Use this forum to chat about hardware specific topics for the ESP8266 (peripherals, memory, clocks, JTAG, programming)

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By perigalacticon
#71991 I have some ESP-01 boards that I programmed previously with the Arduino IDE. They have become unresponsive and I would like to reflash the firmware as an attempt to fix them. I have seen guides online for how to do this. I am confused about which firmware I need to flash to resume programming them using the Arduino IDE?