Since you are replying to my comment, the $11 espressif made dev boards flash perfectly every time. The 7 buck Amazon ones don't. The 2 dollar esp8266s don't, b

Since you are replying to my comment, the $11 espressif made dev boards flash perfectly every time. The 7 buck Amazon ones don't. The 2 dollar esp8266s don't, but that project we only needed one good flash, it was for real live art and we only had one shot.