This library is to use the TCA6408A I2C 8 bit IO expander. This device supports a voltage range of 1.65 .. 5.5 Volt. It allows bidirectional voltage-level translation and gpio expansion between 1.8-V, ...
Assume that you are moving towards a complex microcontroller project bundled with blinkers, beepers, and a display panel. To link a standard 16×2 LCD directly with the microcontroller, for instance ...
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