Hi, my blynk board is no longer able to connect to wifi. We tried uploading some code to the board, and it didn’t work. However, now the light on the blynk board is not working. It cannot even try to connect to a network. Please help!
Hi sparatar,
Sorry to hear you are having trouble with your Blynk Board. Can you please provide some more information regarding what happened when the Blynk board started misbehaving and losing WiFi connectivity? Did it happen when you were attempting to modify the firmware or something similar? Also, what code did you attempt to upload?
If you have gone through the [Blynk Board Arduino Development Guide to set up Arduino to work with your Blynk Board, try re-installing the stock firmware by going to the [GitHub Repository and downloading the contents. From there, unzip that file and point Arduino to the “BlynkBoard_Core_Firmware” folder and open the “BlynkBoard_Core_Firmware.ino” file. All the other necessary files will load in tabs. After that, just select the “Blynk Board” and the Port it is on and upload the firmware. That should restore the Blynk Board to “factory settings” and should fix the issue.](GitHub - sparkfun/Blynk_Board_ESP8266: ESP8266-based, Blynk-compatible, beginner-friendly programmable WiFi development board.)](https://learn.sparkfun.com/tutorials/blynk-board-arduino-development-guide/)
Hi, thank you for your response. The light that represents the boards connectivity seemed to go off as we tried to upload code to send a tweet.
When you upload your own code to this board, it overwrites the Blynk firmware and the board will no longer work with Blynk.
It’s fixable if you follow TS-Mark’s advice above. Once you have the Blynk firmware back on the board it will be just like it was when it was new.
We are going to try the troubleshooting as you suggested again. Thank you!
When trying to follow the directions posted by TS-Mark. We get an error that says “no such file or directory ticker.h”
That just means you do not have that library installed and the firmware needs that to compile and upload. To get around this, you will need to take a few steps. First, install the ESP8266 Arduino core following [these instructions. That will install the ESP8266 Arduino core and including the libraries you will need to compile the Core Firmware. Next, you will need to go back and manually remove the board definitions installed in that package by following [this guide. From there, you should be able to open up the Core Firmware code and upload it to your Blynk Board.
Another option, if you are familiar with installing Arduino libraries, would be to download a .zip of the [ESP8266 Arduino Core, extract the files, and then install the ES8266 Arduino libraries folders either by using the Arduino library installer tool or by manually moving the folders into your Arduino/Libraries folder. If you are not sure how to install an Arduino library, we have a handy guide covering both the automatic and manual options [here.
Once you have the appropriate libraries installed, that compile error should be fixed and you should be able to upload the Core Firmware sketch to your Blynk Board. Let us know if you’re still having problems and we can troubleshoot further.](Installing an Arduino Library - SparkFun Learn)](GitHub - esp8266/Arduino: ESP8266 core for Arduino)](https://cdn.sparkfun.com/assets/learn_tutorials/4/9/5/Blynk-_Community_ESP8266_Boards.pdf)](GitHub - esp8266/Arduino: ESP8266 core for Arduino)
TS-Chris:
When you upload your own code to this board, it overwrites the Blynk firmware and the board will no longer work with Blynk.It’s fixable if you follow TS-Mark’s advice above. Once you have the Blynk firmware back on the board it will be just like it was when it was new.
I uploaded new code on my Blynk board. I want to go back to the original setup to do the IoT basic tutorials for the kit. How can upload the original code that was on my Blynk?
thank you!