: espcomm_sync failed
Error: espcomm_open failed
Error: espcomm_upload_mem failed
I get the Arduino and the ESP8266 to respond to the uploading of the sketch by seeing the Arduino led flash and also the blue led on the ESP8266 flash.
Where do I go from here? I’m going to order an FTDI programmer to see if that makes a difference rather then using the Arduino UNO.
Let me know what you think.
Thank you.
I would recommend using an FTDI, and that should solve your problem, but an Arduino Uno should also work.
That error means that your computer is not making a serial connection with your ESP8266.
You need to double check the TX and RX connections.
You might also need to reboot your ESP while GPIO 0 is connected to GND, to ensure that your ESP boots in uploading mode.
I hope this helps.
thank you .you solve my problem
Hi, Why I can’t select any port in the “Tool” menu?
Hi.
Please read our troubleshooting guide bullet 6 (this is for ESP32, but it also applies to ESP8266): https://randomnerdtutorials.com/esp32-troubleshooting-guide/
I hope this helps.
Regards,
Sara
Great! Thank you very much!
The thing is my laptop said it was downloading something the first time I plugged the board, but I didn’t check what the result was. Thanks again!
Rui,
I am having trouble getting the ESp8266 board manager to load.
I get this error:
Error downloading http://arduino.esp8266.com/stable/package_esp8266com_index.json
I am running ver 1.8.9
I have re-booted IDE and even the computer, still the same.
I loaded the ESP32 board manager and it worked fine.
Did you ever figure this out? I had no problem with the ESP32 board manager, but the same fail as you for ESP8266 board manager.
Thank so much. God bless y’all.
Ok I have tried everything under the sun(internet searches) I keep getting the same message Arduino: 1.8.13 (Mac OS X), Board: “NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled (new can abort), All SSL ciphers (most compatible), 4MB (FS:none OTA:
1019KB), v2 Lower Memory, Disabled, None, Only Sketch, 57600”
/private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/arduino-builder -dump-prefs -logger=machine -hardware /private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/hardware -hardware /Users/Owner/Library/Arduino15/packages -tools /private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/tools-builder -tools /private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/hardware/tools/avr -tools /Users/Owner/Library/Arduino15/packages -built-in-libraries /private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/libraries -libraries /Users/Owner/Documents/Arduino/libraries -fqbn=esp8266:esp8266:nodemcuv2:xtal=80,vt=flash,exception=disabled,ssl=all,eesz=4M,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=57600 -vid-pid=0000_0000 -ide-version=10813 -build-path /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711 -warnings=default -build-cache /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_cache_622285 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.mkspiffs.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/mkspiffs/2.5.0-4-b40a506 -prefs=runtime.tools.mkspiffs-2.5.0-4-b40a506.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/mkspiffs/2.5.0-4-b40a506 -prefs=runtime.tools.python3.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1 -prefs=runtime.tools.python3-3.7.2-post1.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1 -prefs=runtime.tools.xtensa-lx106-elf-gcc.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506 -prefs=runtime.tools.xtensa-lx106-elf-gcc-2.5.0-4-b40a506.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506 -prefs=runtime.tools.mklittlefs.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/mklittlefs/2.5.0-4-69bd9e6 -prefs=runtime.tools.mklittlefs-2.5.0-4-69bd9e6.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/mklittlefs/2.5.0-4-69bd9e6 -verbose /Users/Owner/Documents/Arduino/sketch_jul17cb/sketch_jul17cb.ino
/private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/arduino-builder -compile -logger=machine -hardware /private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/hardware -hardware /Users/Owner/Library/Arduino15/packages -tools /private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/tools-builder -tools /private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/hardware/tools/avr -tools /Users/Owner/Library/Arduino15/packages -built-in-libraries /private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/libraries -libraries /Users/Owner/Documents/Arduino/libraries -fqbn=esp8266:esp8266:nodemcuv2:xtal=80,vt=flash,exception=disabled,ssl=all,eesz=4M,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=57600 -vid-pid=0000_0000 -ide-version=10813 -build-path /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711 -warnings=default -build-cache /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_cache_622285 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.mkspiffs.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/mkspiffs/2.5.0-4-b40a506 -prefs=runtime.tools.mkspiffs-2.5.0-4-b40a506.