ESP8266 Developer ZoneThe Official ESP8266 Forum2014-11-17T23:21:31+08:00https://bbs.espressif.com:443/feed.php?f=61&t=462014-11-17T23:21:31+08:002014-11-17T23:21:31+08:00https://bbs.espressif.com:443/viewtopic.php?t=46&p=170#p170 The following method is sometimes very useful:
"That is to swap uart tx and rx pin to MTDO and MTCK ,via the code below."