The SDI/SDO labels have most commonly appeared on devices that lack the ability to serve as an SPI controller (think sensors or LCD screens). But here’s the problem, when you have three or more ...

Whether you’re trying to understand why an SPI LCD screen doesn’t initialize, what’s up with your I2C bus, or determine the speed of an UART connection, you’ll really want to have a logic ...

based on SPI, targeting wide variety of peripheral slave devices like ADC and DAC converters, sensors like temperature sensors and pressure sensors, or devices like signal-mixer, LCD controller, UART, ...