* loopback test on your Lonely Binary ESP32. * Hardware loopback test: * Jumper MOSI (GPIO 23) to MISO (GPIO 19) directly. * The sketch writes a byte and reads it back — should match. * Brought to you ...
While the Raspberry Pi has very good support for an I2C bus, a lot of very cool chips – including the in system programmer for just about every ATtiny and ATmega microcontroller – use an SPI bus.
Pure Python implementation. No C module to compile. Supports half-duplex reads and writes as well as full-duplex transfers. Exposes all available spidev interface options as properties. spidev enabled ...
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