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By yoman91
#74987 Hi! I wanted to program the LED blinking example to the ESP8266 with Arduino, using a programmer adapter (This is the configuration what i'm using: Image. I pulled GPIO1 to gnd, and i managed to flash the example project. But however, it seems that the chip is not responding, actually nothing happens. I uploaded many other examples, but nothing happens. Of course I removed the pull-down from GPIO1. I flashed back the original firmware (with the help of this link: https://medium.com/jungletronics/flashing-the-official-espressif-firmware-in-esp8266-arduserie-17-2234fc088076 but neither the AT commands working. Has anyubody faced this kind of issue?