This had me tearing my hair out for a few weeks, as I tried replacing everything besides the serial adapter, which I had assumed could not possibly be the culprit.Īfter all, USB-to-serial conversion is a solved problem, right? When I first started using the esp8266, I had some serious problems getting esptool.py and esptool-ck working, due to one model of super-flaky, cheap USB serial adapter not working. That is what is keeping your esptool.py or esptool-ck flash download from working. It’s not you, it’s the crappy counterfeit FTDI chip in your USB to serial adapter. max on Provisioning OS X and Disabling Unnecessary Services.Gary Marks on Why Are My Backups So Slow?.FT on Google Spreadsheet Geocoding Macro.max on Google Spreadsheet Geocoding Macro.Shrinkr: Using SCons To Transcode Media.Reusing ssh-agent from Git Bash in Visual Studio Code.