Please, I recently purchased ESP8266. Unfortunately the device driver could not install automatically with my version of window 7. After several attempts, I managed to install the drive from sparkfun. I have installed the esp8266 in my Arduino ide library. The problem now is I am unable to upload a simple code inside the node MCU device. I always get error, "port can't be opened, access denied". If I manage to open serial monitor on code view, I get the following error "port 4 busy" what do I do please? Under my computer device manager, esp8266 is installed as port 4.
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Good video friend..great information... Thank you
Please, I recently purchased ESP8266. Unfortunately the device driver could not install automatically with my version of window 7. After several attempts, I managed to install the drive from sparkfun. I have installed the esp8266 in my Arduino ide library. The problem now is I am unable to upload a simple code inside the node MCU device. I always get error, "port can't be opened, access denied". If I manage to open serial monitor on code view, I get the following error "port 4 busy" what do I do please?
Under my computer device manager, esp8266 is installed as port 4.
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Blynk
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