ESP-01 8Mbit as a Pico SHIM

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navas
seems like latest esp-01 no longer comes with AT 0.25 / 0.50.

If any stuck then please use the attached firmware and re-flash your esp-01.

use the following commands

Change the port if you have different. Oh, also it is for 1MB flash.
```
esptool.py -p /dev/tty.SLAB_USBtoUART -b 115200 write_flash 0x00000 eagle.flash.bin 0x10000 eagle.irom0text.bin 0x7E000 blank.bin 0xFE000 blank.bin 0xFC000 esp_init_data_default.bin
```
1 Attachment
- AT_v0.50_on_esp_iot_sdk_v1.4.0_150918.zip

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