Error on Uploading Program to ESP8266 via Foca v2.2 (USB to TTL Adapter) -


background

to test capability of uploading program esp8266, use empty program blank setup function , blank loop function. result showed me there espcomm_sync error , espcomm_open error. idea solve problem?

hardware

foca v2.2 esp8266

pin connection

  foca v2.2 <-> esp8266         txd <-> rxd         rxd <-> txd         dtr <-> rst  arduino uno <-> esp8266         gnd <-> gnd        3.3v <-> vcc

pin diagrams

foca v2.2
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esp8266
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on linux ubuntu 15.04

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on windows 10

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reference

bring iot arduino, [getting started] - http://www.arduinesp.com/getting-started


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