Thank you for the help and patience. I had a look on the net and found a sketch that simply connects to wifi and returns the IP address of the ESP8266. I ran it but serial monitor remained blank. What was strange was that a slowly increasing number appeared on the serial monitor. I had a look at the...

I have one of the red ones. I followed the instructions - switched to 'prog" mode and uploaded.....at one point the blue led flashed and then "hard resetting via RTS" and then.....nothing. I tried unplug/replug usb, same but switching to UART....nothing. In this application it is a relay switched us...

Hi.....I am a newbie and I have the same problem. I understand this not an error but a status message. The module is an ESP 8266 ESP 01S and I am using a USB-UART - the type with a switch for USB/UART mode. I tried unplugging usb and re-plugging, same but flicking switch, loading a different program...