Wireless Connectivity to Arduino - English
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Wireless connection problem
Wireless cnnection can't be successfully done while uploading the code to Arduino board...It is showing...Timed out for packet header...
10-11M 30-40SJune 20, 2025, 2:07 p.m. Snehasis_Roy
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failed to connect to esp8266
hi,after successful compilation and uploading when it displays connecting i pressed the pushbutton as told and then the following error message is displayed.esptool.FatalError: Failed to connect to ESP8266: Invalid head of packet (0x00).please help
10-11M 10-20SJune 20, 2025, 2 p.m. kalyanicc
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Error While Uploading
I am using Windows 10 and i am not able to upload the code, i have followed all the steps properly.This is the error i am gettingArduino: 1.8.13 (Windows 10), Board: "Generic ESP8266 Module, 80 MHz, Flash, Legacy (new can return nullptr), All SSL ciphers (most compatible), no dtr (aka ck), 26 MHz, 40MHz, DOUT (compatible), 1MB (FS:64KB OTA:~470KB), 1, nonos-sdk 2.2.1+100 (190703), v2 Lower Memory, Disabled, None, Only Sketch, 115200"Executable segment sizes:IROM : 242452 - code in flash (default or ICACHE_FLASH_ATTR) IRAM : 26816 / 32768 - code in IRAM (ICACHE_RAM_ATTR, ISRs...) DATA : 1260 ) - initialized variables (global, static) in RAM/HEAP RODATA : 1092 ) / 81920 - constants (global, static) in RAM/HEAP BSS : 24960 ) - zeroed variables (global, static) in RAM/HEAP Sketch uses 271620 bytes (28%) of program storage space. Maximum is 958448 bytes.Global variables use 27312 bytes (33%) of dynamic memory, leaving 54608 bytes for local variables. Maximum is 81920 bytes.esptool.py v2.8Serial port COM3Connecting........_____....._____....._____....._____....._____....._____.....____Traceback (most recent call last): File "C:\Users\SHLOK\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.4/tools/upload.py", line 65, in <module> esptool.main(cmdline) File "C:/Users/SHLOK/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/2.7.4/tools/esptool\esptool.py", line 2890, in main esp.connect(args.before) File "C:/Users/SHLOK/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/2.7.4/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_the selected serial port _ does not exist or your board is not connectedThis report would have more information with"Show verbose output during compilation"option enabled in File -> Preferences.
10-11M 0-10SJune 19, 2025, 2:19 a.m. shlok0108
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Wifi module
What is the configuration of wifi module ESP8266-1? Can we set the limit of connection to the wifi?
02-03M 0-10SJune 18, 2025, 5:05 a.m. rjangir
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Error while uploading
My program compiled successfully but while uploading it gives an error 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 headerI am using Windows 10
10-11M 0-10SJune 16, 2025, 10:58 p.m. Sumit6135880
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Error while uploading
Hello,My program for this tutorial is compiling properly. But its giving an error while uploading. I m using windows 10. When I start uploading as per tutorial when connecting... appears i need to click a button for 2 to 3 seconds...after pressing button its giving different errors like1) serial.serialutil.SerialException: could not open port 'COM4': FileNotFoundError(2, 'The system cannot find the file specified.', None, 2) esptool.fatalerror: failed to connect to esp8266: timed out waiting for packet header
10-11M 0-10SJune 20, 2025, 2:27 p.m. sagar_3803@rediffmail.com
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Problem in compilation of program
Getting Error Arduino: 1.8.11 (Windows 10), Board: "Generic ESP8266 Module, 80 MHz, Flash, Disabled, All SSL ciphers (most compatible), nodemcu, 26 MHz, 40MHz, DOUT (compatible), 1M (64K SPIFFS), 2, nonos-sdk 2.2.1 (legacy), v2 Lower Memory, Disabled, None, Only Sketch, 115200"C:\\Users\\researcher\\Desktop\\TAP 8_2_2020\\PWM\\PWM.ino: In function 'void setup()':PWM:315:6: error: 'class WiFiClass' has no member named 'softAP' WiFi.softAP(ssid, password); ^exit status 1'class WiFiClass' has no member named 'softAP'This report would have more information with"Show verbose output during compilation"option enabled in File -> Preferences.
09-10M 30-40SJune 18, 2025, 6:59 a.m. Tejpunj_IITB
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wireless problem
at remote centre junagadh, gujrat , problem for wireless.
09-10M 20-30SJune 20, 2025, 2:01 p.m. spnalanda
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Arduino main workshop
exit status -1073741515Error compiling for board Generic ESP8266 Module.On compilation this error is displayedCan you please guide us in this regard?RegardsJ.HarithaAssistant Professor,Department of EIEBannari Amman Institute of TechnologySathyamangalam
09-10M 20-30SJune 18, 2025, 6:55 a.m. HarithaJ
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error in wifi module
serial.serialutil.SerialTimeoutException: Write timeoutthe selected serial port serial.serialutil.SerialTimeoutException: Write timeout does not exist or your board is not connected.