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/mkspiffs/2.5.0-4-b40a506 -prefs=runtime.tools.python3.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1 -prefs=runtime.tools.python3-3.7.2-post1.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1 -prefs=runtime.tools.xtensa-lx106-elf-gcc.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506 -prefs=runtime.tools.xtensa-lx106-elf-gcc-2.5.0-4-b40a506.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506 -prefs=runtime.tools.mklittlefs.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/mklittlefs/2.5.0-4-69bd9e6 -prefs=runtime.tools.mklittlefs-2.5.0-4-69bd9e6.path=/Users/Owner/Library/Arduino15/packages/esp8266/tools/mklittlefs/2.5.0-4-69bd9e6 -verbose /Users/Owner/Documents/Arduino/sketch_jul17cb/sketch_jul17cb.ino
Using board ‘nodemcuv2’ from platform in folder: /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0
Using core ‘esp8266’ from platform in folder: /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0
/Users/Owner/Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1/python3 /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/makecorever.py –build_path /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711 –platform_path /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0 –version unix-2.6.0
fatal: not a git repository (or any of the parent directories): .git
Detecting libraries used…
/Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506/bin/xtensa-lx106-elf-g++ -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/include -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/lwip2/include -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/libc/xtensa-lx106-elf/include -I/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/core -c -w -Os -g -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++11 -ffunction-sections -fdata-sections -fno-exceptions -DNEW_OOM_ABORT -w -x c++ -E -CC -DNONOSDK22x_191024=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10813 -DARDUINO_ESP8266_NODEMCU -DARDUINO_ARCH_ESP8266 “-DARDUINO_BOARD=\”ESP8266_NODEMCU\”” -DFLASHMODE_DIO -DESP8266 -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/cores/esp8266 -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/variants/nodemcu /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch/sketch_jul17cb.ino.cpp -o /dev/null -DARDUINO_LIB_DISCOVERY_PHASE
Generating function prototypes…
/Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506/bin/xtensa-lx106-elf-g++ -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/include -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/lwip2/include -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/libc/xtensa-lx106-elf/include -I/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/core -c -w -Os -g -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++11 -ffunction-sections -fdata-sections -fno-exceptions -DNEW_OOM_ABORT -w -x c++ -E -CC -DNONOSDK22x_191024=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10813 -DARDUINO_ESP8266_NODEMCU -DARDUINO_ARCH_ESP8266 “-DARDUINO_BOARD=\”ESP8266_NODEMCU\”” -DFLASHMODE_DIO -DESP8266 -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/cores/esp8266 -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/variants/nodemcu /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch/sketch_jul17cb.ino.cpp -o /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/preproc/ctags_target_for_gcc_minus_e.cpp -DARDUINO_LIB_DISCOVERY_PHASE
/private/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/AppTranslocation/898E1FD5-7C13-486F-8EB4-BF2FCC9AB98A/d/Arduino.app/Contents/Java/tools-builder/ctags/5.8-arduino11/ctags -u –language-force=c++ -f – –c++-kinds=svpf –fields=KSTtzns –line-directives /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/preproc/ctags_target_for_gcc_minus_e.cpp
Compiling sketch…
/Users/Owner/Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1/python3 /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/signing.py –mode header –publickey /Users/Owner/Documents/Arduino/sketch_jul17cb/public.key –out /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/core/Updater_Signing.h
/Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506/bin/xtensa-lx106-elf-g++ -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/include -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/lwip2/include -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/libc/xtensa-lx106-elf/include -I/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/core -c -Os -g -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++11 -MMD -ffunction-sections -fdata-sections -fno-exceptions -DNEW_OOM_ABORT -DNONOSDK22x_191024=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10813 -DARDUINO_ESP8266_NODEMCU -DARDUINO_ARCH_ESP8266 “-DARDUINO_BOARD=\”ESP8266_NODEMCU\”” -DFLASHMODE_DIO -DESP8266 -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/cores/esp8266 -I/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/variants/nodemcu /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch/sketch_jul17cb.ino.cpp -o /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch/sketch_jul17cb.ino.cpp.o
