How to use SPI master on ESP-01 module?

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How to use SPI master on ESP-01 module?

By Subhajit Das
- Sat Jun 25, 2016 12:22 pm #49775 I am making and AVR ISP. I made it with ESP-12E module. But it works with GPIO13,12,14 which can't be accessed on ESP-01. So how can I? Can I change pin mapping?
Using AVR ISP example in arduino environment.
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