ESP8266 Community Forum

- Sun Jan 21, 2018 4:22 am #73351 I know nothing, but wonder if your espboard issues USB control instructions to draw appropriate current level from your PC port?

If not, or your PC limits USB current significantly, you may well have issues....

- Sun Jan 21, 2018 7:06 am #73353 Or you could be using a crappy USB cable. Try a 2A USB charger with a short fat lead.

- Sun Jan 21, 2018 7:55 am #73355 My advice in these situations is to always start with a we mos or nodemcu board for development, and afterwards move to standalone chip if desired. Like this you can separate any hardware issues and firmware.

- Sat Jan 27, 2018 8:35 pm #73526 Power supply from PC usb was the problem. Once i added an external power source to my nodemcu all the problems went away