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ESP8266: Flash images at more than 115200 bps
If esptool is limited to 115200 bps when flashing your firmware to an ESP8266, you can try to increase the bitrate by following the steps below.… Read the rest.
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ESP8266: Always call `uart_init` before `gpio_init`
I don’t remember if this information is in the documentation, but having spent a few hours to figure things out, I think it is important to record it here.… Read the rest.
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ESP8266 ESP-01(S) requires CH_PD set to HIGH
On the ESP8266 ESP-01, CH_PD must be pulled HIGH at boot for the chip to work. A 10K resistor can be used for the pull-up.… Read the rest.