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By Ataberk Topçu
#59161 i guys, ı have esp12-f wifi module. How do ı use it in at mode. İn internet, I looked usb to ttl with esp12-f connections.But esp's led dont light and dont response at commands . Can you help me?

ttl rx-> esp tx
ttl tx-> esp rx
esp gpıo0 and en -> vcc
esp gpıo15 -> gnd