01-02M 10-20SJune 20, 2025, 2:14 a.m. deepajain
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esptool.FatalError:Failed to connect to ESP8266: TIMED OUT WAITING FOR PACKET HEADER
Arduino: 1.8.11 (Windows 7), Board: "Generic ESP8266 Module, 80 MHz, Flash, Legacy (new can return nullptr), All SSL ciphers (most compatible), no dtr (aka ck), 26 MHz, 40MHz, DOUT (compatible), 1MB (FS:64KB OTA:~470KB), 1, nonos-sdk 2.2.1+100 (190703), v2 Lower Memory, Disabled, None, Only Sketch, 115200"Executable segment sizes:IROM : 241152 - code in flash (default or ICACHE_FLASH_ATTR) IRAM : 26836 / 32768 - code in IRAM (ICACHE_RAM_ATTR, ISRs...) DATA : 1264 ) - initialized variables (global, static) in RAM/HEAP RODATA : 1076 ) / 81920 - constants (global, static) in RAM/HEAP BSS : 24968 ) - zeroed variables (global, static) in RAM/HEAP Sketch uses 270328 bytes (28%) of program storage space. Maximum is 958448 bytes.Global variables use 27308 bytes (33%) of dynamic memory, leaving 54612 bytes for local variables. Maximum is 81920 bytes.esptool.py v2.8Serial port COM3Connecting........_____....._____....._____....._____....._____....._____.....____Traceback (most recent call last): File "C:\\Users\\student\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\2.6.3/tools/upload.py", line 65, in <module> esptool.main(cmdline) File "C:/Users/student/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/2.6.3/tools/esptool\\esptool.py", line 2890, in main esp.connect(args.before) File "C:/Users/student/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/2.6.3/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 headeresptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header_This report would have more information with"Show verbose output during compilation"option enabled in File -> Preferences.
10-11M 0-10SJune 20, 2025, 2:53 p.m. jameer-gitam
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Problem in Downloading ESP8266 Board Manager
After press install button, I am getting downloading error for all versions aserror downloading https://github.com/esp8266/Arduino/releases/download/2.6.3/esp8266-2.6.3.zip
05-06M 50-60SJune 16, 2025, 11:05 p.m. Tejpunj_IITB
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Arduino ESP module Error message.
Hi I'm from Joany Rm from Sathyabama.ESP module header file is missing: Error message.Can you please help?
04-05M 10-20SJune 19, 2025, 1:04 p.m. mariajoany
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when we have installed arduion version 1.6.9 in windows 7 for this time we are unable to get ESP8266 liberarys in board manager we are geting error in arduion download packages
when we have installed arduion version 1.6.9 in windows 7 for this time we are unable to get ESP8266 liberarys in board manager we are geting error in arduion download packages
05-06M 30-40SJune 18, 2025, 11:46 a.m. Keni
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Facing ERROR MESSAGE DURING UPLOADING in WIFI CONNECTIVITY
ERROR MESSAGEFile "C:\\Users\\EE-Powersystem pc1\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\2.6.3/tools/upload.py", line 65, in <module> esptool.main(cmdline) File "C:/Users/EE-Powersystem pc1/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/2.6.3/tools/esptool\\esptool.py", line 2890, in main esp.connect(args.before) File "C:/Users/EE-Powersystem pc1/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/2.6.3/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 headerWAITING FOR UR REPLY
04-05M 0-10SJune 20, 2025, 2:44 p.m. pritamchandra14
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Facing problems in establishing connection
I have followed all the steps as per instructed in the tutorial on my desktop PC which uses Windows 10 OS, still we are unable to establish a connection with the WiFi network of the ESP8266 module. 1) The code is getting compiled error free and but during upload it is terminating with error.2) Also How can I perform the step for port assigning {" sudo chmod a+rw/"} (In video 4:06 min) in my windows desktop PC ???The connection establishment step could not be executed.Kindly Help me to overcome the issues.
04-05M 0-10SJune 20, 2025, 1:30 p.m. pritamchandra14
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Unable to connect to ESP8266 using arduino
We have followed all the steps as per instructed in the tutorial on our PC which uses Windows 7 OS, still we are unable to establish a connection with the WiFi network of the ESP8266 module. The code is getting compiled error free and gets uploaded as well yet the connection establishment step is not executed.
10-11M 10-20SJune 20, 2025, 1:25 p.m. kishanprasad.gunale
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1
Overview of Arduino -
2
Electronic components and connections
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3
Introduction to Arduino
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4
Arduino components and IDE
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5
First Arduino Program
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6
Arduino with Tricolor LED and Push button
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7
Arduino with LCD
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8
Display counter using Arduino
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9
Seven Segment Display
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10
Pulse Width Modulation
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11
Analog to Digital Conversion
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Wireless Connectivity to Arduino
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13
Introduction to IoT
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14
Sending data to the cloud using IoT devices
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15
Assembly of Robot
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16
Robot Control using Bluetooth
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17
Assembly programming through Arduino
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18
Digital Logic Design with Arduino
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19
AVR-GCC programming through Arduino
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20
Interfacing LCD through AVR-GCC programming
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21
Mixing Assembly and C programming
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22
Getting Ready for Arduino FLOSS
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23
Arduino Programming with Scilab and Xcos
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24
Arduino Programming with Python
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25
Arduino Programming with Julia
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26
Arduino Programming with OpenModelica
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27
Arduino on Cloud
Questions posted on ST Forums:
Outline:
About ESP8266-01 WiFi module Various pins of ESP8266-01 WiFi module Circuit connection of ESP8266 - 01 module with Arduino Live setup of the connection Setup the read-write permission to the USB port Download and install ESP8266 WiFi module in Arduino IDE Establish a connection between WiFi module and a laptop or a mobile phone Source code for the above experiment Compile and upload the program Demonstration of the output