SparkFun 16 Output I/O Expander Breakout - SX1509 Voice Recognition Breathalyser

Breathalyser

and power management module

be sure to review the datasheet of this Integration

Text-to-Speech Module is a multi-language voice synthesizer that converts a stream of digital text into natural sounding speech

For each multiplexer

SparkFun 16 Output I/O Expander Breakout - SX1509 Voice Recognition BreathalyserIntroduction : SparkFun 16 Output I O Expander Breakout SX1509 is a 16 channel GPIO expander with an I2C interface that means with just two wires, your microcontroller can interface with 16 fully configurable digital input output pins. SparkFun 16 Output I O Expander Breakout SX1509 can do so much more than just simple digital pin control. It can produce PWM signals, so you can dim LEDs. SparkFun 16 Output I O Expander Breakout SX1509 can also act as