ESP8266 Developer ZoneThe Official ESP8266 Forum2015-04-03T20:55:40+08:00https://bbs.espressif.com:443/feed.php?f=7&t=3182015-04-03T20:55:40+08:002015-04-03T20:55:40+08:00https://bbs.espressif.com:443/viewtopic.php?t=318&p=1225#p1225Try: 1. adding 10uF capacitor across vcc and ground at module 2. different 3.3vdc power supply