SparkFun 16 Output I/O Expander Breakout - SX1509 Voice Recognition For each multiplexer

For each multiplexer

Breathalyser

as the user is not required to subtract a large constant voltage from its output to obtain convenient Centigrade scaling

Output Current per Channel : 20 mA

SparkFun 16 Output I/O Expander Breakout - SX1509 Voice Recognition For each multiplexerIntroduction : 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