Compiling libraries…
Compiling core…
Using precompiled core: /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_cache_622285/core/core_38d1b48b8c77fb185041ca4ab7d7c526.a
Linking everything together…
/Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506/bin/xtensa-lx106-elf-gcc -CC -E -P -DVTABLES_IN_FLASH /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/ld/eagle.app.v6.common.ld.h -o /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/local.eagle.app.v6.common.ld
/Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506/bin/xtensa-lx106-elf-gcc -fno-exceptions -DNEW_OOM_ABORT -Wl,-Map -Wl,/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.map -g -Os -nostdlib -Wl,–no-check-sections -u app_entry -u _printf_float -u _scanf_float -Wl,-static -L/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/lib -L/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/lib/NONOSDK22x_191024 -L/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/ld -L/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sdk/libc/xtensa-lx106-elf/lib -Teagle.flash.4m.ld -Wl,–gc-sections -Wl,-wrap,system_restart_local -Wl,-wrap,spi_flash_read -o /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.elf -Wl,–start-group /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch/sketch_jul17cb.ino.cpp.o /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_cache_622285/core/core_38d1b48b8c77fb185041ca4ab7d7c526.a -lhal -lphy -lpp -lnet80211 -llwip2-536-feat -lwpa -lcrypto -lmain -lwps -lbearssl -laxtls -lespnow -lsmartconfig -lairkiss -lwpa2 -lstdc++ -lm -lc -lgcc -Wl,–end-group -L/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711
/Users/Owner/Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1/python3 /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/elf2bin.py –eboot /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/bootloaders/eboot/eboot.elf –app /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.elf –flash_mode dio –flash_freq 40 –flash_size 4M –path /Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506/bin –out /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.bin
Creating BIN file “/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.bin” using “/var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.elf”
/Users/Owner/Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1/python3 /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/signing.py –mode sign –privatekey /Users/Owner/Documents/Arduino/sketch_jul17cb/private.key –bin /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.bin –out /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.bin.signed –legacy /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.bin.legacy_sig
/Users/Owner/Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1/python3 /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/sizes.py –elf /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.elf –path /Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506/bin
Executable segment sizes:
IROM : 228344 – code in flash (default or ICACHE_FLASH_ATTR)
IRAM : 26556 / 32768 – code in IRAM (ICACHE_RAM_ATTR, ISRs…)
DATA : 1240 ) – initialized variables (global, static) in RAM/HEAP
RODATA : 1520 ) / 81920 – constants (global, static) in RAM/HEAP
BSS : 24896 ) – zeroed variables (global, static) in RAM/HEAP
/Users/Owner/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-4-b40a506/bin/xtensa-lx106-elf-size -A /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.elf
Sketch uses 257660 bytes (24%) of program storage space. Maximum is 1044464 bytes.
Global variables use 27656 bytes (33%) of dynamic memory, leaving 54264 bytes for local variables. Maximum is 81920 bytes.
/Users/Owner/Library/Arduino15/packages/esp8266/tools/python3/3.7.2-post1/python3 /Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/upload.py –chip esp8266 –port /dev/cu.Bluetooth-Incoming-Port –baud 57600 flash_id –end –chip esp8266 –port /dev/cu.Bluetooth-Incoming-Port –baud 57600 –before default_reset –after hard_reset write_flash 0x0 /var/folders/b0/79htx0t55l507ss77m0grkk40000gp/T/arduino_build_967711/sketch_jul17cb.ino.bin –end
esptool.py v2.7
Serial port /dev/cu.Bluetooth-Incoming-Port
Connecting…….._____….._____….._____….._____….._____….._____…..____Traceback (most recent call last):
File “/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/upload.py”, line 25, in
esptool.main(fakeargs)
File “/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/esptool/esptool.py”, line 2841, in main
esp.connect(args.before)
File “/Users/Owner/Library/Arduino15/packages/esp8266/hardware/esp8266/2.6.0/tools/esptool/esptool.py”, line 483, in connect
raise FatalError(‘Failed to connect to %s: %s’ % (self.CHIP_NAME, last_error))
esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header
esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header
If the port is correct press the boot button (the other side of Reset) until you have connection, then release it.
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