====== ESP8266 ======

i bought some nice esp8266 version 01 from ali 

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with an CH341 serial uart usb adapter to programm with the arduino ide. u can use this driver or search through google.
{{ :microcontroller:esp8266:ch341ser.zip |}}

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for uploading code, you need to ground gpio0 and gnd to get the esp into program mode. 
i just used some staple pins to connect each other, sure better is a resistor, but the pins where too fat:

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