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

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By Maddog
#83053 Hi,

Is it possible to setup esp8266 spi in slave mode just to receive data? (No command or address)

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By eriksl
#83860 Yes, but afaik not using the hardware SPI interface.

It can be done quite easily in software (bit-bang interface) though, like the I2C interface.